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Auswahl der wissenschaftlichen Literatur zum Thema „Propriétés physiques des zone de failles“
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Zeitschriftenartikel zum Thema "Propriétés physiques des zone de failles"
Segla, Kossi Novinyo, Adzo Dzifa Kokutse, Kossi Adjonou, Patrick Langbour, Gilles Chaix, Daniel Guibal und Kouami Kokou. „CARACTÉRISTIQUES BIOPHYSIQUES DU BOIS DE PTEROCARPUS ERINACEUS (POIR.) EN ZONES GUINÉENNE ET SOUDANIENNE AU TOGO“. BOIS & FORETS DES TROPIQUES 324, Nr. 324 (17.03.2015): 51. http://dx.doi.org/10.19182/bft2015.324.a31266.
Der volle Inhalt der QuelleDOUGABKA, Dao, Jean GÉRARD, Tikri BIANZEUBE, Morgane DENDONCKER, Caroline VINCKE, Rémy MARCHAL, Daniel GUIBAL und Alban GUYOT. „Variations des caractéristiques physiques et mécaniques du bois de Balanites aegyptiaca en fonction de trois provenances“. BOIS & FORETS DES TROPIQUES 349 (15.09.2021): 7–21. http://dx.doi.org/10.19182/bft2021.349.a36776.
Der volle Inhalt der QuelleMoulouel, Hakim, Luca Micarelli, Isabelle Moretti und Djamel Machane. „Fracturation des carbonates dans la zone de faille normale active d’Aigion (Grèce) à partir des carottes du puits: conséquences sur les propriétés de transfert de fluides“. Bulletin de la Société Géologique de France 186, Nr. 6 (01.10.2015): 387–97. http://dx.doi.org/10.2113/gssgfbull.186.6.387.
Der volle Inhalt der QuelleMechiah, Fahima, Imane Boutelba und Noria Smail-Saadoun. „Vertical distribution and interannual variability of Glomeromycota of Atlas pistachio soils (Laghouat, Algeria) / Distribution verticale et variabilité interannuelle des Glomeromycota des sols sous pistachier de l’Atlas (Laghouat, Algérie)“. Ecologia mediterranea 48, Nr. 1 (2022): 21–31. http://dx.doi.org/10.3406/ecmed.2022.2138.
Der volle Inhalt der QuelleAzise Ayimele, Helen Epouse, Melisa Bijingisi und Samuel Ayonghe. „An assessment of the potability of groundwater from boreholes based on microbial quality and physical properties: case of Buea and Tiko Subdivisions, South West Region of Cameroon“. Journal of the Cameroon Academy of Sciences 16, Nr. 2 (27.01.2021): 147–63. http://dx.doi.org/10.4314/jcas.v16i2.6.
Der volle Inhalt der QuelleHanafi, Abdelhakim, und Djamel Alkama. „Vers la meilleure solution d’optimisation du confort thermique des places publiques de la ville de Biskra/Algérie“. Journal of Renewable Energies 22, Nr. 2 (06.10.2023): 189–204. http://dx.doi.org/10.54966/jreen.v22i2.737.
Der volle Inhalt der QuelleGarane, Ali, Somé Koussao, Mamoudou Traore, Mahamadou Sawadogo und Xésus Petrovich Pequenio. „Influence de l’itinéraire technique sur les propriétés physiques et hydriques du sol sous culture du blé tendre (Triticum aestivum L.) dans une rotation de «longue durée» dans la zone «non-chernozem» de la Fédération de Russie“. International Journal of Biological and Chemical Sciences 11, Nr. 2 (19.07.2017): 886. http://dx.doi.org/10.4314/ijbcs.v11i2.28.
Der volle Inhalt der QuelleClowes, Ron M. „Logan Medallist 5. Geophysics and Geology: An Essential Combination Illustrated by LITHOPROBE Interpretations–Part 2, Exploration Examples“. Geoscience Canada 44, Nr. 4 (19.12.2017): 135–80. http://dx.doi.org/10.12789/geocanj.2017.44.125.
