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Evolution of mechanical properties and acoustic emission characteristics of granite with normal stress under true triaxial shear test [PDF]
Scientific ReportsShear failure is a typical failure mode of surrounding rock in underground excavations. The mechanical properties and damage evolution characteristics of rock under true triaxial shear conditions are essential for stability evaluation and monitoring ...
Jizhe Guo +7 more
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Calculation method and evolution rule of the strain energy density of sandstone under true triaxial compression [PDF]
Scientific ReportsDeep rock masses are typically in complex stress states, and research on the evolution of their strain energy density is of highly important for understanding their failure characteristics.
Liu Zhixi +3 more
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Deformation, fracture characteristics and damage constitutive model of soft coal under true triaxial complex stress paths. [PDF]
PLoS ONEUnderstanding the mechanical properties and damage deterioration mechanisms of soft coal under true triaxial complex stress paths is crucial for predicting and evaluating the stability of the roof during roadway excavation in thick soft coal seams.
Chongyang Jiang +3 more
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Journal of Rock Mechanics and Geotechnical Engineering, 2023 The study of clastic rock failure evolution under true triaxial stress is an important research topic; however, it is rarely studied systematically due to the limitation of monitoring technology.
Feiyan Wang +3 more
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Lithosphere, 2022 As coal mining depth is over 1000 m, an overstressed effect is commonly observed around working face which shows a higher stress than the ultimate strength of the coal mass.
Guang-an Zhu +4 more
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Meitan xuebao, 2023 Deep coal is mostly in a three-dimensional unequal stress state. In order to study the dynamic characteristics of coal under impact load, the dynamic failure mechanics experiment of coal was carried out by true triaxial Hopkinson experimental system ...
Rongxi SHEN +5 more
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A true triaxial strength criterion for rocks by gene expression programming
Journal of Rock Mechanics and Geotechnical Engineering, 2023 Rock strength is a crucial factor to consider when designing and constructing underground projects. This study utilizes a gene expression programming (GEP) algorithm-based model to predict the true triaxial strength of rocks, taking into account the ...
Jian Zhou +3 more
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Simulation of thermal creep under true triaxial conditions based on TTS constitutive model
Shenzhen Daxue xuebao. Ligong ban, 2023 Monotonic and cyclic thermal loading significantly affect the axial and radial deformation, and lateral pressure coefficient of soil under true triaxial conditions, which poses new challenges to the crack resistance, settlement control and bearing ...
LIU Ziqi, CHENG Xiaohui
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Advances in Civil Engineering, 2021 To explore the mechanical properties of concrete under true triaxial static compressive load after sulfate attack, uniaxial static compression test and true triaxial static compression test at four stress ratios were carried out on concrete specimens ...
Wei Xia, Erlei Bai, Jinyu Xu, Gaojie Liu
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Frontiers in Materials, 2023 Cracks in rock masses have adverse effects on their mechanical characteristics and the stability of rock mass engineering. For this experiment, uniaxial compression and true triaxial compression unloading tests were conducted on mortar specimens.
Xuwei Pan +4 more
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