Titlebook: Rock Physics and Natural Hazards; Sergio Vinciguerra,Yves Bernabé Book 2009 Birkh?user Basel 2009 Earthquake.fault.mechanical properties o

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Acoustic Emissions Monitoring during Inelastic Deformation of Porous Sandstone: Comparison of Threeduction operations can be sufficient to cause inelastic deformation and irreversible damage. Rock formations can undergo deformation by different mechanisms, including dilatancy or pore collapse. In the laboratory, it has been shown that the inelastic deformation and failure mode of porous rocks are

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Compaction and Failure in High Porosity Carbonates: Mechanical Data and Microstructural Observatione. The composition, grain size and pore surface area of these rocks were determined. Hydrostatic compression experiments were performed under dry and wet conditions beyond the onset of grain crushing. A significant water weakening effect was observed in both rocks. A set of conventional triaxial exp

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Stress Transfer During Pressure Solution Compression of Rigidly Coupled Axisymmetric Asperities Preemi-infinite solid. The dissolution rate at any point along the contact and at any time . was determined by (1) computing the normal stress distribution from the current shape of the asperity, and (2) solving the diffusion equation inside the fluid-saturated solid-solid interface, including local di

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Common Evolution of Mechanical and Transport Properties in Thermally Cracked Westerly Granite at Eltrength, elastic and mechanical anisotropy, and the enhancement of transport properties. Using a Non-Interactive Crack Effective Medium (NIC) theory as a fundamental tool, we show that elastic wave dispersion can be inverted to evaluate crack density as a function of temperature and is compared with

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Microstructural Investigation of Naturally Deformed Leucogneiss from an Alpine Shear Zone (Southernllected within a ductile shear zone outcropping in Calabria (southern Italy) was investigated. Based on the microstructural approach and matrix-clast relationships, the method applied here may be useful for appraising the connection between deformation mechanisms of constituent minerals and bulk tex

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Laboratory Characterization of Permeability and Its Anisotropy of Chelungpu Fault Rocks,ertical holes (A and B) to depths of about 2 km have been drilled through the northern portion of the Chelungpu fault system. In this study, we conducted systematic hydromechanical tests on TCDP drillcores collected from Hole-A at various depths above and below the major slip zone of the Chelungpu f