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Article
A numerical study based on GBM3D-DEM model: Multi-level force chain analysis in dynamic flexural tensile strength test
The force chain network is the key information of rock materials under loading, which is close to the micro-scale cracking and macroscopic mechanical behavior of rocks. In this paper, a novel 3D grain-based mo...
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Article
Energy dissipation characteristics of high-temperature granites after water-cooling under different impact loadings
Studying the energy dissipation characteristics of high-temperature rock after cooling with water during geothermal drilling construction is crucial to improving rock crushing efficiency. The energy dissipatio...
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Article
Experimental study on the evolutions of normal stiffness of fractured granites after different temperature treatments
This study experimentally investigated the evolutions of normal stiffness of fractured granites after different temperature treatments. The influences of normal displacement (δn), initial aperture (b), temperatur...
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Article
Experimental investigation on mechanical behaviors of granites after high-temperature exposure
To investigate the influence of temperature on the physical, mechanical and acoustic emission characteristics of granites, uniaxial compression test, variable-angle shear test, acoustic emission signal monitor...
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Article
Physical and dynamic mechanical behaviors of marble after heat treatment in quasi-vacuum and air-filled environments
The dynamic mechanical properties of rock specimens after thermal treatment in the air-filled environment (AE: i. e., at the free surface) have been extensively investigated, yet they are rarely estimated in t...