Academic literature on the topic 'Biodétériorations'
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Journal articles on the topic "Biodétériorations"
Boulon, Gilbert. "Biodétérioration des revêtements peints." Matériaux & Techniques 78, no. 12 (1990): 14–16. http://dx.doi.org/10.1051/mattech/199078120014.
Full textTribollet, B., and I. Frateur. "IXeForum de Biodétérioration des Matériaux." Matériaux & Techniques 98, no. 1 (2010): 17. http://dx.doi.org/10.1051/mattech/2010016.
Full textBraisaz, Thierry, and Gérard Pinard Legry. "VIIe forum de biodétérioration des matériaux." Matériaux & Techniques 93 (2005): s.11—s.12. http://dx.doi.org/10.1051/mattech:2006001.
Full textFritz-Feugeas, Françoise, and Gérard Pinard Legry. "VIIIe forum de biodétérioration des matériaux." Matériaux & Techniques 94 (2006): 431. http://dx.doi.org/10.1051/mattech:2007017.
Full textBillerbeck, V. G., C. G. Roques, G. Orial, F. Perret, C. Morin, L. Pizano, and M. A. Sire. "Biodétérioration d'oeuvre picturales : indentification des micromycètes responsables et traitement proposé." Matériaux & Techniques 90, no. 7-8 (2002): 31–36. http://dx.doi.org/10.1051/mattech/200290070031.
Full textLaffont, C., and B. Leclerc. "Gestion du risque de biodétérioration à la Bibliothèque nationale de France." Matériaux & Techniques 99, no. 5 (2011): 537–45. http://dx.doi.org/10.1051/mattech/2011133.
Full textWiktor, V., P. Grosseau, R. Guyonnet, and E. Garcia-Diaz. "Biodétérioration d'une matrice cimentaire par les champignons : influence du vieillissement accéléré sur le développement fongique." Matériaux & Techniques 94 (2006): 507–15. http://dx.doi.org/10.1051/mattech:2007025.
Full textBen Ahmed, K., N. Serres, C. Fond, and F. Feugeas. "Bioréceptivité de matériaux cimentaires en eau de rivière et technique d’évaluation de la biodétérioration par indentation." Matériaux & Techniques 103, no. 2 (2015): 203. http://dx.doi.org/10.1051/mattech/2015013.
Full textHondjuila Miokono, E., C. Lors, S. Lamberet, and D. Damidot. "Mise au point d’un test accéléré de biodétérioration de mortiers mettant en jeu une succession de bactéries sulfo-oxydantes." Matériaux & Techniques 99, no. 5 (2011): 555–63. http://dx.doi.org/10.1051/mattech/2011117.
Full textGourdon, R., R. Bayard, and G. Valla. "Biodétérioration microbienne des déchets· définitions, principes et méthodes d'évaluation." Déchets, sciences et techniques, no. 01 (1996). http://dx.doi.org/10.4267/dechets-sciences-techniques.554.
Full textDissertations / Theses on the topic "Biodétériorations"
Peyre-Lavigne, Matthieu. "Transformations biologiques impliquées dans la dégradation des revêtements cimentaires en réseau d'assainissement : application à la définition d'un test de résistance à la biodétérioration." Electronic Thesis or Diss., Toulouse, INSA, 2014. http://www.theses.fr/2014ISAT0049.
