Littérature scientifique sur le sujet « Bimrock »
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Articles de revues sur le sujet "Bimrock"
Sunuwar, S. C., B. N. Upreti et U. Glawe. « An overview of bimrocks and related engineering geological problems in the Nepal Himalaya ». Journal of Nepal Geological Society 40 (1 décembre 2010) : 61–68. http://dx.doi.org/10.3126/jngs.v40i0.23596.
Texte intégralNikolaidis, G., et C. Saroglou. « ENGINEERING GEOLOGICAL CHARACTERISATION OF BLOCK-IN-MATRIX ROCKS ». Bulletin of the Geological Society of Greece 50, no 2 (27 juillet 2017) : 874. http://dx.doi.org/10.12681/bgsg.11793.
Texte intégralMeng, H. J., Y. Wang et J. Y. Ren. « In Situ X-Ray Computed Tomography (CT) Investigation on Localized Deformation and Crack Damage Evolution in a Bimrock by Tracking Rock Blocks ». Advances in Civil Engineering 2020 (20 octobre 2020) : 1–14. http://dx.doi.org/10.1155/2020/8851817.
Texte intégralWang, Yu, Hongjian Wang, Sun Tao et Xuefeng Yi. « On the Dynamic Mechanical Behaviors of a Fault Unwelded Bimrock Exposed to Freeze-Thaw-Fatigue Loads : A Lab-Scale Testing ». Geofluids 2022 (30 mars 2022) : 1–15. http://dx.doi.org/10.1155/2022/7851201.
Texte intégralRamos-Cañón, Alfonso Mariano, Lady Carolina Castro-Malaver, Nelly Vanessa Padilla-Bello et Carlos Alberto Vega-Posada. « Incertidumbre en la determinación del Porcentaje Volumétrico de Bloques de BIMrocks/BIMsoil a partir de información unidimensional ». Revista Boletín de Geología 42, no 1 (1 janvier 2020) : 69–80. http://dx.doi.org/10.18273/revbol.v42n1-2020004.
Texte intégralLu, Yu-Chen, Yong-Ming Tien, Charng Hsein Juang et Jeen-Shang Lin. « Uncertainty of volume fraction in bimrock using the scan-line method and its application in the estimation of deformability parameters ». Bulletin of Engineering Geology and the Environment 79, no 4 (13 décembre 2019) : 1651–68. http://dx.doi.org/10.1007/s10064-019-01635-7.
Texte intégralJovanovska, T., et E. Angelova. « Some aspects of andesitic Bimrock characterisation ». IOP Conference Series : Earth and Environmental Science 833, no 1 (1 août 2021) : 012062. http://dx.doi.org/10.1088/1755-1315/833/1/012062.
Texte intégralNapoli, Maria Lia, Lorenzo Milan, Monica Barbero et Edmund Medley. « Investigation of Virtual Bimrocks to Estimate 3D Volumetric Block Proportions from 1D Boring Measurements ». Geosciences 12, no 11 (4 novembre 2022) : 405. http://dx.doi.org/10.3390/geosciences12110405.
Texte intégralSonmez, H., C. Gokceoglu, E. W. Medley, E. Tuncay et H. A. Nefeslioglu. « Estimating the uniaxial compressive strength of a volcanic bimrock ». International Journal of Rock Mechanics and Mining Sciences 43, no 4 (juin 2006) : 554–61. http://dx.doi.org/10.1016/j.ijrmms.2005.09.014.
Texte intégralColi, N., P. Berry, D. Boldini et R. Bruno. « The contribution of geostatistics to the characterisation of some bimrock properties ». Engineering Geology 137-138 (juin 2012) : 53–63. http://dx.doi.org/10.1016/j.enggeo.2012.03.015.
Texte intégralThèses sur le sujet "Bimrock"
Coli, Niccolò <1981>. « Metodi avanzati di indagine di ammassi rocciosi a blocchi in matrice (bimrock) ». Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2010. http://amsdottorato.unibo.it/2592/1/Coli_Niccol%C3%B2_tesi.pdf.
Texte intégralColi, Niccolò <1981>. « Metodi avanzati di indagine di ammassi rocciosi a blocchi in matrice (bimrock) ». Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2010. http://amsdottorato.unibo.it/2592/.
Texte intégralNAPOLI, MARIA LIA. « Complex formations with a block-in-matrix fabric ». Doctoral thesis, Politecnico di Torino, 2020. http://hdl.handle.net/11583/2858345.
