... at 30° to the loading direction suggest the CD stress envelope may be slightly lower under unloading conditions than under loading conditions. reservoir geomechanics strength correspond health & medicine specimen mining science reservoir characterization international journal...

..., it has been pointed out that the joint surface of the specimen is damaged due to an increase in shear load due to the normal load, resulting in a lower shear strength than the direct shear test (Zhao and Zhou, 1992). health & medicine roughness displacement upstream oil & gas reservoir...

... modeling scenarios like excavations, roof stability, underground pillar design, and other scenarios that cannot be tested in a laboratory. health & medicine peak friction angle confinement reservoir characterization bbm upstream oil & gas heterogeneity cohesion bonded block model...

... but were implicitly considered by assigning the equivalent material properties for the bedding planes in the model. metals & mining coal bed methane reservoir characterization hydraulic fracturing health & medicine coal seam gas persistence simulation us government complex reservoir...

.... metals & mining upstream oil & gas reservoir geomechanics strength health & medicine scale effect rock-38 mpa simulation international journal specimen shale rock reservoir characterization wellbore design in-seam rock parting encryption mohamed coal mass model coal rib...

... advanced the preliminary design of the proposed tunnels and aided the geotechnical investigation plan. This visual representation of data as a design tool facilitated the multidisciplinary design of this project and will be used on large future projects. US government information Health...

... occurred in the instrumented future pillar average a higher energy than those on the excavation perimeter. Monitoring will continue through the complete development of the pillar, which is expected to require an additional 6-12 months. US government instrumented pillar Health & Medicine...

... Symposium Upstream Oil & Gas feasibility mechanism Reservoir Characterization Nelson Simulation rock joint rock mass Plaster failure mechanism jointed rock mass compression Health & Medicine artificial jointed rock mass artificial joint material hirschfeld rock material mechanics...

... specimen creep stage US government grain level creep test crack intensity Health & Medicine intensity constant stress state bulk density specimen boundary imaging technique crack propagation 1. INTRODUCTION Microscopic visualization of stress-induced fractures is imperative...

... and model reconstruction for underwater topography and rock mass surface. 1. INTRODUCTION diagnostic medicine Upstream Oil & Gas muddy water detection model reconstruction reconstruction real time system Reservoir Characterization topographic line topographic surface Health...

... friction MPa Health & Medicine state boundary surface strength decay Dieterich Geophy triaxial test sedimentary rock licl 1. INTRODUCTION The Finite Element Method (FEM) simulation of faulting has received an increasing attention in the last fifteen years (Wang, 2001, Zhao, 2004, Hu, 2004...

... a pillar retreat mine fails unstably, and although the modeling procedures are identical in each simulation, the application of different coal/rock interface parameters results in a different progression and magnitude of failure. energy release boundary strength metals & mining health...

... intelligent method algorithm health & medicine suwansawat gep method fuzzy logic gep Abstract The present study aims to apply intelligent method to predict settlement of tunnels. This method can be used for settlement prediction of tunnel future levels. Many parameters affect settlement...

... of tunnel lining were also carried out to verify the numerical results. Reservoir Characterization field test concrete type consumer health frequency identification Health & Medicine microtremor rock mass normal stiffness nature frequency Upstream Oil & Gas numerical simulation...

... and environmental requirement were analyzed by field test. The result showed that this method can complete accurate measurement of sediment thickness with only 0.01~0.09cm error and little effect on test environment. diagnostic medicine Wellbore Design Health & Medicine Reservoir Characterization...

... volumes. The cone shaped macropores were really not true cones but were truncated cones; the top ends of the cones did not come to a point but were cut-off so they had a flat top. Upstream Oil & Gas x-ray imaging Health & Medicine macropore Artificial Intelligence specimen velocity...

... excavations that have poor air circulation will be most susceptible to build up of toxic fumes. Upstream Oil & Gas air emission concentration groundwater level Health & Medicine Niosh US government migration excavation toxic fume manhole gas Bubble surface construction migrate...

... to two-dimensional problems yet. orientation melange application arrangement reservoir simulation artificial joint mechanical property interior block interface strength deformability contrast block-in-matrix material Health & Medicine block arrangement strength bim material...

... tomography pumice inclusion fluid intrusion test diagnostic medicine Upstream Oil & Gas migration linear attenuation coefficient ambient condition tuff specimen fluid migration Health & Medicine p-tunnel tuff lithic inclusion tuff atomic number Rock Mechanics Contributions...

... pressures to be administered from the hydraulic pump through flexible hoses to the intensifier where the pressure is increased six times to allow water inflation of the dilatometer. Reservoir Characterization radial distance consumer health Upstream Oil & Gas dilatometer Health...