Full textThe primary function of sewage networks, with a view to protecting public health, is to collect wastewater and convey it to wastewater treatment plant. Under specific operating conditions leading to the production of hydrogen sulfide (H2S), major deterioration of concrete infrastructures is observed in the gas phase of these same networks. Studies have shown that an H2S environment leads to the selection, in contact with cement walls, of bacteria enable oxidizing reduced sulfur compounds (sulfo-oxidizing bacteria), biological oxidation leading to the production of acid and sulfate. In the context of the "NF EN 598" standard for ductile cast iron pipes and the "NF EN 14647" standard requiring the validation of coatings that can be used in such conditions using purely chemical tests that are not very representative of reality, LISBP, in partnership with Saint-Gobain PAM, carried out this Phd work with the industrial objective of developing a biodeterioration test for cementitious materials.To meet this objective, this research project was based on a literature review of the phenomena involved in the biodeterioration of cementitious materials in wastewater networks, with a view to proposing a model experimental set-up for the coupled study, on the scale of an industrial pipe section, of the biological and chemical transformations determining the fate of the cementitious materials used. This study was based on experimental laboratory work and the development of numerical models, aimed at selecting and understanding biogenic acid-producing sulfo-oxidizing bacteria. Finally, 2 types of cementitious materials were exposed and studied afer exposure by analysis of the chemical, mineralogical and microstructural evolutions of the tested materials. In this way, a model system was proposed, defining an experimental set-up (associated analytical techniques) and methods for exploiting the measurements. With this approach, a new test protocol is proposed, helping to assess the resistance of cementitious coatings used in sewer networks to biogenic acid attack. This three-month test protocol will ultimately provide a decision-making aid for the management of existing wastewater networks and the design of future networks
Hajj, Chehade Mohamad. "Biodétérioration de mortiers armés par Acidithiobacillus thiooxidans." Thesis, Lille 1, 2010. http://www.theses.fr/2010LIL10183/document.
Full textThe aim of this PHD is to study the biodeterioration of reinforced mortar by bacteria of the gender A. thiooxidans known for its fast alteration of mortar and concrete in sewer system. The objectives of this study consisted on the development of a new experimental device that allow on one hand to understand and quantify the different biological, chemical and physical mechanisms that may take place in concrete biodeterioration, and on the other hand to serve as basic reactor for an accelerated biodeterioration test allowing the discrimination of new reinforced mortar formulations mainly Portland cement (OPC) and calcium aluminate cement (CAC) formulations. The experimental device consists of a biolixivation of reinforced mortar by a A. thiooxidans bacterial suspension at pH lower than 2. A study of growth conditions of A. thiooxidans in a specific media for this bacterial strain was necessary to procure a reproducible biolixivation essay. At the end of the biolixiviation test the CAC and OPC mortar presented different mineralogy deteriorated zones. One deeply distorted zone in contact with bacterial suspension, a second intermediate zone less damaged than the first one and the cement untouched core. An estimated attack index confirmed that CAC mortars are much more resistant to biodeterioration than OPC cement. Hence the performed biolixivation essay helped to evaluate the performance of various cementitious material formulations in order to prevent biodeterioration by A. thiooxidans. Electrochemical analysis of mortar incorporated armatures demonstrated that CAC mortar composition shows a more protective effect than OPC cement displaying lower corrosion intensity
Hondjuila, Miokono Eminence Dorelle. "Biodétérioration de mortiers avec une succession de bactéries sulfo-oxydantes neutrophiles et acidophiles." Thesis, Lille 1, 2013. http://www.theses.fr/2013LIL10017/document.
Full textBiodeterioration of mortars was investigated in a specific test implementing Halothiobacillus neapolitanus as neutrophilic sulfur-oxidizing bacteria (SOB) and Acidithiobacillus thiooxidans as acidophilic SOB. This test has allowed achieving into laboratory a bacterial succession as observed in the sewer pipes. The originality of this test results from the multidisciplinary approach that considers the impact of the mortar on the BSO, the chemical and microstructure evolution of the mortar. The intensity of the attack was defined by an attack index (AI) which takes into account the sulfuric acid production of SOB, the chemical elements leaching by mortar and it physical evolution. Whatever the BSO considered, mortar made from calcium aluminate cement (CAC) has a better resistance than the Portland cement mortar (OPC), therefore a smaller AI. The best performance of the CAC mortar, more pronounced with H. neapolitanus, could not be connected to the higher release of aluminum in solution. By cons, it has been shown that in the presence of CAC mortar, H. neapolitanus decreases faster the pH of the medium to 3 and accumulates tetrathionate and sulfur in solution. This accumulation induces less acid biogeneration, from where the slightest mortar attacks. Thus, the performance of the CAC mortar is mainly due to its resistance to biodeterioration during neutrophilic stage when the attack is weak. To estimate the potential performance of mortar formulations, it seems preferable to experiment with H. neapolitanus instead of A. thiooxidans as commonly used
Dalod, Estelle. "Influence de la composition chimique de mortiers sur leur biodétérioration par les algues." Thesis, Saint-Etienne, EMSE, 2015. http://www.theses.fr/2015EMSE0777/document.
