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Journal articles on the topic "BLOC1S6"
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Louzil, Jan, Jana Stikarova, Dana Provaznikova, Ingrid Hrachovinova, Tereza Fenclova, Jan Musil, Martin Radek, et al. "Diagnosing Czech Patients with Inherited Platelet Disorders." International Journal of Molecular Sciences 23, no. 22 (November 19, 2022): 14386. http://dx.doi.org/10.3390/ijms232214386.
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A single-center study was conducted on 120 patients with inherited disorders of primary hemostasis followed at our hematological center. These patients presented a variety of bleeding symptoms; however, they had no definitive diagnosis. Establishing a diagnosis has consequences for the investigation of probands in families and for treatment management; therefore, we aimed to improve the diagnosis rate in these patients by implementing advanced diagnostic methods. According to the accepted international guidelines at the time of study, we investigated platelet morphology, platelet function assay, light-transmission aggregometry, and flow cytometry. Using only these methods, we were unable to make a definitive diagnosis for most of our patients. However, next-generation sequencing (NGS), which was applied in 31 patients, allowed us to establish definitive diagnoses in six cases (variants in ANKRD26, ITGA2B, and F8) and helped us to identify suspected variants (NBEAL2, F2, BLOC1S6, AP3D1, GP1BB, ANO6, CD36, and ITGB3) and new suspected variants (GFI1B, FGA, GP1BA, and ITGA2B) in 11 patients. The role of NGS in patients with suspicious bleeding symptoms is growing and it changes the diagnostic algorithm. The greatest disadvantage of NGS, aside from the cost, is the occurrence of gene variants of uncertain significance.
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Rivera, Candido E., Prakash Vishnu, Gretchen Schaef Johns, Rajiv K. Pruthi, and Dong Chen. "Identification of a Novel Heterozygous Mutation (c.2213T>G;p.Leu738Arg) in Platelet Glycoprotein ITGB3 gene in a Patient with Glanzmann's Thrombasthenia." Blood 132, Supplement 1 (November 29, 2018): 1158. http://dx.doi.org/10.1182/blood-2018-99-117995.
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Abstract BACKGROUND: Glanzmann's thrombasthenia (GT) is an inherited platelet disorder (IPD) that leads to clinically significant bleeding. Platelets from patients with GT can show qualitative or quantitative defects of platelet membrane glycoprotein (GP) IIb/IIIa complex. Most GT are caused by autosomal recessive genetic defects in ITGA2B and ITGB3 (genes for GPIIb and GPIIIa, respectively) with rare cases showing an autosomal dominant pattern. Accurate diagnosis of GT requires a constellation of both phenotypic and genetic studies. Here we report a unique case of autosomal dominant GT resulted from thorough phenotypic and genetic studies. PATIENTS AND METHODS: A 19 year-old woman was recently evaluated for life-long history of easy bruising and severe menorrhagia that was only partially responsive to medroxyprogesterone. She has severe thrombocytopenia first recognized shortly after birth with a platelet count around 20x109/L. Platelet size was normal. She was presumed to have immune-mediated thrombocytopenia (ITP) since early infancy, but lacking responsiveness to the conventional treatments of ITP including immunomodulation, splenectomy and thrombopoietin receptor agonists. Family history was negative for a bleeding diathesis. Both von Willebrand factor antigen and activity were within normal range. Bone marrow aspirate and biopsy with associated chromosome studies were all normal. Platelet surface glycoprotein assessment by flow cytometry using antibodies to GP IIb, IIIa, Ia, Ib-a, VI, IX, and whole exome sequencing (WES) utilizing a predefined list of 53 clinically significant genes* related to genetically IPDs were performed. Due to thrombocytopenia platelet aggregation studies could not be performed. METHODS/RESULTS: Platelet surface expression of GPIIb (CD41) and GPIIIa (CD61) were markedly decreased suggestive of a variant of GT (Figure). WES performed with Illumina HiSeq 2500 sequencing system by using Agilent SureSelelct CRE kit V1 to capture and target the exonic regions showed presence of a heterozygous mutation in ITGB3 gene (c2213T>G; p.Leu738Arg). By in silico prediction modeling, this mutation is likely to be pathogenic and results in the substitution of hydrophobic leucine with hydrophilic arginine in the transmembrane domain of the β3 subunit of alpha IIb/beta 3 integrin (αIIbβ3), the platelet receptor that binds to fibrinogen. Interestingly, GPVI is also decreased which may be associated with GPIIb and GPIIIa deficiency or due to accelerated shedding since no GPVI mutation was identified. CONCLUSION: We describe a patient with GT associated with a novel heterozygous autosomal dominant mutation in ITGB3 gene with substitution of leucine with arginine (c2213T>G; p.Leu738Arg). This deletion caused a low expression of αIIbβ3 integrin on her platelets surface and severe thrombocytopenia. This case underscores the importance of an integrated phenotyping and genotyping approach to render a definitive diagnosis of an IPD. *Platelet exome gene list: ABCG5, ABCG8, ACBD5, ACTN1, ANKRD26, ANO6, AP3B1, BLOC1S3, BLOC1S6, CYCS, DTNBP1, ETV6, FLI1, FLNA, GATA1, GFI1B, GP1BA, GP1BB, GP6, GP9, HOXA11, HPS1, HPS3, HPS4, HPS5, HPS6, ITGA2B, ITGB3, LYST, MASTL, MPL, MYH9, NBEAL2, ORAI1, PSRX1, P2RY12, PLA2G4A, PRKACG, RASGRP2, RBM8A, RUNX1, STIM1, STX11, STXBP2, TBXA2R, TBXAS1, THPO, TUBB1, UNC13D, VIPAS39, VPS33B, VPS45, WAS Figure Figure. Disclosures No relevant conflicts of interest to declare.
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Bastida, Jose Maria, Mónica del Rey, Rocío Benito, Isabel Sanchez-Guiu, Susana Riesco, Maria Jesús Peñarrubia, Rosa Fisac, et al. "Design and Validate of Next-Generation Sequencing Panel for Inherited Platelet Disorders." Blood 124, no. 21 (December 6, 2014): 4210. http://dx.doi.org/10.1182/blood.v124.21.4210.4210.
