Results 21 to 30 of about 1,259,198 (268)
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
doaj +1 more source
International Journal of Mining Science and TechnologyZhi Zheng, Guang-Liang Feng, Qiang Zhang
exaly +2 more sources
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
doaj +1 more source
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
doaj +1 more source
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
doaj +1 more source
True Triaxial Study on Aeolian Sand Subgrade
Journal of Physics: Conference Series, 2021 Abstract The drained shear tests of aeolian sand in Tengger Desert were carried out by using the British GDS true triaxial apparatus, and the shear strength and stress-strain relationships of aeolian sand were studied under the conditions of constant average principal stress and different intermediate principal stress coefficients.
Chenyan Du, Zhigang Ma, Xuefeng Li
openaire +1 more source
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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On-sample water content measurement for a complete local monitoring in triaxial testing of unsaturated soils [PDF]
, 2012 To provide a complete local monitoring of the state of an unsaturated soil sample during triaxial testing, a local water content measurement device was adapted to a triaxial device comprising the measurement of local displacements (Hall effect ...
Cui, Yu-Jun +3 more
core +6 more sources