Texte intégralBhering, Apolo Pedrosa. « Classificação do maciço rochoso e caracterização das brechas da mina subterrânea de Vazante-MG ». Universidade Federal de Viçosa, 2009. http://locus.ufv.br/handle/123456789/3718.
Texte intégralThis dissertation describes the Vazante underground mine rock mass and some important breccias geomechanics features, or bimrocks, which occur in the underground. Systematic geologic-geotechnics mappings of the main levels of the underground mine was carried out, allowing the individualization of four families of main discontinuities, besides the preserved sedimentary bedding and the foliation. The mappings were done following the geomechanics classification RMR and the Q system, supplying correlation between the methods for Vazante's lithotypes. A new campaign of uniaxial tests for the determination of intact rock strength was carried out and the RQD values for each classified area had been determined by statistics analyses. The results were discussed according to each parameter and peculiarities found in each distinct rock mass. The breccias, a rock type which is not very accessible in the geotechnical literature, had been characterized according to the volumetric block proportion (VBP) and strength to simple compression. The values of VBP had been found from the analyses obtained with the aid of the Leica Qwin software for the binarization of the digitalized images. There has also been presented the correlation between the simple compression and the percentages of the main chemical elements that constitutes the Vazante breccias, such as zinc, iron, calcium, magnesium and silicon.
Esta dissertação descreve o maciço rochoso da mina subterrânea de Vazante e algumas importantes características geomecânicas das brechas, ou bimrocks, que ocorrem em subsolo na área da mina. Realizaram-se mapeamentos geológico-geotécnicos sistemáticos dos principais níveis da mina, que permitiram a individualização de quatro famílias de descontinuidades principais, além do acamamento sedimentar preservado e a foliação. Os mapeamentos foram executados seguindo a classificação geomecânica RMR e o Sistema Q, fornecendo correlações entre esses métodos para os litotipos de Vazante. Foi realizada uma nova campanha de ensaios uniaxiais para determinação da resistência da rocha intacta e análises estatísticas para setorização do RQD. Os resultados encontrados são discutidos em função de cada parâmetro e particularidades encontradas em cada maciço rochoso. As brechas, tipo de rocha pouco descrito na literatura geotécnica, foram caracterizadas em função da proporção volumétrica de blocos (VBP) e resistência à compressão uniaxial. Os valores de VBP foram obtidos a partir de análises realizadas com o auxílio do software Leica QWin para binarização das imagens digitalizadas. São apresentadas também as correlações entre resistência à compressão simples e os teores dos principais elementos químicos constituintes das brechas de Vazante, como zinco, ferro, cálcio, magnésio e silício.
Sharafisafa, Mansour. « Characterization of quasi-static and dynamic fracture behaviour of rock-like materials using digital image correlation ». Thesis, The University of Sydney, 2019. https://hdl.handle.net/2123/24320.
Texte intégralLo, Wen Hsiang, et 羅文驤. « Mechanical behavior of Bimrock –like Mateiral in ». Thesis, 2007. http://ndltd.ncl.edu.tw/handle/00441292680460746896.
Texte intégral國立交通大學
土木工程系所
95
The Li-shan colluvial deposits are composed of broken slate and its weathered soils. The ground surface exhibits concave-convex landforms which were formed by weathering and erosion. Thus, the terrain and geology exlpicit that landslide is easy to be triggered by rainfall or earthquake in the area. Due to the heterogeneity nature, the mechanical behavior and mechanical properties of colluviual deposits are difficult to be determined. Based on the nature, the broken slate with grey clay of colluvial deposits in Li-shan area can be categorized as a BIM (block in matrix) rock. The study aims to invstigate the mechanical behavior of the BIM rock. A series of undrained triaxial compression tests was performed on the BIM rocks. Based on the experimental results, it can be found that both the triaxial peak strength and tangential Young’s Modulus of the BIM rock increase with the increase of block content in specimens; the degree of modulous degradation for lower-block-content specimens is more significant than that for higher-block-content specimens. After observing failed specimens, it was found that failure path of high-block content specimens is zigzag and the blocks located on the failure surface were sheared. The fact can be explained that the larger of the block ratio of the specimen is the higher of the triaxial peak strength of the BIM rock. Finally, an approach is recommended for determining the mechanical properties of BIM rocks by laboratory trial compression test associated with numerical analysis.