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Abstract Introduction The inherited platelet disorders (IPD) are a heterogeneous group of rare diseases including quantitative and/or qualitative platelet defects. Classically, patients with IPD are first functionally tested to know the possible defect before sequencing a single or a few genes. Phenotipyc diagnostic of IPD often requires light transmission aggregometry, quantitative analysis of receptors by flow cytometry and fluorescence and electron microscopy. This diagnostic strategy is complex, poorly standardised and time consuming. In addition, the phenotype can seldom guide the singles candidates genes for conventional Sanger squencing. Therefore, many patients remain without a accurate diagnosis of their IPD. Next generation sequencing (NGS) enables the simultaneous analysis of large groups of candidate genes in IPD and may be useful for rapid genetic diagnosis. The aim of this study was to design and validate a NGS panel for IPD. Patients & Methods We describe a strategy for rapid genetic diagnosis of IPD with Illumina sequencing of 60 candidates genes previously associated with IPD (table1). The baits were designed to tile 400 kb of gDNA sequence corresponding to the exons and splice sites in all known transcripts of the candidate genes identified. The bait library was tested by enriching the candidate IPD genes from 50 ng DNA obtained and sequencing by Nextera Rapid Custom Enrichment system. Results were analysed by Variant Studio system and Sequencing Analysis Viewer. A total of 21 patients were studied. For the validation process, DNA samples of 9 unrelated patients with IPD and their mutation known were used: two patients with Glanzmann Thrombasthenia (ITGA2B, p.Ala989Thr, p.Val982Met and p.Glu538Stop; ITGB3, p.Leu222Pro and p.Tyr216Cys), one Hermansky-Pudlak Sd. (HPS1, p.Glu204 Stop), another with Bernard-Soulier Sd. (GPIX, p.Phe71Stop), a case of Congenital Amegakaryocytic Thrombocytopenia (MPL, p.Arg102Cys), and 2 patients with Chediak Higashi Sd. (LYST, p.Gly3725Arg and p.Cys258Arg). Once validated, the NGS panel was used for genetic diagnostic of 8 patients with suspected IPD. Results Eleven mutations, previously identified in another center by conventional sequencing, were detected by our panel NGS (100% success in the validation process). We then tested this strategy for patients with suspected of IPD without diagnosis: I. a 13 years old girl with agenesis of the corpus callosum, facial dysmorphia, renal agenesis and thrombocytopenia was diagnosed of Thrombocytopenia FLNA-related and Periventricular Nodular Heterotopia (PNHV)[mutation in the FLNA was detected (p.Thr1232Ile)]. II. A two years old patient with severe thrombocytopenia and recurrent infections was diagnosed of Wiskott-Aldrich Sd (WAS, p.Arg268Gly fs Stop40). III. A patient with deafness, macrothrombocytopenia, and Döhle bodies was diagnosed by MYH9 deletion (MYH9; p.Asp1925Thr fs Stop23). IV. Six members of a family (2 of them with symptoms of mucocutaneous bleeding, and macrothrombocytopenia), in which an insertion in NBAL2 (p.Gly1142Arg fs Stop49) gene was found. Therefore, Gray Platelet Sd was diagnosed. Moreover, one patient with aspirin-like syndrome showed a P2RY12 mutation (p.Val279Met). Finally, mother and son with mild Hemophilia A (F8; p.Gln2208Arg) were detected. Conclusions This NGS panel enables a rapid genetic diagnostic of IPD. The use of NGS-based strategy is a feasible tool for the diagnosis of IPD that could be added to the screening of these disorders. Five mutations have not previously been described in the literature. Table 1: Sixty candidates' genes previously associated with IPD: Inherited Platelet Disorders Genes = 60 Cytoskeletal Assembly and Structural Proteins GP1BA, GP1BB, GP5, A2M, GP9, VWF, ITGA2, ITGA2B, ITGB3, ABCA1, ANO6,FERMT3, ACTN1, MASTL Disorders of agonist platelet receptors P2RX1, P2RY1, P2RY12, TBXA2R, TBXAS1, ADRA2A, GP6, CD36 o GP4, DTNBP1 Disorders signal transduction GNAI3, GNAQ, GNAS, PLA2G7, PLCB2PTS, GGCX, DPAGT1, DHCR24 Disorders of platelet granules NBEAL2, GFI1B, PLAU, HPS1, HPS3, HPS4, HPS5, HPS6, LYST, MLPH, BLOC1S3, BLOC1S6, AP3B1, VIPAS39, VPS33B, RAB27A, MYO5A, USF1 Thrombocytopenias and syndromes WAS, MYH9, FLNA, FLI1, STIM1, HOXA11, ANKRD26, MPL, RBM8A RUNX1, GATA1 Disclosures No relevant conflicts of interest to declare.
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Lopes, Emerson Delano, Cláudio Lúcio Fernandes Amaral, and Adalberto Brito Novaes. "DESEMPENHO NO CAMPO DE MUDAS DE Eucalyptus urophylla, Eucalyptus camaldulensis E Corymbia citriodora PRODUZIDAS EM DIFERENTES RECIPIENTES." FLORESTA 44, no. 4 (December 31, 2014): 589. http://dx.doi.org/10.5380/rf.v44i4.26480.
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Avaliou-se a produção de mudas de Eucalyptus urophylla, E. camaldulensis e Corymbia citriodora em blocos prensados e em dois modelos de tubetes por meio da avaliação da sobrevivência e do crescimento inicial das mudas. A sobrevivência foi avaliada aos sessenta dias e o crescimento inicial em altura e diâmetro ao nível do solo ao décimo mês pós-plantio. Foi utilizado o delineamento em blocos casualizados com cinco repetições. Mudas de E. urophylla e E. camaldulensis produzidas nos blocos e nos dois modelos de tubetes e mudas de C. citriodora produzidas nos dois modelos de tubetes obtiveram altas taxas de sobrevivência. Já as mudas de C. citriodora produzidas nos blocos apresentaram a menor média de sobrevivência no estudo. As médias de crescimento inicial das mudas de E. urophylla produzidas nos blocos e tubetes de 50 cm3 foram superiores às encontradas para mudas produzidas em tubetes de 35 cm3. Para E. camaldulensis e C. citriodora, as médias de crescimento inicial foram semelhantes nos três recipientes. Recomenda-se a produção de mudas de E. urophylla em tubetes de 50 cm3 ou em blocos prensados. As mudas de E. camaldulensis podem ser produzidas nos três recipientes, e C. citriodora nos tubetes de 50 e 35 cm3.Palavras-chave: Qualidade de mudas; desempenho pós-plantio. AbstractPerformance in the field of Eucalyptus urophylla, Eucalyptus camaldulensis and Corymbia citriodora produced in different containers. We evaluated the production of Eucalyptus urophylla, E. camaldulensis and Corymbia citriodora in pressed blocks and two tubes models by the evaluation of survival and early growth of seedlings. We assessed survival at sixty days and initial growth in height and diameter at ground level to the tenth month after planting. We used a randomized block design with five replications. Seedlings of E. urophylla and E. camaldulensis produced in blocks, and in two tube models, and seedlings of C. citriodora produced in two tube models had high survival rates. On the other hand, seedlings of C. citriodora produced in blocks presented the lowest survival mean. The initial seedling growth mean of E. urophylla produced in blocks and tubes of 50 cm3 were higher than for seedlings grown in tubes of 35 cm3. In relation to E. camaldulensis and C. citriodora the average initial growth were similar in the three containers. Production of seedlings of E. urophylla is recommended in tubes of 50 cm3 or in compressed blocks, E. camaldulensis seedlings can be produced in three containers, and C. citriodora in tubes of 50 and 35 cm3.Keywords: Seedling quality; post-planting performance.
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De Araújo, Gabriel Rios, Maria Carolina Ricciardi Sbizera, Marcela Lucas De Lima, José Victor Pronievicz Barreto, Michele Monteiro Sudak, Manuela Venturelli Finco, Diego Fagner Michelassi de Souza, Daiene Locoman, Dienifer Kely De Oliveira Ribeiro, and Luiz Fernando Coelho Da Cunha Filho. "Avaliação da Palatabilidade e da Resistência de Diferentes Rodenticidas Disponíveis para Uso por Empresas Especializadas, em Aviários no Município de Rolândia, Paraná." UNICIÊNCIAS 21, no. 1 (August 24, 2017): 2. http://dx.doi.org/10.17921/1415-5141.2017v21n1p2-6.
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A presença de roedores em estabelecimentos gera importantes prejuízos financeiros, além de representar risco à saúde animal e humana, fazendo-se necessário o seu controle. O trabalho teve como objetivo testar produtos rodenticidas disponíveis para o uso profissional quanto à aceitação pelos roedores e a sua resistência às ações ambientais. Foram utilizados três rodenticidas anticoagulantes de dose única; Brodifacum Bloco Parafinado (Syngenta®); Difetialona Bloco Extrusado (Bayer®); e Bromadiolone Bloco Extrusado (De Sangosse®). Os rodenticidas foram acondicionados em porta-iscas distribuídos em quatro aviários de uma granja produtora de aves de corte, no município de Rolândia, PR. Semanalmente, foi anotada a quantidade consumida e a deterioração dos rodenticidas. Os resultados obtidos nas quatro semanas mostram que na situação testada, o Brodifacum representa 68,3% do total de blocos consumidos, o Difetialona 26,7% e o Bromadiolone 5%. Em relação à resistência às ações ambientais, o Bromadiolone teve 19 blocos afetados (23,2%), o Difetialona 30 blocos (36,6%) e o Brodifacum 33 blocos (40,2%), tanto o consumo quanto a resistência entre os blocos não foram significativas estatisticamente. Os dados evidenciam que a escolha do rodenticida tem influência direta na eficiência, devendo ser um quesito valorizado no planejamento das ações de controle de roedores.Palavras-chave: Controle de Roedores. Rodenticida. Aceitação de Rodenticida.AbstractThe presence of rodents in establishments generates significant financial losses, as well as it poses a risk to animals and human’s health, making its control necessary. The study aimed to test rodenticides products available for professional use regarding the rodents’ acceptance and their resistance to environmental actions. Three single dose anticoagulant rodenticides wereused; Brodifacum Block waxed (Syngenta™); Difethialone Block Extruded (Bayer™); and Bromadiolone Block Extruded (De Sangosse™). Rodenticides were placed in bait holders distributed in four aviaries producing broilers in Rolândia city, PR. Thee amount consumed and the deterioration of rodenticides were weekly noted. The results obtained in four weeks show that in the tested situation, Brodifacum represents 68.3% of total consumed blocks, Difethialone 26,7% and Bromadiolone 5%. For resistance to environmental actions, Bromadiolone had 19 blocks affected (23.2%), Difetialona 30 blocks (36.6%) and Brodifacum 33 blocks (40.2%), both consumption and the resistance amongthe blocks were not statistically significant. The data show that the choice of rodenticide directly influences the efficiency and should be a question valued in the planning of rodent control measures.Keywords: Rodent control. Rodenticide. Rodenticides Acceptance.