Der volle Inhalt der QuelleIMASHAMA Bikoko, Laurent, Richard RISASI Etutu Lipaso, Matthieu TULANTSHIEDI Kena, Moïse BIKOKO Bikoko und Albert MUANYIMI Mikobi. „Effet de Tithonia diversifolia sur le rendement de maïs (Zea mays, L.) dans les conditions agro-écologiques de Benalongo dans le territoire de Mweka, Province du Kasaï Central“. Revue Congo Research Papers 1, Nr. 1 (05.10.2021). http://dx.doi.org/10.59937/jfxp1951.
Der volle Inhalt der QuelleMOREAU, Clémence, André EVETTE, Marylise COTTET, Adeline FRANÇOIS, Anne RIVIÈRE-HONEGGER, Stéphanie VUKELIC und Crescience LECAUDÉ. „Quels enjeux à relever pour accroître l’utilisation du génie végétal en territoire urbain ?“ Sciences Eaux & Territoires, Nr. 43 (23.10.2023). http://dx.doi.org/10.20870/revue-set.2023.43.7815.
Der volle Inhalt der QuelleDissertationen zum Thema "Propriétés physiques des zone de failles"
Lefèvre, Mélody. „Propriétés structurales, pétro-physiques et circulations de fluides au sein d'une zone de failles dans les argiles“. Thesis, Aix-Marseille, 2016. http://www.theses.fr/2016AIXM4320/document.
Der volle Inhalt der QuelleFault zones concentrate fluids migration and deformations in the upper crust. The shale hydraulic properties make them excellent storage sites and hydrocarbon reservoirs/source rocks. Fault zones can play two roles in the fluid circulation; drains or barriers, in general, both roles are combined within the same fault zone. What are the conditions that promote the fluid circulation along the fault zones in shales and what are the fault zone impacts on the formation properties are relatively poorly explored key questions. This study focused on characterizing the relationships between fault architecture, paleo-fluid as well as current fluid circulations through the analysis of fault calcite mineralization, injection tests and petrophysical properties conducted on a fault zone outcropping underground in the Tournemire research laboratory nested in the Toarcian shale. The fault zone structure was characterized using boreholes data and reconstructed in 3D through modeling to define different deformation facies. No clear facies organization is observed, a fault core and a fault damage zone being difficult to define as it is in hard rocks. The intact, fractured and breccia facies are characterized by a porosity of 9.5-13.5, 10-15 and 13-21%. Large fluid flowrate concentrated along a few “channels” located at the breccia boundaries and in the secondary fault zones that displayed fractured facies and limited breccia fillings. Detailed microstructural and geochemical analysis at the breccia/fractured zones interface revealed that fluids circulated out of the main shear zones, in micro-more or less inherited fractures highlighting a decoupling between fault slip and fluid migrations
Conin, Marianne. „Evolution des propriétés physiques des sédiments et des zones de failles du front de déformation à la zone sismogène : cas de la marge de Nankai“. Thesis, Aix-Marseille 3, 2011. http://www.theses.fr/2011AIX30027/document.
Der volle Inhalt der QuelleThis study is focused on the upper limit of the seismogenic zone in the Kumano transect of the Nankai margin in relation with the construction of the wedge. The first step was to determine the stress orientations and amplitude within the wedge from borehole breakouts analysis. We show the striking presence of a trench normal extension zone behind the splay fault in a wedge dominated by a strike-slip stress regime. Locally an extensional stress regime is also observed in the slope sediment of the outer part of the wedge. In a second part of this work, we used porosity corrected from water bound to clay minerals to study the compaction state of the sediments and to quantify the amount of erosion in the slope sediments. Results also highlight the existence of past erosion related to the activity of the splay fault. In a third part, the observation of deformation style within sediments showed that erosion could explain the distribution of dilatant and compactive structures within the wedge. Finally, we show, based on mechanical modeling, that the splay fault slow slip rate over the last million year, and the presence of an extension zone landward of the splay fault, could both be explained by a pause in the accretion and a weak décollement beneath the outer wedge
Flores, Cuba Joseph M. „Earthquake rupture around stepovers in a brittle damage medium“. Electronic Thesis or Diss., Sorbonne université, 2023. https://accesdistant.sorbonne-universite.fr/login?url=https://theses-intra.sorbonne-universite.fr/2023SORUS301.pdf.