Full textThe fouling of building-facade is caused by a main aesthetic phenomenon of biological weathering. The natural weathering favors the micro-organisms development. The biofouling kinetics depends on several parameters such as geographical situation, environmental conditions and physicochemical parameters of substrates. The main objective of this study is to highlight the influence of the mortar chemistry in relationship with its physical properties on the algal growth. The biofouling kinetics was followed on samples exposed outdoor and on samples tested in a laboratory bench which consists in spraying an algal culture on mortar specimens. In order to characterize the influence of the mortar chemistry on biofouling, two Portland cements (OPC) and two calcium aluminate cements (CAC) were tested. The influence of roughness, porosity and carbonation was also studied. The green algae Klebsormidium flaccidum were chosen for the accelerated laboratory tests because of its representativeness. The results obtain in laboratory and in situ show that CAC based mortars slow down the colonization kinetics compared to OPC based mortars. When porosity increases the biofouling kinetics increases and the effect of the mortars chemical composition is largely hidden. The carbonated mortars biofouling is achieved more quickly than uncarbonated ones especially for OPC based mortars. Finally, the rough surfaces are colonized faster whatever formulation tested. This parameter is mostly highlighted for in situ tests
Wiktor, Virginie. "Biodétérioration d'une matrice cimentaire par des champignons : Mise au point d'un test accéléré de laboratoire." Phd thesis, Ecole Nationale Supérieure des Mines de Saint-Etienne, 2008. http://tel.archives-ouvertes.fr/tel-00300262.
Full textLe but de cette étude est de développer un test accéléré de laboratoire pour étudier la biodétérioration d'une matrice cimentaire par des champignons. L'étude de la biodétérioration nécessite une approche pluridisciplinaire. Dans un premier temps, ce travail a été abordé d'un point de vue purement « micro-organismes ». Cela a permis d'identifier et de définir les paramètres optimums de culture et croissance fongique. Dans un second temps, l'attention s'est portée sur la préparation d'une matrice cimentaire compatible avec le développement fongique. Enfin, les deux approches ont été combinées permettant l'étude de la croissance des micro-organismes sur le matériau.
Le test développé a permis d'obtenir un développement fongique rapide sur des éprouvettes en ciment. Les résultats obtenus ont notamment mis en évidence le rôle fondamental joué par le pH de surface sur le développement microbien. Les résultats montrent qu'il ne peut y avoir de développement microbien sans un vieillissement préalable du matériau. D'un point de vue de la biodétérioration, le test développé a permis d'observer et de mettre en évidence la biodétérioration esthétique et physique principalement. Les résultats ont également montré la nécessité de ne pas se limiter aux observations au microscope pour étudier la biodétérioration. Bien que ces observations mettent en évidence la biodétérioration esthétique, elles sous-estiment l'étendue réelle de la colonisation microbienne. La coloration PAS révèle l'étendue de la colonisation microbienne sur et dans la matrice. De plus, les observations au MEB ont permis d'identifier des formes caractéristiques de bactéries, confirmant les observations au stéréomicroscope et après coloration.
Grandclerc, Anais. "Compréhension des mécanismes de biodétérioration des matériaux cimentaires dans les réseaux d'assainissement : étude expérimentale et modélisation." Thesis, Paris Est, 2017. http://www.theses.fr/2017PESC1089/document.