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Mulyo, Jangkung Handoyo. "REGIONAL TRAE BLOCS : A CASE STUDY OF THE WELFARE IMPACT OF THE EUROPEAN UNION ON INDIA AND KENYA." Agro Ekonomi 8, no. 2 (November 29, 2016): 17. http://dx.doi.org/10.22146/agroekonomi.16812.
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Some countries, including the big player in the world economy, the USA , believe that free trade liberalization based on principles of non discriminatory and multilateral bases as well as an open market will improve the welfare of many countries. However, other countries do not follow the idea of trade liberalization and hence respond by forming regional trading blocs. Therefore, the existence of such trading blocs will be examined, whether they are a 'building blocks' or a 'stumbling blocks, for sustaining the free trade liberalization. And hence, this paper focuses on three main parts: rationalization of the establishment of trading blocs; identification of the critical factors for the success of these blocs; and presentation of empirical evidence for the welfare implications of the trade diverting effects of the European Union through the analysis of two less developed countries, India and Kenya.
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Férence Matumuini, N. E., V. Arseine Mboko, T. Gilbert Zougou, Fernand Tendonkeng, I. Abdourhamane Toure, Jules Lemoufouet, Emile Miegoue, Mustapha Malem, Benoît Boukila, and Etienne Pamo. "Caractéristiques physiques et ingestion des blocs multinutritionnels (BMN) à base des feuilles d’Albizia lebbeck associés à la paille de Hyparrhenia diplandra chez la brebis Djallonké au sud-est du Gabon." International Journal of Biological and Chemical Sciences 14, no. 1 (April 3, 2020): 143–53. http://dx.doi.org/10.4314/ijbcs.v14i1.12.
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En saison sèche, les compléments alimentaires offerts aux petits ruminants contiennent généralement du son de blé ou du maïs, qui ne sont pas toujours disponibles. Or, les feuilles d’Albizia lebbeck, légumineuse couramment rencontrée dans la région de Franceville, pourrait constituer une alternative à l’utilisation des céréales dans des rations pour ruminants. C’est ainsi que, les caractéristiques physiques et l’ingestion des blocs multinutritionnels (BMN) à base des feuilles d’Albizia lebbeck associées à la paille d’Hyparrhenia diplandra chez la brebis Djallonké, ont été étudiés à Franceville au Gabon en 2017. Trois formules de blocs multinutritionnels à savoir BMN0 (bloc à base de son de blé), BMN50 (son de blé substitué à 50% par les feuilles d’Albizia lebbeck) et BMN100 (son de blé substitué à 100% par les feuilles d’Albizia lebbeck), ont été utilisées. Les caractéristiques physiques des blocs (cohésion, dureté et couleur) ont été évaluées après séchage pendant 21 jours. Un dispositif en carré latin (3x3) a permis d’évaluer l’appétibilité et l’ingestion des blocs multinutritionnels associés à la paille d’Hyparrhenia diplandra chez les brebis Djallonké en saison sèche. Les résultats ont montré que la cohésion s’est dégradée avec le niveau croissant d’inclusion des feuilles d’Albizia lebbeck ; tandis que la dureté était moyenne pour le BMN50 et le BMN100. Les ingestions des BMN étaient de 133,72±27,35 ; 200,90±61,46 et 235,96±106,48 gMS/j/animal, correspondant à des niveaux d’appétibilité de 24,8±2,70 34,17±4,45 et 46,89±8,16%, respectivement pour les blocs BMN0, BMN50 et BMN100. Cette étude a révélé aussi que, la consommation des blocs avec inclusion des feuilles d’Albizia lebbeck a augmenté significativement l’ingestion de la paille d’Hyparrhenia diplandra. Aussi, cette légumineuse pourrait constituer une alternative à l’utilisation du son de blé dans les blocs à nutriments multiples en saison sèche.
© 2020 International Formulae Group. All rights reserved.
Mots clés: Alimentation, appétibilité, Franceville, légumineuses, petits ruminants
English Title: Physical characteristics and intake of multinutrient blocks (BMN) based on Albizia lebbeck leaves associated with Hyparrhenia diplandra’s straw in Djallonké ewes in southeastern of Gabon
English Abstract
In the dry season, feed supplements for small ruminants usually contain wheat bran or corn, which are not always available. However, the leaves of Albizia lebbeck, legume commonly found in the region of Franceville, could be an alternative to the use of cereals in ruminant rations. Thus, the physical characteristics and intake of Albizia lebbeck leaves based multinutrient blocks (BMN) as supplement to Hyparrhenia diplandra’s straw in Djallonké ewes, were studied at Franceville in 2017. Three types of multinutrient blocks namely BMN0 (block of wheat bran without Albizia lebbeck leaves), BMN50 (wheat bran substituted 50% by Albizia lebbeck leaves) and BMN100 (wheat bran substituted 100% by Albizia lebbeck leaves), were used for this study. The physical characteristics (cohesion, hardness and color) of blocks were evaluated after drying in the shade during 21 days in a well-ventilated area. A Latin square arrangement (3x3) was used to assess the palatability and intake of multinutrient blocks associated with Hyparrhenia diplandra straw for Djallonké ewes at dry season. The results showed that the blocks cohesions of blocks degraded with the increasing level of inclusion of Albizia lebbeck leaves; while hardness was medium for BMN50 and BMN100. Intake of BMN was 133.72 ± 27.35; 200.90 ± 61.46 and 235.96 ± 106.48 gDM/d/animal, corresponding to a palatability of 24.8±2.70, 34.17±4.45 and 46.89±8.16%, respectively for BMN0, BMN50 and BMN100. This study also revealed that consumption of blocks with inclusion of Albizia lebbeck leaves significantly increased Hyparrhenia diplandra’s straw intake. Also, this legume could be an alternative to using wheat bran in multinutrient blocks at dry season.
© 2020 International Formulae Group. All rights reserved.
Keywords: Feeding, Franceville, legumes, palatability, small ruminants
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Raut, Sandesh S., and Abhijit Warudkar. "Pervious Concrete Paver Blocks." Journal of Advances and Scholarly Researches in Allied Education 15, no. 2 (April 1, 2018): 506–8. http://dx.doi.org/10.29070/15/56878.
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Andraus, Michel De Paula, Aline Assis Cardoso, Eva De Melo Ferreira, and Eliana Paula Fernandes Brasil. "PRODUÇÃO DE MUDAS FLORESTAIS INOCULADAS COM RIZÓBIOS E FUNGOS MICORRÍZICOS EM BLOCOS DE RESÍDUOS AGROINDUSTRIAIS." Nativa 8, no. 2 (April 10, 2020): 269. http://dx.doi.org/10.31413/nativa.v8i2.7843.
