Relying on a deep foundation pit project in Beijing, using FLAC3D three-dimensional finite-difference software simulation combined with displacement monitoring data verification method, the excavation and three-pile two-anchor rod support system anhydrous sand pebble stratum are systematically analyzed, summed up variation law of formation stress, internal force soil nail, axial bolt, stress pi...

The Ms 8.0 Wenchuan earthquake occurred on 12 May 2008, in the Sichuan Province of China, and it was accompanied by a series strong aftershocks. mechanisms contributing to triggering aftershocks have attracted international attention. In this paper, based previous analysis spatiotemporal distribution regarding pore pressure diffusion deep fluid, we established three-dimensional hydraulic–mechan...

In order to alleviate the relationship between mining and roadway, 3204 working face 3206 roadway in Shanxi Taitou coal mine are taken as an example, width of support parameters while reversing excavation under dynamic pressure optimized. The research includes field investigations, theoretical analysis, numerical simulation, tests. Based on characteristics roof fracture distribution pillar stre...

Coal gangue, as a solid waste produced in the coal mining process, can be disposed by being prepared into backfill materials and then filled underground goafs, thus controlling strata movement surface subsidence. However, gangue are non-continuous; therefore, research deformation induced should consider creep compression behavior of materials. The took panel Tangshan Mine (Tangshan City, Hebei ...

To study the coupled thermo-hydrologic-geomechanical processes and their influence on gas and nuclide transport in a two phase flow through the porous medium, a coupling of the thermo-hydrodynamic code TOUGH2 and the thermo-mechanic code FLAC3D is described and applied to analyze three dimensional gas, heat and nuclide transport in a repository for disposal of heat generating nuclear waste in a...