Der volle Inhalt der QuelleStrike-slip fault systems consist of a variety of geometrical complexities like branches, kinks and step-overs. Especially, the presence of a step-over structure can strongly determine the final size of the earthquake rupture. Thus understanding the dynamics of a rupture through such a complexity is crucial for seismic hazard assessment. A few studies have looked at this question within the context of a linear elastic medium. However, during an earthquake off-fault damage is generated, especially at the ends of a fault, which significantly changes the overall dynamics of a rupture. Using a micromechanical model, that accounts for crack growth and opening and its impact on the dynamic evolution of elastic moduli, we evaluate how dynamic off-fault damage can affect the capability of a rupture to navigate through step-over fault structures. We show that, sometimes, accounting for this energy sink, off-damage suppresses the ability of the rupture to jump from one fault to another. Whereas, in some specific cases, the dynamically created low-velocity zone may aid the rupture to jump on the secondary fault. Combing this numerical study with an analytical analysis we set the contours for a systematic approach useful for earthquake hazard assessments
Chazelas, Jean-Louis. „Caractéristiques physiques et mécaniques locales du bois dans la zone des noeuds“. Clermont-Ferrand 2, 1990. http://www.theses.fr/1990CLF21231.
Der volle Inhalt der QuelleBonnelye, Audrey. „Etude des propriétés physiques et mécaniques des argilites : de la déformation en laboratoire aux failles naturelles“. Thesis, Cergy-Pontoise, 2016. http://www.theses.fr/2016CERG0858.
Der volle Inhalt der QuelleShales or clays are defined as rock having a large proportion of clay minerals. Their physical and mechanical properties are of interest for the study of the hydro-mechanical behavior of faults in the uppermost crust but also for the understanding of the cap rocks of hydrocarbon reservoirs or for the expertise of the durability of radioactive waste storage.This thesis proposes two complementary approaches to understand the organization of the deformation in this type of material, a first purely mechanical on undisturbed samples and the second focusing on the physical properties of deformed materials. During this thesis, we studied Tournemire shales (IRSN tunnel, Aveyron, France).The first part consists in triaxial tests. We determined the failure envelopes of three sets of core samples with different orientations with respect to bedding (0 °, 45 ° and 90 °). For each orientation, seven experiments were performed at different confining pressures (2.5, 5, 10, 20, 40, 80, 160 MPa). The influence of the strain rate was determined by comparing experiments with different strain rates extending over two orders of magnitude (between 〖10〗^(-7) s^(-1) and 〖10〗^(-5) s^(-1)). During the experiments, the P and S wave velocities were recorded from different angles with respect to the bedding to quantify the evolution of the anisotropy of the elastic properties according to the imposed stress.This section allows to highlight the importance of the orientation of bedding relatively to the principal stress applied on our samples. It is noted for example that the weakest orientation is 45 ° and 90 ° the strongest orientation. In addition, a micromechanical model based on the "wing crack" theory helps to explain the mechanical anisotropy of our argillites by the anisotropy of the fracture toughness K_Ic.Moreover, it is found that changes in the anisotropy of the elastic properties also depends on the bedding orientation. During compression, the 90 ° orientation has significant variations up to a reversal of the anisotropy, whereas the elastic wave velocities show little changes for 0 ° orientation. These variations were quantified by Thomsen parameters. The study of elastic velocities and of microstructures of our samples highlight the importance of the plastic processes such as reorientation of minerals during deformation.The second part consists of a petrophysical study (P wave velocities, ASM, density, saturation, porosity) of samples from a borehole drilled through a fault zone. The goal here is to quantify the variation of these properties as we approach the fault core.A protocol of sampling and measurement was established to realize a complete study of drillings. The protocol includes a first serie of measures directly in the field in order to overcome the problems linked to the preservation of samples (especially for porosity measurements / density / saturation). Subsequently, samples were taken for measurements both in the context of this thesis (P wave velocities and ASM), but also in other laboratories (study of the mineralogical composition, CT-scan).Three fault zones were identified from field observations:• An intact zone characterized by samples with no or very little fracturing• A damaged zone that includes a large number of calcified fractures• A fault core zone characterized by a complete breakdown (no apparent bedding) and color variations.Although these areas were determined on observation criteria, our study demonstrates an own physical signature for each zone of this fault with an important decrease in the anisotropy of the samples from fault core. In addition, bedding rotation with similar mechanisms to those observed at the microstructural scale during the experimental deformation was observed
Drilleau, Mélanie. „Une approche bayésienne pour estimer les propriétés physiques dans la zone de transition à partir des ondes de surface“. Nantes, 2013. http://www.theses.fr/2013NANT2014.