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O objetivo deste trabalho foi avaliar os aspectos fitotécnicos de mudas florestais cultivadas em blocos prensados com resíduos agroindustriais e o efeito da inoculação microbiológica sobre as mudas. Confeccionou-se quatro compostos com diferentes proporções de bagaço de cana, torta de filtro, fibra de coco e resíduos aviários. Nos blocos prensados do substrato selecionado foram plantadas sementes de Sesbania virgata, Eucalyptus grandi e Acacia mangium. As sementes de Sesbania virgata e Acacia mangium foram inoculadas com rizóbios e fungos micorrízicos específicos, as de Eucalyptus grandi foram inoculadas apenas com os fungos. Aos 70 dias após a semeadura, foram avaliados parâmetros de colonização micorrízica, nodulação, fitotécnicos e nutrição. O delineamento utilizado foi o de blocos completos casualizados em esquema fatorial 4 x 2. Os dados foram submetidos à análise de variância e teste de comparação de médias. Verificou-se que o sistema de produção de mudas em blocos prensados, confeccionados com resíduos agroindustriais, proporciona melhor desenvolvimento das mudas de Sesbania virgata em relação ao tubete convencional, porém não teve efeito no desenvolvimento de mudas de Acacia mangium em relação ao tubete convencional. A inoculação com rizóbio, isoladamente ou associada com fungos micorrízicos arbusculares na fase de produção de mudas, auxiliou no desenvolvimento da espécie Acacia mangium. A produção de Eucalyptus grandis em blocos prensados de resíduos agroindustriais não proporcionou vantagens sobre o desenvolvimento das mudas em tubetes.Palavras-chave: aproveitamento de resíduos; microrganismos benéficos; produção sustentável. PRODUCTION OF INOCULATED FOREST SHAPES WITH RHIZOBIUM AND MYCORRYZIC FUNGI IN AGRICULTURAL WASTE BLOCKS ABSTRACT: The objective of this work was to evaluate the phytotechnical aspects of plant seedlings in blocks pressed with agroindustrial residues and the effect of the microbiological inoculation on the seedlings. Four doses with different ratios of sugarcane bagasse, filter cake, coconut fiber and avian residues were made. In the pressed blocks of the selected substrate were planted seeds of Sesbania virgata, Eucalyptus grandi and Acacia Mangium. The seeds of Sesbania virgata and Acacia mangium were inoculated with rhizobia and specific mycorrhizal fungi. At 70 days after sowing, mycorrhizal colonization, nodulation, phytotechnical and nutrition parameters were evaluated. The design used was a randomized complete block in a 4 x 2 factorial scheme. It was verified that the system of production of seedlings in pressed blocks, made with agroindustrial residues provides better development of the seedlings of Sesbania virgata in relation to the conventional tube, but did not have effect in the development of seedlings of Acacia mangium in relation to the conventional tube. Inoculation with rhizobia alone or associated with arbuscular mycorrhizal fungi in the seedling production phase assisted the development of the Acacia mangium species. The production of Eucalyptus grandis in pressed blocks of agroindustrial residues did not provide advantages for the development of seedlings in tubes.Keywords: waste use; beneficial microorganisms; sustainable production.
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Barros, Enicléia Nunes de Sousa, and Saymon Martin Boaventura. "ESTUDO EXPERIMENTAL DO DESEMPENHO DE PAVIMENTOS PERMEÁVEIS COMO ALTERNATIVA DE REDUÇÃO DO ESCOAMENTO SUPERFICIAL EM ÁREAS URBANAS." REEC - Revista Eletrônica de Engenharia Civil 15, no. 2 (June 5, 2020): 300–313. http://dx.doi.org/10.5216/reec.v15i2.61831.
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RESUMO: O processo de urbanização das cidades sem o adequado planejamento de uso do solo provoca uma crescente impermeabilização deste, levando a constantes cheias nos centros urbanos. Entende-se que os sistemas tradicionais de drenagem resolvem apenas parte do problema, pois não agem nas causas mas somente nos efeitos. Nesse sentido o presente trabalho tem como objetivo avaliar o desempenho do pavimento permeável em relação à capacidade de infiltração das águas pluviais, visando à redução do escoamento superficial em áreas urbanas; para isso foi realizada a simulação chuvas para obter o escoamento por meio da equação de precipitação de Palmas-TO, onde foi possível aferir parâmetros de infiltração e escoamento; também foram produzidos e ensaiados blocos em concreto poroso para avaliar sua capacidade de infiltração. Na simulação efetuada sobre o pavimento permeável em blocos intertravados observou-se que ocorreu uma absorção da precipitação nos 9 minutos iniciais; já na simulação realizada sobre os blocos vazados percebeu-se que neste praticamente não ocorreu escoamento superficial. Os blocos em concreto poroso demonstraram uma ótima capacidade de infiltração, conseguindo comportar em seu interior 7,2 litros, o que significa uma infiltração instantânea de 7,2mm de chuva.
ABSTRACT: The process of urbanization of cities without the adequate planning of land use causes a growing waterproofing of this, leading to constant floods in urban centers. It is understood that traditional drainage systems solve only part of the problem, as they do not act on causes but only on the effects. In this sense, the present work aims to evaluate the performance of the permeable pavement in relation to the infiltration capacity of rainwater, aiming at reducing surface runoff in urban areas; for this, the simulation was performed rains to obtain the flow through the Palmas-TO precipitation equation, where it was possible to measure infiltration and flow parameters; blocks were also produced and tested in porous concrete to assess their ability to infiltrate. In the simulation carried out on the permeable pavement in interlocked blocks it was observed that precipitation was absorbed in the initial 9 minutes; already in the simulation carried out on the leaked blocks it was noticed that in this practically no surface runoff occurred. The porous concrete blocks demonstrated an excellent infiltration capacity, managing to accommodate 7.2 liters inside, which means an instant infiltration of 7.2mm of rain.
Dissertations / Theses on the topic "BLOC1S6"
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Prandini, Alberto. "Identificazione e caratterizzazione di una nuova sindrome da immunodeficienza primaria associata ad albinismo oculocutaneo." Doctoral thesis, Università degli studi di Trieste, 1985. http://hdl.handle.net/10077/8569.
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2011/2012La sindrome di Hermansky-Pudlak definisce un gruppo di immunodeficienze primarie rare caratterizzate da albinismo parziale, di tipo autosomico recessivo che si presentano con un quadro di infezioni ricorrenti e predisposizione ad emorragie. I geni causativi di queste patologie codificano proteine coinvolte nella biogenesi e nel trasporto di organelli intracellulari correlati a endosomi e lisosomi. Il caso giunto alla nostra attenzione presentava solo alcuni dei sintomi caratteristici di queste immunodeficienze. Escluse le malattie genetiche più note tramite sequenziamento diretto si è ricorso ad exome sequencing in modo da poter rilevare anche nuove variazioni non note. E' stata infatti riscontrata una mutazione in omozigosi sul gene PLDN (BLOC1S6), codificante una proteina chiamata Pallidina, una componente del complesso BLOC-1. La condizione risultante è stata identificata con il nome di “sindrome di Hermansky-Pudlak di tipo 9” (HPS-9). In questo studio dimostriamo che tale mutazione è associata alla patologia e che compromette la funzionalità del reparto immunitario sia citotossico (linfociti Natual Killer e CD8+) sia presentante l'antigene (cellule dendritiche).
XXV Ciclo
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Cesar, Antonio Carlos Giocondo. "Desenvolvimento de blocos confeccionados com escória proveniente da reciclagem do aço." Universidade de São Paulo, 2008. http://www.teses.usp.br/teses/disponiveis/18/18141/tde-13032009-084743/.
Full textAbstract:
Esta pesquisa tem como objetivo utilizar a escória de aciaria na produção de blocos intertravados para execução de alvenaria. A escória de aciaria é o resíduo de maior volume gerado durante o processo siderúrgico, na produção do aço, sua utilização consiste basicamente na produção de cimento e como base e sub-base para pavimentação de estrada de rodagem e pavimentação de vias públicas, com extensas pesquisas e publicações abordando os temas. Porém esta pesquisa de utilizar a escoria de aciaria para produzir blocos intertravados é inédita, por este motivo os métodos e parâmetros utilizados, foram adaptados e comparados a outros materiais já normatizados e utilizados na execução de alvenaria. A primeira etapa da pesquisa foi definir a granulometria ideal da escória a ser utilizada como agregado, o próximo passo foi definir a composição da mistura; como a escória demonstrou ser um material hidrofugante, foi necessário a incorporação de outros elementos para reter água e dar plasticidade ao composto, que foi moldado em prensa hidráulica definindo o formato do bloco e seu processo de industrialização. O bloco de escoria foi submetido a vários ensaios e seus resultados demonstraram que a utilização deste material como elemento de alvenaria e vedação, é tecnicamente bastante satisfatório. A escoria por ser um subproduto do aço, é uma matéria prima abundante e de baixo custo, tornando o bloco de escoria economicamente viável e competitivo no mercado, podendo ser empregado em diversas áreas da construção civil, contribuindo para o desenvolvimento de um modelo econômico e social sustentável.This reasearch aims at evaluating the use of slag from steel making in the production of self-supported blocks for masonry. The largest residual volume generated from the steel making process is the slag, which is used for cement production and paving of roads. There is a lot of researches and papers issued about such subjects. However, the use of slag to manufacture self-supported blocks was not found in the technical literature over masonry. The methods and parameters applied to evaluate standard masonry materials were adapted to allow a proper evaluation of these self-supported blocks made of slag. The first step was the definition of an ideal granulometry to be used as aggregate. The next step was the definition of the composition of the mixture. As the slag is a water-repellent material, it was necessary to add other elements in order to ensure water retention and to allow a proper plastic conformation. The blocks were moulded in a hydraulic press, that defined the block shape and its manufacturing process. The slag block has gone through many tests and the results has shown that it is technically satisfactory as a waterproof and masonry material. The slag, as a stell making by-product, is an abundant and non-expensive material, thus becoming economically viable and competitive. It can be applied in many areas of civil construction, making an important contribution for a sustainable social and economic model.