Wu, Wei-Hao, et 吳偉豪. « The Mechanical Behavior of Artificial Transversely Isotropic Bimrock ». Thesis, 2006. http://ndltd.ncl.edu.tw/handle/5rws54.
Texte intégral國立中央大學
土木工程研究所
94
Bimrock is a kind of rock which contains the composition of block and matrix, its mechanical properites can be influenced by heterogeneous and anisotropy. This research is in different proportion with cement and kaolin to make transversely isotropic specimen of bimrock, then evolute to probe on mechanical behavior. The content of rock is an important parameter to estimate bimrock, this research use rotary scanner to pick specimen of bimrock and develope the image on the surface, use image process method to estimate the raito of specimen of bimrock. The result shows that the increase of confining pressure cause he destructive force to raise,and heterogeneous strength to reduce. This research use Tien and Kuo(2001) failure criterion and FLAC program to analyze the strength、heterogeneous and failure mode.the result show that prediction and experimental data are fairly agreeable.
Hsieh, Meng-Hsiu, et 謝孟修. « The Resembled Bimrock Mechanical Behavior of Colluvial Materials-Li-Shan LandSlide Area as an Example ». Thesis, 2007. http://ndltd.ncl.edu.tw/handle/25742489511351801087.
Texte intégral國立交通大學
土木工程系所
95
The Li-Shan landslide region was adopted as an investigated site in this study. This region contains sliding-type colluvium; the colluvium is composed of hard rock and soft clay, which can be considered as a complicated composite geomaterial to be described as a “Blocks-in-matrix (Bimrock)” material. This study aims to model and analyze the mechanical behavior of colluvial materials as “resembled bimrock”. Unlike the bimrock materials studied by previous researchers, the strengths and stiffness of the rock blocks and matrix of the Li-Shan’s colluvium are quite different. As a result, the nature of the colluvial mechanical behavior is very different from the bimrock materials studied by others. Numerically simulated results of bimrock model were compared with the laboratory tested results of artificial bimrock specimens carried out by others to verify the appropriateness of the numerical model. After verification, this study carried out a series of numerical simulation as virtual mechanical tests and looked into the important factors that affect the mechanical properties of the colluvial as resembled bimrock. Factors taken into account include rock-block ratio, rock-block inclination, and rock-block aspect ratio. It was found that, for the modeled resembled bimrock: (1) the strength increases with the increasing block ratio, (2) rock-block inclination results in the anisotropy of mechanical behavior and properties, and (3) the rock-block aspect ratio only has a minor influence on the mechanical behavior/properties. In addition, the effect of specimen size on the mechanical behavior/properties of colluvium was also evaluated through a series of virtual mechanical tests. It was found the variation of mechanical behavior tends to converge as the specimen size approaching to a representative elemental volume (REV). Attempt was also made to compare the simulated results of colluvium as a resembled bimrock with the data of laboratory tested results. Due to the inevitable difficulties of obtaining identical colluvium specimens for laboratory tests, it may be possible to adopt virtual mechanical tests to complement insufficient data of laboratory tests, provided an appropriate calibration is made.
Ku, Chih-Chun, et 古智君. « Preparation and mechanical behaviors of macroscopically isotropic bimrocks ». Thesis, 2004. http://ndltd.ncl.edu.tw/handle/01715526211961118112.
Texte intégral國立中央大學
土木工程研究所
92
The main purpose of this research is to study the mechanical properties and behaviors of bimrocks that composed of blocks in matrix. An uniaxial bi-directional compaction mold were designed to prepare the artificial bimrocks. By using different composite materials, the mechanical properties and behaviors with distinct block proportions and stiffnesses of the block and matrix are investigated. For the testing results, the mechanical properties of bimrock are controlled by matrix itself or the interface between block and matrix in uniaxial compression. With increasing confining pressures, the global mechanical properties and behaviors are controlled by both blocks and matrix in triaxial compression. Generally, increasing of block proportions decreased the cohesion and increased the internal friction angle and the material parameter m in Hoek-Brown criteria. Based on the experimental observation, the failure modes of the artificial bimrocks at different block proportions and confining pressures can be classified into four categories: axial splitting mode; shear fracture mode; conjugate shear mode with a main shear plane, and multiple conjugate shear planes mode. For theoretical prediction, the prediction models with assuming perfectly bonded interfaces in composite materials can fit the young’s modulus of the specimens at lower block proportions in uniaxial compression, but the prediction models can’t fit the data at higher block proportions. In triaxial compression, the micromechanics model can be used to predict the test data well.
