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Short-term and creep tests for saturated red sandstone under different pore pressures were carried out by a rock servo-controlled triaxial equipment. Based on the experimental results, the influences of confining pressure and pore pressure on short-term mechanical behavior of red sandstone are firstly analyzed. The results show that the peak strength of dry red sandstone increases with the confining...
Particle flow code (PFC 2D ) was adopted to carry out a discrete element modeling (DEM) for the fracture coalescence behavior of red sandstone specimens containing two unparallel fissures under uniaxial compression. The numerical micro-parameters of red sandstone were firstly validated from the experimental results of intact specimen, and were then checked with the experimental results for...
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