Full textImportant deteriorations have been observed in concrete sewers, due to hydrogen sulfide (H2S) presence. H2S is used as nutrients for sulfur-oxidizing bacteria (bacteria able to oxidize the reduced sulfur compounds) and is oxidized into sulfuric acid. This acid attack of concrete leads to cementitious matrix dissolution and expansive products formation (gypsum and ettringite). This phenomenon disturbs the sewer system and conducts to expensive works of rehabilitation. In order to avoid this degradation, a French project named “FUI Duranet” was initiated to propose more efficient solutions. The aim of this thesis is to define a representative and accelerated test as well as a predictive model.Abiotic tests allow stating that this first stage of the biodeterioration mechanisms is not the limiting stage. Indeed, the adapted surface pH of the cementitious materials to bacteria development is quickly reached with a high H2S concentration (100 ppm), whatever the cementitious materials considered (mortars based on CEM I, CEM III, CEM IV, CEM V, CAC, and SSC cements). The chemical-transport modeling of the sulfuric acid attack of cementitious materials and the establishment of a representative and accelerated test have been proposed to predict their service life in these conditions. For the test, different seeding technics have been compared in order to determine which one lead to the better reproduction and acceleration of biodeterioration mechanisms. This test allows recommending the sludge use, which contains a microorganism’s consortium, rather than a collection strain use, whose activity is too dependent on environmental conditions. With the experimental test and the model, the better resistance of the calcium aluminate cement and the important degradation of the Portland cements are quickly confirmed, as highlighted during the field tests
Barboux, Rony. "Biodétérioration du bois dans les bâtiments historiques : biodiversité microbienne et évaluation in vitro de traitements alternatifs." Thesis, Cergy-Pontoise, 2019. http://www.theses.fr/2019CERG1012.
Full textFungal contamination is a major problem for art and historical monuments conservation. The thesis work aims to study microbial diversity associated with biodegradation of wood in historic buildings in a context of development of alternative treatments to current treatments. Various historical monuments will be included in the study including the Pavilion de la Muette in the forest of Saint Germain en Laye. Microbial biodiversity will be apprehended by conventional culture approaches and by molecular biology approaches. The sensitivity to antifungal agents of reference, biocide commonly used in treatment of buildings and natural molecules (essential oils, tannins, etc.) will be studied on the fungal strains isolated from contaminated monuments. The antimicrobial action will be apprehended by growth inhibition and quantification imaging to describe the morphological effects. Application of biocontrol strategies for the development of wood-destroying fungi will be evaluated in vitro with different microorganisms described as having this type of activity (Bacillus strains of Trichoderma). The treatments will be evaluated according to laboratory reference testing. Different associations of treatments will be performed to find synergistic or additive effects. The overall goal is to bring new data on wood-destroying fungi and their biodiversity and to pave the way towards the development of innovative timber treatment applicable to heritage preservation
Herisson, Jean. "Biodétérioration des matériaux cimentaires dans les ouvrages d’assainissement – Etude comparative du ciment d’aluminate de calcium et du ciment Portland." Phd thesis, UNIVERSITE PARIS-EST, 2012. http://tel.archives-ouvertes.fr/tel-00911713.
Full textHerisson, Jean, and Jean Herisson. "Biodétérioration des matériaux cimentaires dans les ouvrages d'assainissement : étude comparative du ciment d'aluminate de calcium et du ciment Portland." Phd thesis, Université Paris-Est, 2012. http://tel.archives-ouvertes.fr/tel-00780619.
Full textHerisson, Jean. "Biodétérioration des matériaux cimentaires dans les ouvrages d'assainissement : étude comparative du ciment d'aluminate de calcium et du ciment Portland." Thesis, Paris Est, 2012. http://www.theses.fr/2012PEST1135/document.