Livres sur le sujet "Bimrock"
Yu, Wang. Geomechanical Behaviors of Bimrocks. Sous la direction de Wang Yu. Boca Raton : CRC Press, [2021] : CRC Press, 2021. http://dx.doi.org/10.1201/9781003155478.
Texte intégralGeomechanical Behaviors of Bimrocks. Taylor & Francis Group, 2021.
Trouver le texte intégralYu, Wang. Geomechanical Behaviors of Bimrocks. Taylor & Francis Group, 2021.
Trouver le texte intégralYu, Wang. Geomechanical Behaviors of Bimrocks. Taylor & Francis Group, 2021.
Trouver le texte intégralYu, Wang. Geomechanical Behaviors of Bimrocks. Taylor & Francis Group, 2021.
Trouver le texte intégralYu, Wang. Cyclic and Fatigue Mechanical Behaviors of Bimrocks. Scientific Research Publishing, 2022.
Trouver le texte intégralYu, Wang. Cyclic and Fatigue Mechanical Behaviors of Bimrocks. Scientific Research Publishing, 2022.
Trouver le texte intégralChapitres de livres sur le sujet "Bimrock"
Yu, Wang. « Flow and stress coupled characteristics of bimrock ». Dans Geomechanical Behaviors of Bimrocks, 275–363. Boca Raton : CRC Press, [2021] : CRC Press, 2021. http://dx.doi.org/10.1201/9781003155478-5.
Texte intégralYu, Wang. « Static fracture evolution of bimrock revealed by in situ CT technique ». Dans Geomechanical Behaviors of Bimrocks, 118–210. Boca Raton : CRC Press, [2021] : CRC Press, 2021. http://dx.doi.org/10.1201/9781003155478-3.
Texte intégralAriza-Triana, Andrés, Exneyder A. Montoya-Araque et Ludger O. Suarez-Burgoa. « Modeling of Bimrock/Bimsoil Structures by Means of Circular Particles Packed in R2 ». Dans Challenges and Innovations in Geomechanics, 737–43. Cham : Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-64518-2_87.
Texte intégralYu, Wang. « Macro–meso geomechanical behaviors of bimrocks ». Dans Geomechanical Behaviors of Bimrocks, 1–35. Boca Raton : CRC Press, [2021] : CRC Press, 2021. http://dx.doi.org/10.1201/9781003155478-1.
Texte intégralYu, Wang. « Ultrasonic and mechanical characteristics of bimrocks ». Dans Geomechanical Behaviors of Bimrocks, 36–117. Boca Raton : CRC Press, [2021] : CRC Press, 2021. http://dx.doi.org/10.1201/9781003155478-2.
Texte intégralYu, Wang. « Investigation on piping disaster in bimsoils ». Dans Geomechanical Behaviors of Bimrocks, 364–401. Boca Raton : CRC Press, [2021] : CRC Press, 2021. http://dx.doi.org/10.1201/9781003155478-6.
Texte intégralYu, Wang. « Dynamic behavior characterization of bimrocks using the CT technique ». Dans Geomechanical Behaviors of Bimrocks, 211–74. Boca Raton : CRC Press, [2021] : CRC Press, 2021. http://dx.doi.org/10.1201/9781003155478-4.
Texte intégralZhang, Han, et Daniela Boldini. « Improved Limit Equilibrium Methods for Evaluating the Shear Strength of Bimrocks During Bimtests ». Dans Challenges and Innovations in Geomechanics, 768–75. Cham : Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-64518-2_91.
Texte intégralKollegger, Gerrit, Marco Ewerton, Josef Wiemeyer et Jan Peters. « BIMROB – Bidirectional Interaction Between Human and Robot for the Learning of Movements ». Dans Proceedings of the 11th International Symposium on Computer Science in Sport (IACSS 2017), 151–63. Cham : Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-67846-7_15.
Texte intégral« In situ non conventional shear tests for the mechanical characterisation of a bimrock ». Dans Rock Mechanics in Civil and Environmental Engineering, 605–8. CRC Press, 2010. http://dx.doi.org/10.1201/b10550-139.
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