Results 11 to 20 of about 521,909 (335)
矿业科学学报, 2023 In deep mining, coal-rock is in a state of three unequal forces, and the intermediate principal stress has the influence on the deformation and strength characteristics of coal-rock.
Wang Kai +4 more
doaj +1 more source
Research on Coal Mechanical Properties Based on True Triaxial Loading and Unloading Experiment
Advances in Civil Engineering, 2021 To study the safety issues caused by coal mine excavation, self-developed simulation of earth interior atmosphere and sound test system was used to perform true triaxial loading and unloading tests of coal.
Yanyan Peng +4 more
doaj +1 more source
Influence of Intermediate Principal Stress on Undrained Behavior of Intact Clay under Pure Principal Stress Rotation [PDF]
Mathematical Problems in Engineering, 2013 This study presents the accumulations of the excess pore water pressure and the deformation as well as the noncoaxial behavior of intact soft clay subjected to pure principal stress rotation. Series of tests were carried out by using a dynamic hollow cylinder apparatus to highlight the influence of intermediate principal stress parameterb. It was found
Jian Zhou +3 more
openaire +1 more source
Meitan xuebao, 2023 The intermediate principal stress and unloading have an important influence on the shear failure characteristics of rock. Based on the multifunctional true triaxial fluid-structure interaction test system, the loading and unloading failure tests of ...
Ze WANG +4 more
doaj +1 more source
Advances in Civil Engineering, 2020 A series of numerical experiments have been conducted to investigate the intermediate principal stress effects on rock failure behaviors. The numerical results show that the strength and deformation of the rock samples are significantly affected by the ...
Shuxin Deng +3 more
doaj +1 more source
Meikuang Anquan, 2021 In order to study the safety problems caused by coal mine excavation, the self-developed ground acoustic process simulation test system was used to carry out true triaxial loading and unloading tests of coal rock under different intermediate principal ...
PENG Yanyan, DENG Haoxiang, FAN Xiao
doaj +1 more source
Frontiers in Earth Science, 2023 Considering the intermediate principal stress effect of soils, the unified strength theory was applied to correct the shear strength index of soils.
Biao Zhang, Quanli Sun
semanticscholar +1 more source
Sustainability, 2022 The analytic solution for surrounding rock of roadway is of significance for stability analysis and roadway support. However, analytical solution for surrounding rock of roadway which took influences of water seepage, strain softening, dilatancy and ...
Zhigang Yuan +4 more
semanticscholar +1 more source
Meikuang Anquan, 2020 In order to study the influence mechanism of intermediate principal stress on surrounding rock deformation of soft rock roadway, taking the soft rock transportation lane of II1053 working face of Zhuxianzhuang Mine in Huaibei Mining Area as the ...
LIU Qinjie, FU Qiang, NI Huining, CHI Xiaolou, WEI Zhen
doaj +1 more source
Journal of Rock Mechanics and Geotechnical Engineering, 2023 The rock fracture characteristics and principal stress directions are crucial for prevention of geological disasters. In this study, we carried out biaxial compression tests on cubic granite samples of 100 mm in side length with different intermediate ...
Longjun Dong +4 more
doaj +1 more source