Full textThe need for renovation of sewer networks in major cities and the necessity to build new structures lead managers of sewer pipe and manufacturers to seek for solutions for sustainable sanitation. 9% of damages encountered in these structures can be attributed to the biodeterioration of cementitious materials. This study has two main objectives. The first one is to develop an accelerated reproducible laboratory test that gives results similar to those obtained on site. The second is to study the biodeterioration of cementitious materials in order to better understand mechanisms and more especially the difference in behavior between materials based on calcium aluminate cement (CAC) and ordinary Portland cement (OPC). Within this framework, different cement formulations were exposed in situ to identify the parameters influencing biodeterioration. Meanwhile, laboratory experiments were conducted to better understand each step of the mechanism of biodeterioration. Results of on site exposition show that materials based on CAC have a greater durability than other cement formulations. Laboratory studies assign these best performances to the aluminum content which inhibits the growth of microorganisms while protecting the matrix by precipitation of a hydrated alumina layer in the porosity and on the surface of these materials. This layer maintains the pH at 3.5-4. Surface chemistry was shown to play an important role in catalizing abiotic oxidation of H2S. The results of on-site exhibitions and various laboratory tests were used to develop an accelerated test giving promising results
Books on the topic "Biodétériorations"
Lemaitre, Christian, Nadine Pebere, and Dominique Festy. Biodétérioration des matériaux. EDP Sciences, 1998. http://dx.doi.org/10.1051/978-2-7598-0237-1.
Full textLors, Christine, Françoise Feugeas, and Bernard Tribollet. Interactions Matériaux-Microorganismes: Bétons et Métaux Plus Résistants à la Biodétérioration. EDP Sciences, 2021.
Find full textBook chapters on the topic "Biodétériorations"
Hilaire, Didier. "Chapitre . Biodétérioration des polymères." In Biodétérioration des matériaux, 103–14. EDP Sciences, 1998. http://dx.doi.org/10.1051/978-2-7598-0237-1.c010.
Full textRoux, Sébastien. "13 Biodétérioration des bétons." In Interactions Matériaux-Microorganismes, 283–302. EDP Sciences, 2020. http://dx.doi.org/10.1051/978-2-7598-2112-9-015.
Full textRoux, Sébastien. "13 Biodétérioration des bétons." In Interactions Matériaux-Microorganismes, 283–302. EDP Sciences, 2020. http://dx.doi.org/10.1051/978-2-7598-2112-9.c015.
Full text"Chapitre 9 : Microbiological methods for the study of biocorrosion." In Biodétérioration des matériaux, 127–44. EDP Sciences, 1998. http://dx.doi.org/10.1051/978-2-7598-0237-1.c012.
Full text"Liste des auteurs et correcteurs." In Biodétérioration des matériaux, iii—iv. EDP Sciences, 1998. http://dx.doi.org/10.1051/978-2-7598-0237-1.c001.
Full text"Frontmatter." In Biodétérioration des matériaux, i—ii. EDP Sciences, 1998. http://dx.doi.org/10.1051/978-2-7598-0237-1.fm.
Full text"Sommaire." In Biodétérioration des matériaux, ix—x. EDP Sciences, 1998. http://dx.doi.org/10.1051/978-2-7598-0237-1.toc.
Full textCrolet, Jean-Louis. "Chapitre 18 : Biodétérioration dans l’industrie pétrolière." In Biodétérioration des matériaux, 267–80. EDP Sciences, 1998. http://dx.doi.org/10.1051/978-2-7598-0237-1.c021.
Full textNoël, Didier. "Chapitre 20 : Étude de cas de corrosion bactérienne dans les industries nucléaires." In Biodétérioration des matériaux, 295–306. EDP Sciences, 1998. http://dx.doi.org/10.1051/978-2-7598-0237-1.c023.
Full text"Adresses des auteurs." In Biodétérioration des matériaux, 307–10. EDP Sciences, 1998. http://dx.doi.org/10.1051/978-2-7598-0237-1.c024.
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