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Article
Blast damage zone strength reduction method for deep cavern excavation and its application
The drill and blast (D&B) method is widely used to excavate underground spaces, but explosions generally cause damage to the rock. Still, no blast simulation method can provide computational accuracy and effic...
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Article
Stress Threshold Determination Method and Damage Evolution Modelling Based on Micritic Bioclastic Limestone
The surrounding rock and slope of the exit of the No. 1 drainage tunnel of the Artashi Water Conservancy Project exhibited unpredicted deformation during excavation. The rock was determined to be micritic bioc...
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Article
Experimental study on crack evolution behavior and constitutive model of granite based on the deviatoric stress to peak strength ratio
Rock crack evolution and propagation have an adverse effect on rock mass deformation and strength, so studying the crack evolution process is significant to rock engineering stability and safety. Tri-axial com...
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Article
Open AccessNonlinear statistical damage constitutive model of granite based on the energy dissipation ratio
The stress–strain curves and mechanical properties of Shuangjiangkou granite were obtained using five groups of conventional triaxial tests under various confining pressures using MTS815 rock test equipment. F...
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Article
Open AccessGAN inversion method of an initial in situ stress field based on the lateral stress coefficient
The initial in situ stress field influences underground engineering design and construction. Since the limited measured data, it is necessary to obtain an optimized stress field. Although the present stress fi...
