Results 31 to 40 of about 5,494,240 (282)
Geofluids, 2021 This manuscript studied the effects of variable axial pressure loading rate and variable confining pressure unloading rate on the deformation behavior and seepage characteristics of raw coal under alternate loading and unloading of axial pressure and ...
Kangwu Feng +3 more
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Contribution of social isolation, restraint, and hindlimb unloading to changes in hemodynamic parameters and motion activity in rats. [PDF]
PLoS ONE, 2012 The most accepted animal model for simulation of the physiological and morphological consequences of microgravity on the cardiovascular system is one of head-down hindlimb unloading.
Darya Tsvirkun +9 more
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Deformation and permeability of sandstone at different cycling loading-unloading rates
工程科学学报, 2017 In order to research the effect of cycling loading and unloading rates on the deformation and permeability of sandstone, cycling loading and unloading tests were performed with a self-made thermal-hydrological-mechanical coupling test system for gas ...
ZHAO Hong-gang +3 more
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矿业科学学报, 2020 Slope excavation rate has an important influence on slope stability.It is of great significance to study the deformation and failure characteristics of locked high-steep rock slope under different excavation unloading rates and the failure mechanism of ...
Wang Jianming +4 more
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Meitan kexue jishu, 2023 For the rock burst disaster problems caused by unloading disturbance of deep roadway excavation, the study on the deformation and fracture mechanism of roadway surrounding rock under different unloading conditions was carried out.
Xiaochun XIAO +4 more
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Effect of unloading rate and pore water pressure on mechanical properties of sandstone
Yantu gongcheng xuebao, 2017 In order to study the effect of discharge load rate and pore water pressure on the mechanical properties of sandstone, the triaxial unloading tests with different unloading rates (0.005, 0.02, 0.05 and 0.1 MPa/s) and different osmotic pressures (0, 0.3 ...
DENG Hua-feng , WANG Zhe , LI Jian-lin , JIANG Qiao , ZHANG Heng-bin
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Failure characteristics of Beishan granite under unloading confining pressures
Yantu gongcheng xuebao, 2019 To better understand the effects of unloading confining pressure on failure mechanism, several trial tests on loading axial stresses and unloading confining pressures with different unloading rates are performed, and acoustic emission events are recorded
WANG Chao-sheng 1, ZHOU Hong-wei 1, WANG Rui 1, WANG Zi-hui 1, HE Shu-sheng 1, LIU Jian-feng 2
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Case Studies in Construction Materials, 2023 Shear tests on sandstone containing non-connected joints under the unloading normal stress but fixed shear stress conditions were conducted with various initial normal stress and unloading rate.
Qian Yin +5 more
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Energy Science & Engineering, 2023 Coal burst is a serious hazard in deep coal mining. To investigate the coal burst proneness evolution during multiple mining disturbances (MMD), this paper implemented a range of uniaxial cyclic loading–unloading tests coupled with acoustic emission (AE)
Yang Liu +7 more
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THE PROPAGATION OF UNLOADING WAVES IN A ROD OF STRAIN RATE DEPENDENT MATERIAL.
, 1974 THE PROPAGATION OF UNLOADING WAVES IN A ROD OF STRAIN RATE DEPENDENT ...
WILLIAM TZE-CHUAN. LI (7984163)
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