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Bravo, Rafael Segantini [UNESP]. "Análise de blocos de concreto com resíduo de borracha de pneu e metacaulim." Universidade Estadual Paulista (UNESP), 2014. http://hdl.handle.net/11449/124467.
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000837029.pdf: 2125746 bytes, checksum: 3c7acd4bd3c47790e571b23a516ef2d6 (MD5)Vários segmentos da sociedade têm se voltado para os conceitos da sustentabilidade, pesquisando alternativas para minimizar os impactos causados pelo consumo, muitas vezes, indiscriminado de matéria-prima e pelo grande volume de resíduos gerados, entre os quais se incluem os resíduos de borracha. Neste sentido, diversos trabalhos de engenharia têm indicado que a adição de resíduos de borracha de pneu têm potencial para promover a redução da massa específica de matrizes cimentícias. Deste modo, objetivou-se neste trabalho avaliar a aplicação de resíduos de borracha de pneu na confecção de concretos leves, com massa específica aparente inferior a 2000 kg/m3, tendo em vista a sua aplicação em blocos de concreto para alvenaria. Observou-se que houve uma diminuição da resistência à compressão do concreto, razão pela qual adotou-se o procedimento de substituir 10% de cimento por metacaulim (em massa). Objetivou-se ainda, neste trabalho, promover uma destinação apropriada para este resíduo e assim minimizar os possíveis impactos ambientais, muitas vezes causados pela sua destinação inadequada. Foram produzidos traços de concreto sem resíduo (concreto referência), com 9,2%, 18% e 26,8% de resíduo em substituição do agregado miúdo, em relação ao volume. Confeccionaram-se corpos de prova cilíndricos 10 cm x 20 cm e blocos de concreto 14 cm x 19 cm x 29 cm, os quais foram ensaiados visando a determinação da resistência à compressão simples. Os blocos de concreto foram também submetidos a ensaios de absorção. Constatou-se que entre os traços ensaiados, o resultado menos favorável foi obtido para os blocos produzidos com 26,8% de resíduo, os quais apresentaram resistência característica à compressão de 2,74 MPa e absorção de 6,96%, resultados que atendem às prescrições da NBR 6136 para a confecção de blocos vazados de concreto para alvenaria
Various segments of society have focused on the concepts of sustainability, researching alternatives to minimize the impacts caused by the often indiscriminate consumption of raw materials and the large volume of waste generated, among which include the waste rubber. Accordingly, many engineering studies have shown that the addition of waste rubber tire has the potential to promote the reduction of specific mass of cementitious matrices. Thus, the aim of this study was to evaluate the application of these wastes in the manufacture of lightweight concrete, with specific mass less than 2000 kg/m3, with a view to their application in concrete block masonry. It was observed that there was a decrease in compressive strength of the concrete, which is why we adopted the procedure of replacing 10% of metakaolin in cement (by mass). Still aim of this study, promote appropriate disposal for this waste and to minimize possible environmental impacts, often caused by their improper disposal. Ratio of concrete were produced without residue (reference concrete), with 9,2%, 18% and 26,8% of residue in substitution fine aggregate, in relative to the volume. Were produced cylindrical specimens 10 cm x 20 cm and concrete block 14 cm x 19 cm x 29 cm, which were tested in order to determine the compressive strenght. The concrete blocks were also tested for absorption. It was found that among the tested ratios, the less favorable result was obtained for the blocks produced with 26,8% of residue, which showed characteristic compressive strength of 2,74 MPa and absorption of 6,96%, results that meet the requirements of NBR 6136 for the manufacture of hollow concrete block mansory
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Bravo, Rafael Segantini. "Análise de blocos de concreto com resíduo de borracha de pneu e metacaulim /." Ilha Solteira, 2014. http://hdl.handle.net/11449/124467.
Full textAbstract:
Orientador: Jorge Luís AkasakiBanca: Mauro Mitsuuchi Tashima
Banca: Lúcia Reig Cerdá
Resumo: Vários segmentos da sociedade têm se voltado para os conceitos da sustentabilidade, pesquisando alternativas para minimizar os impactos causados pelo consumo, muitas vezes, indiscriminado de matéria-prima e pelo grande volume de resíduos gerados, entre os quais se incluem os resíduos de borracha. Neste sentido, diversos trabalhos de engenharia têm indicado que a adição de resíduos de borracha de pneu têm potencial para promover a redução da massa específica de matrizes cimentícias. Deste modo, objetivou-se neste trabalho avaliar a aplicação de resíduos de borracha de pneu na confecção de concretos leves, com massa específica aparente inferior a 2000 kg/m3, tendo em vista a sua aplicação em blocos de concreto para alvenaria. Observou-se que houve uma diminuição da resistência à compressão do concreto, razão pela qual adotou-se o procedimento de substituir 10% de cimento por metacaulim (em massa). Objetivou-se ainda, neste trabalho, promover uma destinação apropriada para este resíduo e assim minimizar os possíveis impactos ambientais, muitas vezes causados pela sua destinação inadequada. Foram produzidos traços de concreto sem resíduo (concreto referência), com 9,2%, 18% e 26,8% de resíduo em substituição do agregado miúdo, em relação ao volume. Confeccionaram-se corpos de prova cilíndricos 10 cm x 20 cm e blocos de concreto 14 cm x 19 cm x 29 cm, os quais foram ensaiados visando a determinação da resistência à compressão simples. Os blocos de concreto foram também submetidos a ensaios de absorção. Constatou-se que entre os traços ensaiados, o resultado menos favorável foi obtido para os blocos produzidos com 26,8% de resíduo, os quais apresentaram resistência característica à compressão de 2,74 MPa e absorção de 6,96%, resultados que atendem às prescrições da NBR 6136 para a confecção de blocos vazados de concreto para alvenaria
Abstract: Various segments of society have focused on the concepts of sustainability, researching alternatives to minimize the impacts caused by the often indiscriminate consumption of raw materials and the large volume of waste generated, among which include the waste rubber. Accordingly, many engineering studies have shown that the addition of waste rubber tire has the potential to promote the reduction of specific mass of cementitious matrices. Thus, the aim of this study was to evaluate the application of these wastes in the manufacture of lightweight concrete, with specific mass less than 2000 kg/m3, with a view to their application in concrete block masonry. It was observed that there was a decrease in compressive strength of the concrete, which is why we adopted the procedure of replacing 10% of metakaolin in cement (by mass). Still aim of this study, promote appropriate disposal for this waste and to minimize possible environmental impacts, often caused by their improper disposal. Ratio of concrete were produced without residue (reference concrete), with 9,2%, 18% and 26,8% of residue in substitution fine aggregate, in relative to the volume. Were produced cylindrical specimens 10 cm x 20 cm and concrete block 14 cm x 19 cm x 29 cm, which were tested in order to determine the compressive strenght. The concrete blocks were also tested for absorption. It was found that among the tested ratios, the less favorable result was obtained for the blocks produced with 26,8% of residue, which showed characteristic compressive strength of 2,74 MPa and absorption of 6,96%, results that meet the requirements of NBR 6136 for the manufacture of hollow concrete block mansory
Mestre
5
Djau, Mamadu Alfa. "Desempenho comercial do mercosul: estrutura, vantagens comparativas reveladas e comÃrcio inter e intra-setorial." Universidade Federal do CearÃ, 2015. http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=13736.
