... collected from Aso volcanic region, Japan. And correlations between measured physical properties have been discussed. Both thermal conductivity and P-wave velocity were found to decrease with increasing porosity. And thermal conductivity presented a tendency to increase as P-wave velocity increased, while...

... europe government geological subdiscipline geology simulation prediction subsurface storage reservoir characterization boundary injection node porosity permeability simulator icgt numerical modelling variation vahedifard induced seismicity caprock 15th ISRM Congress 2023 & 72nd...

... ABSTRACT: Relationship between thermal conductivity and porosity in sedimentary rocks are required for understanding the fundamental characteristics of rock thermal property in geoscience and geoengineering areas. To examine the relationship by laboratory experiments, we used core samples...

... moisture. These results correspond to a first incursion on assessing high temperature influence on rock mass stability. geology specimen silicate x-ray computerized tomography mineral portugal government porosity cambridge university press recurso minerais zhang geologist europe...

... ABSTRACT: Conventional triaxial compression tests were conducted on dry cylindrical samples of three silicate and three carbonate rocks with porosities in the range 0.3%-24.0%, and confining pressures 0-70 MPa, in order to determine the constant m i of the Hoek-Brown criterion for intact rock...

... ABSTRACT: The formation and evolution of deformation bands in a carbonate rock with high porosity is investigated by performing in situ triaxial experiments with high-resolution synchrotron X-Ray Computed Tomography by placing a specifically designed testing device directly in the tomograph...

...–Pleistocene sedimentary rocks taken from a forearc basin located at a subduction zone. Consolidation yield stress almost increased as porosity decreases, however consolidation yield stress has variation in same porosity and it was increased with depth of sampling point, that indicates the consolidation line...

... the minerological constitutents. Some samples were prepared from large pieces of stromatolites to determine physical properties such as density, porosity, elastic wave velocity, mechanical properties such as Brazilian Tensile Strength (BTS), 3-Point Bending Tensile Strength and Uniaxial Compression Strength (UCS...

... porosity international journal new south wale figure 2 sedimentary rock structural geology metals & mining gurson rock mechanic university deterioration discontinuity ijrmm 15th ISRM Congress 2023 & 72nd Geomechanics Colloquium. Schubert & Kluckner (eds.) © ÖGG Simulating...

... interface itz underground space technology porosity mechanism microstructure substrate 15th ISRM Congress 2023 & 72nd Geomechanics Colloquium. Schubert & Kluckner (eds.) © ÖGG Influence of rock crystal structure on bond strength at the rockshotcrete interface Kunze Li, Hamed Lamei Ramandi, Chengguo...

..., porosity and elastic modulus. The segmentation-less method is divided into two categories: one assigns the properties to each voxel based on observed knowledge of the relationship between the target density and CT values (the segmentation-less method with target) (Goldfarb et al. 2022) and another...

... ABSTRACT: The extent of the porosity of different source rocks may vary with their composition, weathering of the bedrock etc. To determine the further use of source rocks, it is necessary to understand and describe their physicochemical properties. Complex textural analyses of source rocks...

... for nuclear waste disposal or in other engineering and industrial applications where the knowledge of granite thermal degradation can be very important due to the changes of original low native porosity/permeability and high integrity. In the past, high temperature treatment has been demonstrated as having...

... (Argentina). To analyze the feasibility of storing CO 2 in the reservoir layer, this research studies the evolution of the rock's porosity and mechanical properties, using samples obtained from outcrop. With this aim, a series of tests such as Mercury Intrusion Porosimetry, X-Ray Fluorescence, and Uniaxial...

... and calcite control the rocks physico-mechanical properties. Additionally, it is described that the cracking of the limestone is due to a loss of mass introduced by CO 2 emission during decomposition of CaCO 3 . The cracking increases during thermal cycling causing an increase in open porosity and a decrease...

... be reconciled with the environment to which it’ll be exposed, so that, in experimental time scale, it's feasible to observe aspects of increasing alteration and modification in properties. In a weatherability study of a metamorphosed hydrothermalized basalt with very low initial porosity, an accelerated cycling...

... material, and hence also, of the rockmass being modelled. strength tensile strength upstream oil & gas expression nomogram structural geology variability marino reservoir characterization rocktype figure 6 rock mechanic interlock kurtosis richard equation figure 2 porosity...

... Gerais state, Brazil, in order to allow its geomechanical characterization. The methodology followed the standards suggested by ISRM. Characterization tests were performed for physical indexes (porosity, specific mass and absorption capacity) and wave propagation velocity. Mechanical tests comprise Point...

... strength. Thus, three tests were performed for this correlation: the point load test, the Schmidt hammer hardness test, and the sonic velocity test. A characterization of physical parameters of these rocks, through the determination of the dry density, porosity and water absorption was also performed...

... Abstract The density, porosity and mechanical properties from uniaxial compression and Brazilian tests along with measurements of the P- and S-wave velocities in axial and two lateral directions at unloaded state and at increasing axial load were conducted on cylindrical cores of veined gneiss...