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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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Dynamic mechanical properties and failure criteria of concrete under true triaxial stress
Shuili Shuiyun Gongcheng Xuebao, 2021 The true triaxial compression tests under different stress ratios and different loading rates are conducted to study the static and dynamic mechanical properties of concrete structures under complex stress conditions.
XU Yuanyuan +5 more
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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
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Lithosphere, 2022 Coal bursts are one of the formidable hazards in underground coal mines, yet it is still not fully explored due to the complex stress environment that exists during mining.
Anye Cao +5 more
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Large-scale true-triaxial rock testing apparatus [PDF]
EPJ Web of ConferencesThe True-Triaxial Apparatus is designed to accommodate 30 x 30 x 45 cm rock specimens at the Institute of Geomechanics and Underground Technology (GUT), RWTH Aachen.
Cadmus Alexander, Fuentes Raul
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Strength and deformation properties of frozen sand under a true triaxial stress condition
Soils and Foundations, 2022 In recent years, the mechanical properties of frozen soils under complex stress states have attracted significant attention; however, limited by the test apparatus, true triaxial tests on frozen soils have rarely been conducted. To study the strength and
Kun Huang +3 more
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True triaxial tests on transversely isotropic unsaturated loess
Yantu gongcheng xuebao, 2022 In order to study the mechanical properties of transversely isotropic unsaturated remolded loess under complex stress paths, two groups of 15 tests are carried out using the true triaxial apparatus.
GUO Nan 1, CHEN Zheng-han 1, 2, YANG Xiao-hui 1, GAO Deng-hui 3
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Shuiwen dizhi gongcheng dizhiDuring the excavation process of deep rock masses, the surrounding rock stress field forms alternating zones of stress increase (loading zones) and stress decrease (unloading zones) near the excavation surface, which can easily trigger instability and ...
Qian XIANG +5 more
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Exponential true triaxial strength criteria for rock
Yantu gongcheng xuebao, 2018 The rock strength is the premise and foundation for stability evaluation of rock engineering and optimization design of structures. Based on the true triaxial test results, the evolution of rock strength are analyzed: (1) The rock strength increases with
ZHANG Qiang , LI Cheng , GUO Qiang , MIN Ming , JIANG Bin-song , WANG Yan-ning
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Advances in Materials Science and Engineering, 2018 The study of deformation, strength, and other mechanical characteristics of sandstone under true triaxial compression is significant for understanding failure mechanisms in rock and evaluating the stability of underground structures.
Zhaolin Li +4 more
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