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CoordenaÃÃo de AperfeÃoamento de Pessoal de NÃvel SuperiorThis search investigated the trade performance of South Common Market (MERCOSUL) with emphasis as consequence of the modification over the word economy, such as the market integration, technological advances and competition gains inducing the international trade to have deep structural transformations. The search started by performing segmentation of word economy in regional blocks changing the multilateral negotiations among countries, trying combining forces to get up the level of competitiveness and assure their insertion in the international market. The main objective of this search is to make analysis of trading performance of MERCOSUL throughout the structure, comparative reveled advantages both inter sectors and among sectors. The data came from different sources as Analysis Systems External Trade Information (Aliceweb and Alice Web Mercosul) from External Trade Secretary, institution belonging to Development Ministry of Brazil. It was taken by portal FAO/STAT. The data also comes from BIRD, IMF, Word Development Indicators, Advanced Science and Technology Institute, Agricultural Ministry of Brazil from where we studied the agricultural commodities grouped by sectors assuming the common definition of MERCOSUL. The analytical model used in this search was the estimation of Reveled Comparative Advantages both inter and among sectors in order to identify the advantages existing in each studied country members in the trade of these sectors inside the block. The search covers the period from 2007 to 2012. By making in this way it was reached results which are in accordance with the objective of the search. It was permitted to conclude that Brazil and Argentina had six sectors in which Brazil had revealed comparative advantage into the MERCOSUL and trade among sectors with productive specialization in six sectors. Argentina has advantage in five sectors by practicing trade among sectors. Argentina also has productive specialization in four sectors. Anchored in the results we can conclude that Brazil continues being the major economy of the block as waited, having the greatest part of this market specialized over the trade of agricultural commodities. Otherwise the block continues needing to solve many problems such as the trading barriers as well to enforce the regional regulators institutions in order to become international and can monitory trade actions of some countries to benefit other Countries which belong to the MERCOSUL.
O presente trabalho investiga o desempenho comercial do Mercado Comum do Sul, em que, as modificaÃÃes na economia mundial, tais como a integraÃÃo dos mercados, avanÃos tecnolÃgicos e ganhos de competitividade induziram o comercio internacional Ãs profundas transformaÃÃes estruturais. Iniciou-se uma segmentaÃÃo da economia mundial em blocos regionais, substituindo as negociaÃÃes multilaterais entre os paÃses, na tentativa de combinarem esforÃos para aumentar o nÃvel de competitividade e garantir sua sobrevivÃncia e inserÃÃo no mercado internacional. O objetivo principal deste trabalho à analisar o desempenho comercial do Mercosul, atravÃs da estrutura, vantagens comparativas reveladas e comÃrcio inter e intra-setorial. As principais fontes de dados utilizadas foram o sistema de anÃlise das InformaÃÃes de ComÃrcio Exterior (Aliceweb e Alice Web Mercosul) da Secretaria ComÃrcio Exterior, ÃrgÃo vinculado ao MinistÃrio do Desenvolvimento, IndÃstria e ComÃrcio Exterior; atravÃs do portal FAO/STAT; Banco Mundial, Fundo MonetÃrio Internacional, World Development Indicators, Advanced Science and Technology Institute, MinistÃrio da Agricultura, PecuÃria e Abastecimento em que foram estudados os produtos agropecuÃrios em termos de setores com Nomenclatura Comum do Mercosul. O modelo analÃtico utilizado neste trabalho foi o cÃlculo de Ãndices de Vantagens Comparativas Reveladas e Inter setorial e Intra-setorial para identificar vantagem no comÃrcio destes setores dentro do bloco pelos paÃses membros no perÃodo que compreende de 2007 a 2012. Com isso, foram alcanÃados os resultados satisfatÃrios como propostos nos objetivos em que o destaque das anÃlises se concentra nas duas maiores economias do bloco, Brasil e Argentina, em que foram encontrados seis setores no qual Brasil possui vantagem comparativa revelada em relaÃÃo ao Mercosul e comÃrcio de tipo intra-setorial, com especializaÃÃo produtiva nestes seis setores e a Argentina possui vantagem em cinco setores praticando comÃrcio de tipo intra-setorial nestes cinco e possuà especializaÃÃo produtiva em quatro setores. Portanto conclui-se que o Brasil continua sendo a maior economia do bloco possuindo desta maneira a maior fatia deste mercado na comercializaÃÃo dos produtos agropecuÃrios. No entanto, o bloco ainda precisa resolver muitos problemas como no caso de barreiras alfandegÃrias que outrora os paÃses enfrentam nas exportaÃÃes destes setores e como tambÃm procurar fortificar os seus ÃrgÃos reguladores de maneira que torne supranacional fiscalizando aÃÃes comerciais sem favorecimento de algum paÃs membro.
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Fernandes, Gustavo Fantini [UNESP]. "Utilização do solo-cimento auto-adensável na fabricação de blocos de alvenaria." Universidade Estadual Paulista (UNESP), 2017. http://hdl.handle.net/11449/148765.
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Este trabalho estuda a viabilidade de aplicação do Solo-Cimento Auto-Adensável (SCAA) para fabricação de blocos de alvenaria para três traços diferentes. Para isso realizou-se o estudo do SCAA em estado fresco, verificando sua trabalhabilidade, viscosidade, auto-adensabilidade e presença de exsudação e segregação a partir de ensaios de slump flow e ensaio do funil. Também se verificou o comportamento do material em estado endurecido, a partir de ensaios de compressão axial e diametral, absorção de água, massa específica em Corpos de Prova (CPs) cilíndricos 5 x 10 cm, além de ensaio de módulo de deformação em CPs cilíndricos 10 x 20 cm, e também ensaios de compressão em blocos e prismas formados por dois blocos. Os resultados encontrados na pesquisa mostraram que as propostas de SCAA se comportaram de forma interessante em seu estado fresco, possibilitando a fabricação de blocos através de formas de madeira, mostrando que a aplicação do SCAA para fabricação de blocos de alvenaria é possível, inclusive trás resultados de compressão de blocos que ultrapassam os 8,50 MPa aos 28 dias de cura, o que possibilita classificar a alvenaria como portante. O trabalho ainda mostra resultados de compressão de prisma que ultrapassaram 4,0 MPa, e mostram a eficiência da alvenaria que variou de 0,44 a 0,67.
This project studies the viability of the application of the self compacting cement soil (SCCS) in order to manufacture masonry blocks to three different traits. For such a thing, a project of SCCS was made in fresh condition, verifying it workability, consistency, self density and the presence of exudation and segregation starting from slump flow and filler experiments. It also has been verified that the material action in hardened condition, starting from diametral and axial compression experiments, water absorbing, specific mass in cilindric proof corps (PCs) 5 per 10 centimeters, besides deformation modulus experiments 10 per 20 centimeters and also compression experiments in blocks and prisms made by two blocks. The results found in the research revealed that the SCCS proposals behaved in an interesting way their fresh condition allowing the blocks manufacture through wood forms, revealing that the SCCS application in order to manufacture of masonry blocks is possible, by the way it brings results that overcome 8,5 MPA on the 28 seasoning day, which allows to classify the masonry as portant. The project also reveals prism compression results that overcame 4,0 MPA, and shows the efficiency of the masonry that varied from 0,44 to 0,67.
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Fernandes, Gustavo Fantini. "Utilização do solo-cimento auto-adensável na fabricação de blocos de alvenaria /." Ilha Solteira, 2017. http://hdl.handle.net/11449/148765.
Full textAbstract:
Orientador: José Luiz Pinheiro MelgesResumo: Este trabalho estuda a viabilidade de aplicação do Solo-Cimento Auto-Adensável (SCAA) para fabricação de blocos de alvenaria para três traços diferentes. Para isso realizou-se o estudo do SCAA em estado fresco, verificando sua trabalhabilidade, viscosidade, auto-adensabilidade e presença de exsudação e segregação a partir de ensaios de slump flow e ensaio do funil. Também se verificou o comportamento do material em estado endurecido, a partir de ensaios de compressão axial e diametral, absorção de água, massa específica em Corpos de Prova (CPs) cilíndricos 5 x 10 cm, além de ensaio de módulo de deformação em CPs cilíndricos 10 x 20 cm, e também ensaios de compressão em blocos e prismas formados por dois blocos. Os resultados encontrados na pesquisa mostraram que as propostas de SCAA se comportaram de forma interessante em seu estado fresco, possibilitando a fabricação de blocos através de formas de madeira, mostrando que a aplicação do SCAA para fabricação de blocos de alvenaria é possível, inclusive trás resultados de compressão de blocos que ultrapassam os 8,50 MPa aos 28 dias de cura, o que possibilita classificar a alvenaria como portante. O trabalho ainda mostra resultados de compressão de prisma que ultrapassaram 4,0 MPa, e mostram a eficiência da alvenaria que variou de 0,44 a 0,67.