Der volle Inhalt der QuelleThe new tomographic methods involving 3-D kernel computations often use, as reference models, 3-D large wavelength VP , VS models obtained by linearized inversions. These models are based on small perturbations of 1-D global models and are secondly used to derive temperature and composition distributions. From a seismological point of view, the degree of heterogeneity in the transition zone (350- 1000 km depth), due to phase transitions and convective motions, can be strong enough that the concept of a 1-D reference seismic model might be addressed. A Markov chain Monte Carlo algorithm was implemented. This directly determines the statistical thermal state and anisotropic structure of the mantle from the dispersion data of Love and Rayleigh surface waves. Polynomial Bézier curves are chosen for the parameterization and are able to explore both smoothly varying models and first-order discontinuities. The solution is described in probabilistic terms, allowing uncertainties to be fully accounted for. The method is illustrated with both synthetic data and real dispersion curves. The results indicate a complex temperature distribution in the mid-transition zone beneath the Pacific Ocean. The retrieved anisotropy structure agrees with previous studies indicating positive uppermost mantle anisotropy. Considering few a priori conditions, the transition zone appears to be isotropic, along the investigated path
Porcar, Laureline. „Elaboration et propriétés physiques des composés Y1Ba2Cu3O(7-delta) texturés pour la limitation du courant“. Grenoble INPG, 1997. http://www.theses.fr/1997INPG0225.
Der volle Inhalt der QuelleMárquez, Costa Juan Pablo. „Caractérisation et modélisation des interfaces dans les composites organiques stratifiés à haute température : Application à la tenue au feu des structures aéronautiques PhyFire LOT 2 - Développement de modèles de comportement du composite Caractérisation en température de la ténacité en mode II des interfaces des CMO en utilisant l’effet Joule Caractérisation du comportement visqueux des interfaces CMO et influence sur la propagation de délaminage Convention PhyFIRE 2 - LOT 2 : Développement d’un cadre de modélisation pour les matériaux composites Durabilité des matériaux composites en conditions extrêmes : vers la prédiction des propriétés de tenue au feu Durability of Composite Materials under Severe Temperature Conditions : Influence of Moisture Content and Prediction of Thermo- Mechanical Properties During a Fire Towards the Prediction of Sandwich Composites Durability in Severe Condition of Temperature : A New Numerical Model Describing the Influence of Material Water Content during a Fire Scenario“. Thesis, Chasseneuil-du-Poitou, Ecole nationale supérieure de mécanique et d'aérotechnique, 2021. http://www.theses.fr/2021ESMA0004.
Der volle Inhalt der QuelleWithin the framework of the fire resistance of composite materials, it is necessary to assess the degradation of their thermal and mechanical properties due to mass losses, matrix cracking and/or delamination cracks. Nevertheless, few studies in the literature about the temperature resistance of aeronautical composites concern the mechanical behaviour and the rupture of interfaces before any thermal degradation,subject which is the main topic of this work. Thus, the objective is to propose a failure model concerning both the delamination crack initiation and growth under thermomechanical loads. Much of this work has focused on the characterisation of interface properties using an analysis of mode II crack propagation tests for Joule heated specimens. These numerical analyses show that the ply behaviour does not explain the macroscopic pseudo-ductile response observed experimentally. Thus, a test-calculation dialog method, comparing the kinematic fields measured by digital images correlation and those simulated by finite elements, underlines the importance of the viscous behaviour at the interface scale. By a similar FEMU approach the parameters of a cohesive-type fracture law have been identified in temperature and taking into account the different sources of uncertainty. This work highlights the similarity between plane and out-of-plane shearing, both on behaviour and on failure. In parallel, the analysis of temperature resistance tests by laser impact made it possible to establish a crack initiation criterion by a coupled stress and energy approach. A comparison of this criterion with the parameters of the cohesive zone law previously identified makes it possible to discuss about the modeling scale of the interface