Mestre
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Maas, Celso Ricardo. "Resistencia a compressão de paredes de alvenaria estrutural, com blocos assentados com argamassa plena e longitudinal." [s.n.], 2004. http://repositorio.unicamp.br/jspui/handle/REPOSIP/257679.
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Orientador: Newton de Oliveira Pinto JuniorDissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia Civil, Arquitetura e Urbanismo
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Resumo: Os dois objetivos principais deste trabalho são verificar e analisar a redução da carga de ruptura de paredes de alvenaria estrutural, quando os blocos são assentados com argamassa apenas nas suas paredinhas longitudinais (argamassa longitudinal). Estas verificações e análises se fazem necessárias porque a NBR 8798 (1985) ainda especifica a colocação de argamassa em todas as paredes dos blocos (argamassa plena), embora o que mais se tem observado nas nossas construções é a colocação de argamassa apenas nas paredinhas longitudinais. Além disso, essas verificações se tornam mais necessárias quando se sabe que esse tipo de assentamento é o mais usado nos países mais ricos e desenvolvidos do mundo. Para a determinação do valor dessa redução, bem como para melhor compreender a ruptura das paredes com esses dois tipos de assentamento, foram ensaiados corpos-de-prova de blocos, prismas e paredes de 1,00 m de altura, na idade de 14 dias, com argamassa plena e longitudinal. Todos os ensaios foram feitos com blocos de concreto e com blocos cerâmicos. Finalizando, após evidenciar as deficiências dos atuais modelos de prismas, principalmente dos prismas com argamassa longitudinal, este trabalho tem como um último objetivo propor novos modelos de prismas para ensaios, em conformidade com os tipos de assentamento
Abstract: The two main aims of this work are to verify and analyze the reduction of the compressive strength of structural masonry walls, when the blocks are laid with mortar only in the outside faces of the block (face shell bedding). These verifications and analysis are important because, although the Brazilian code NBR 8798 (1985) still specifies that the entire block surface must be bonded (full mortar bedding), in Brazil the most used type of bedding is the face shell bedding. Besides, these verifications are important because we notice that the face shell bedding is used in the richest countries. In order to find the magnitude of this reduction and to understand the collapse of the two types of bedding, 14 days old specimens of blocks, prisms and wallettes of one meter height were tested, with face shell and full mortar bedding. All the tests were carried out with concrete and ceramic structural blocks. After realize the handicaps of the Brazilian prisms, mainly that ones bonded whit face shell bedding, the last aim of this work is to propose a new model of prisms, to be used in laboratory tests
Mestrado
Edificações
Mestre em Engenharia Civil
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Logullo, Bárbara Gonçalves [UNESP]. "Influência do graute e da taxa de armadura no comportamento da alvenaria de blocos de concreto." Universidade Estadual Paulista (UNESP), 2006. http://hdl.handle.net/11449/91493.
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logullo_bg_me_ilha.pdf: 2174691 bytes, checksum: 2bff5d48b8a6abd70b07786d00f61690 (MD5)Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
Apresenta-se neste trabalho uma investigação experimental do comportamento da alvenaria estrutural de blocos de concreto, resistência à compressão axial e módulo de elasticidade, em função do emprego de blocos de diferentes resistências, na presença de grautes de resistências variadas e também da existência ou não de armaduras, aplicadas em distintas taxas. Desse modo, são apresentados e comentados os resultados de ensaios de compressão axial em unidades, prismas de três blocos e pequenas paredes, montados com um só tipo de argamassa, mas com blocos de duas resistências distintas, designadas B1 e B2. Os elementos ensaiados são vazios e também preenchidos com grautes de duas resistências, definidas G1 e G2. Além destes, também são ensaiados prismas e paredes armadas, com taxas de armadura ñ 1, ñ 2 e ñ 3. Portanto, são realizados ensaios em prismas e paredes vazias, prismas e paredes grauteadas com as diferentes combinações de classes de bloco e graute e com a combinação de blocos, grautes e taxas de armadura. Com os resultados obtidos foi verificado que o grauteamento praticamente dobrou a resistência do prisma grauteado, e, nas paredes o acréscimo foi médio de 80%, comparado com prisma e parede vazia na área bruta, porém esse aumento não foi proporcional à relação efetiva de áreas. Os prismas grauteados apresentaram diminuição na deformação de ruptura com a utilização de grautes mais rígidos, e, o grauteamento homogeneizou o comportamento de deformabilidade da alvenaria e do bloco que a constitui, no prisma e na parede. Constatou-se, também, que as armaduras não alteraram o comportamento estrutural dos prismas e paredes, nem na sua resistência à compressão axial e nem na sua deformabilidade.
It is presented in this work an experimental investigation of the structural mansory of concrete blocks behavior, resistance to axial compression and elastic modulus, in function of the utilization of blocks of different resistances, with the presence of grout of varying resistances and the existance or not of armour, applied in distinct taxes. By this way, it's shown and commented the trials results of axial compression in units, three-block prisms and small walls, manufactured with just one type of mortar, but with blocks with two distincts resistances, called B1 and B2. The tested elements are empty and filled with grout of two resistances, defined as G1 and G2. Besides them, armoured prism and walls were tested too, with armour taxes called ñ 1, ñ 2 and ñ 3. Hence, the trials are executed in empty prisms and walls, grouted prisms and walls with the different combinations of classes of blocks and grouts and with the combination of blocks, grouts and armour taxes. With the obtained results, it was verified that the grout almost doubled the resistance of the grouted prism and, in walls there was an 80% increase, compared with empty prism and walls in brute area, although this increase was not proportional to the effective relation of areas. The grouted prisms presented a decrease in rupture deformation with the utilization of more rigid grouts, and the grout smoothed the deformability behaviour in mansory and in the block that form it, in prisms and walls. It was noticed too, that the armour do not alter the structure behavior of prisms and walls, not even in theirs resistance to axial compression force, neither to theirs deformability.
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Prado, Danilo Mascarenhas. "Propriedades físicas e mecânicas de blocos estruturais produzidos com agregados reciclados de concreto." Universidade de São Paulo, 2006. http://www.teses.usp.br/teses/disponiveis/18/18134/tde-22062006-103918/.
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Este trabalho estuda a influência da utilização de resíduos de concreto (fração graúda ou miúda) nas características físicas e mecânicas de blocos de concreto estruturais, comparando-as com as características obtidas para blocos produzidos com agregados naturais. Foram utilizados resíduos obtidos de diferentes fontes oriundas de uma indústria de pré-moldados e pesquisados limites para a substituição dos agregados naturais por esses agregados reciclados. Inicialmente, foram realizados ensaios de caracterização dos agregados reciclados de concreto para avaliar o potencial de aplicação de cada um deles. Após serem selecionados os dois agregados mais apropriados para o estudo (resíduos de vigotas e blocos), foram produzidos corpos de prova com três traços em volume 1:20, 1:15 e 1:10, com substituições de 100% e 50% para agregados graúdos e de 33% para agregados miúdos. Quase todos esses traços e substituições foram utilizados para produzir blocos de concreto em uma indústria de pré-moldados, objetivando-se obter resistências à compressão de 4.5, 8.0 e 12.0 MPa. Os resultados obtidos para blocos com agregados reciclados foram então comparados com aqueles obtidos utilizando-se agregados naturais. Observou-se que, apesar de algumas propriedades apresentarem alterações, foram obtidos valores adequados para os parâmetros mais importantes, principalmente quanto à resistência à compressão e à absorção de água. Por fim, foram produzidos e ensaiados prismas com os blocos com agregados reciclados que apresentaram melhor desempenho, sendo avaliados a resistência à compressão e o módulo de deformação. Os resultados mostraram que os valores de eficiência prisma/bloco não foram significativamente alterados e os valores para os módulos de deformação resultaram próximos, tanto para blocos com agregados reciclados quanto para blocos com agregados naturaisThis research deals with the influence of the use of recycled concrete aggregate (coarse and fine) for physical and mechanical characteristics of concrete blocks comparing them with those ones obtained from blocks produced with natural aggregates. Residues from different sources of a prefabricated concrete blocks factory were used and limits for substituting natural aggregates for recycled aggregate were tested. First, several characterization tests for different recycled concrete aggregates were carried out in order to evaluate their properties. Two of them were selected and test samples were produced considering three different mix proportions in volume: 1:20, 1:15 and 1:10, with replacements of 100% and 50% of coarse aggregates and 33% of fine aggregates. Almost all of these proportions were used for preparing concrete blocks with three classes of compression strength: 4.5, 8.0 and 12.5 MPa. Then the obtained results were compared with those ones obtained for blocks with natural aggregates. Despite the fact of the properties were not the same, the physical and mechanical characteristics could be considered adequate, mainly regarding compression and water absorption. Finally, some prisms with blocks of recycled aggregate were produced and tested evaluating the results for compression and deformation modulus. One could observe that the strength rate prism/block was not significantly modified and the deformation modulus were similar either considering blocks of recycled aggregate or blocks of natural aggregate
Books on the topic "BLOC1S6"
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1947-, Bhalla P., ed. Regional blocs: Building blocks or stumbling blocks. New York: St. Martin's Press, 1997.
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McMillan, Charles J. Building blocks or trade blocs: NAFTA, Japan and the new world order. Ottawa: Canada-Japan Trade Council, 1993.
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illustrator, Kang Andrea, ed. Blocks. Cincinnati, OH: Blue Manatee Press, 2013.
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Backer, Barbara. Blocks. Torrance, Calif: Totline Publications, 1998.
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Blocks. Chicago, IL: Silver Seahorse Press, 1993.
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Beattie, Basil. Blocks. [London]: EMH Arts, 1991.
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Owen, Claire. Building blocks. Vernon Hills, IL: ETA/Cuisenaire, 2005.
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Schwartz, Stuart. Karate blocks. Mankato, Minn: Capstone High/Low Books, 1999.
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Anderson, R. Tower blocks. London: Polytechnic of the South Bank and the Institute of Housing, 1985.
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Rock blocks. Providence, R.I: American Mathematical Society, 2009.
Find full textBook chapters on the topic "BLOC1S6"
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Townsend, Brian J. "Blocks." In Computer-aided Draughting Workbook, 37–39. London: Macmillan Education UK, 1993. http://dx.doi.org/10.1007/978-1-349-12681-1_12.
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Lee, Keith. "Blocks." In Pro Objective-C, 275–94. Berkeley, CA: Apress, 2013. http://dx.doi.org/10.1007/978-1-4302-5051-7_15.
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Campbell, Matthew. "Blocks." In Objective-C Quick Syntax Reference, 69–72. Berkeley, CA: Apress, 2013. http://dx.doi.org/10.1007/978-1-4302-6488-0_20.
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Oliveira, Carlos. "Blocks." In Objective-C Programmer’s Reference, 113–26. Berkeley, CA: Apress, 2013. http://dx.doi.org/10.1007/978-1-4302-5906-0_6.
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Schneider, Peter. "Blocks." In Modular Representation Theory of Finite Groups, 147–73. London: Springer London, 2013. http://dx.doi.org/10.1007/978-1-4471-4832-6_5.
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Bowers, Michael, Dionysios Synodinos, and Victor Sumner. "Blocks." In Pro HTML5 and CSS3 Design Patterns, 265–91. Berkeley, CA: Apress, 2011. http://dx.doi.org/10.1007/978-1-4302-3781-5_13.
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Blanco, Rafael, and Jens Børglum. "Truncal Blocks: Quadratus Lumborum Blocks." In Analgesia in Major Abdominal Surgery, 163–75. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-94482-1_10.
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King, Kevin. "Truncal Blocks: Thoracic Paravertebral Blocks." In Analgesia in Major Abdominal Surgery, 149–62. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-94482-1_9.
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Heinze, Thomas, and Katrin Petzold-Welcke. "Recent Advances in Cellulose Chemistry." In Polysaccharide Building Blocks, 1–50. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2012. http://dx.doi.org/10.1002/9781118229484.ch1.
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Shuttleworth, Peter S., Avtar Matharu, and James H. Clark. "Polysaccharide-Based Porous Materials." In Polysaccharide Building Blocks, 271–85. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2012. http://dx.doi.org/10.1002/9781118229484.ch10.
Full textConference papers on the topic "BLOC1S6"
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"Workshop committees." In 2015 IEEE Blocks and Beyond Workshop (Blocks and Beyond). IEEE, 2015. http://dx.doi.org/10.1109/blocks.2015.7368987.
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Feng, Annette, Eli Tilevich, and Wu-chun Feng. "Block-based programming abstractions for explicit parallel computing." In 2015 IEEE Blocks and Beyond Workshop (Blocks and Beyond). IEEE, 2015. http://dx.doi.org/10.1109/blocks.2015.7369006.
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"Title page." In 2015 IEEE Blocks and Beyond Workshop (Blocks and Beyond). IEEE, 2015. http://dx.doi.org/10.1109/blocks.2015.7368983.
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"Copyright page." In 2015 IEEE Blocks and Beyond Workshop (Blocks and Beyond). IEEE, 2015. http://dx.doi.org/10.1109/blocks.2015.7368984.
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"Table of contents." In 2015 IEEE Blocks and Beyond Workshop (Blocks and Beyond). IEEE, 2015. http://dx.doi.org/10.1109/blocks.2015.7368985.
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"Foreword." In 2015 IEEE Blocks and Beyond Workshop (Blocks and Beyond). IEEE, 2015. http://dx.doi.org/10.1109/blocks.2015.7368986.
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Morrison, Briana B. "Position paper: Assessing knowledge in blocks-based and text-based programming languages." In 2015 IEEE Blocks and Beyond Workshop (Blocks and Beyond). IEEE, 2015. http://dx.doi.org/10.1109/blocks.2015.7368988.
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Werntrop, David, and Uri Wilensky. "The challenges of studying blocks-based programming environments." In 2015 IEEE Blocks and Beyond Workshop (Blocks and Beyond). IEEE, 2015. http://dx.doi.org/10.1109/blocks.2015.7368989.
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Sherman, Mark, and Fred Martin. "Learning analytics for the assessment of interaction with App Inventor." In 2015 IEEE Blocks and Beyond Workshop (Blocks and Beyond). IEEE, 2015. http://dx.doi.org/10.1109/blocks.2015.7368992.
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Johnson, Chris, and Peter Bui. "Blocks in, blocks out: A language for 3D models." In 2015 IEEE Blocks and Beyond Workshop (Blocks and Beyond). IEEE, 2015. http://dx.doi.org/10.1109/blocks.2015.7369007.
Full textReports on the topic "BLOC1S6"
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Smith, Charles. Building-blocks of Understanding. Bristol, UK: The Economics Network, April 2006. http://dx.doi.org/10.53593/n633a.
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Banks, H. T., Gabriella A. Pinter, and O. H. Yeoh. Analysis of Bonded Elastic Blocks. Fort Belvoir, VA: Defense Technical Information Center, January 2001. http://dx.doi.org/10.21236/ada454440.
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Martin, Maurice, Tami Reynolds, Anuj Sanghvi, Sadie Cox, and James Elsworth. Power Sector Cybersecurity Building Blocks. Office of Scientific and Technical Information (OSTI), March 2021. http://dx.doi.org/10.2172/1774880.
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Frankel, Jeffrey, and Shang-Jin Wei. Emerging Currency Blocs. Cambridge, MA: National Bureau of Economic Research, April 1993. http://dx.doi.org/10.3386/w4335.
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Buckley, Robert R. Service Uniqueness - Stumbling Blocks to Jointness. Fort Belvoir, VA: Defense Technical Information Center, March 1989. http://dx.doi.org/10.21236/ada209797.
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Rose, M. The Blocks Extensible Exchange Protocol Core. RFC Editor, March 2001. http://dx.doi.org/10.17487/rfc3080.
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Adamson, B., C. Bormann, M. Handley, and J. Macker. Multicast Negative-Acknowledgment (NACK) Building Blocks. RFC Editor, November 2008. http://dx.doi.org/10.17487/rfc5401.
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Arkko, J., M. Cotton, and L. Vegoda. IPv4 Address Blocks Reserved for Documentation. RFC Editor, January 2010. http://dx.doi.org/10.17487/rfc5737.
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Morlan, Christopher E. Creating Title Blocks for Vehicle Animations. Fort Belvoir, VA: Defense Technical Information Center, August 1987. http://dx.doi.org/10.21236/ada185620.
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Bonin, John A. Brigades: Building Blocks for Force XXI. Fort Belvoir, VA: Defense Technical Information Center, April 1995. http://dx.doi.org/10.21236/ada295855.
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