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J. Cent. South Univ. (2021) 28: 866-881 DOI: https://doi.org/10.1007/s11771-021-4632-y Horizontal trap-door investigation on face failure zone of shield tunneling in sands LIU Xue-yan(刘学彦)1, FANG.... The test system can be used to investigate both the longitudinal and cross sections of the face failure simultaneously at one single apparatus and was employed to perform face stability tests on small......
Energy analysis of face stability of deep rock tunnels using nonlinear Hoek-Brown failure criterionZHANG Jia-hua(张佳华), LI Yong-xin (李永鑫), XU Jing-shu (许敬叔) (School of Civil Engineering, Central South University, Changsha 410075, China)Abstract:The nonlinear Hoek-Brown failure criterion was introduced to limit analysis by applying the tangent method. Based on the failure mechanism of double......
Influence of intermediate principal stress on failure mechanism of hard rock with a pre-existing circular openingZHANG She-rong(张社荣)1, SUN Bo(孙博)1, 2, WANG Chao(王超)1, YAN Lei(严磊)3, 4(1. State Key... of the magnitude and direction of the intermediate principal stress on failure mechanism of hard rock with a pre-existing circular opening were studied by carrying out true triaxial tests on siltstone......
Energy analysis of stability of twin shallow tunnels based on nonlinear failure criterionZHANG Jia-hua(张佳华), XU Jing-shu(许敬叔), ZHANG Biao(张标) (School of Civil Engineering, Central South University, Changsha 410075, China)Abstract:Based on nonlinear Mohr-Coulomb failure criterion, the analytical solutions of stability number and supporting force on twin shallow tunnels were derived using upper......
J. Cent. South Univ. Technol. (2008) 15: 888-894 DOI: 10.1007/s11771-008-0162-0 Simulation of failure process of jointed rock ZHANG Xiu-li(张秀丽)1, JIAO Yu-yong(焦玉勇)1, ZHAO Jian(赵 坚)2 (1...; Abstract: A modified discontinuous deformation analysis (DDA) algorithm was proposed to simulate the failure behavior of jointed rock. In the proposed algorithm......
J. Cent. South Univ. (2016) 23: 2230-2241 DOI: 10.1007/s11771-016-3281-z Remaining useful life estimation based on Wiener degradation processes with random failure threshold TANG Sheng-jin(唐圣金), YU... RUL estimation, the randomness of the failure threshold has not been studied thoroughly. In this work, by using the truncated normal distribution to model random failure threshold (RFT), an analytical......
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J. Cent. South Univ. (2021) 28: 1857-1874 DOI: https://doi.org/10.1007/s11771-021-4735-5 Energy evolution mechanism and failure criteria of jointed surrounding rock under uniaxial compression LI... the energy evolution mechanism and failure criteria of cross-jointed samples containing an opening during deformation and failure based on the uniaxial compression test and rock energy principle......
J. Cent. South Univ. (2016) 23: 3312-3321 DOI: 10.1007/s11771-016-3397-1 Model test to investigate failure mechanism and loading characteristics of shallow-bias tunnels with small clear distance LEI..., a tunnel excavation simulation testing system under typical unsymmetrical loading conditions was established. Using this system, the failure mechanism of surrounding rock of shallow-bias tunnels......
J. Cent. South Univ. Technol. (2008) 15: 100-105 DOI: 10.1007/s11771-008-0020-0 Numerical method of slope failure probability based on Bishop model SU Yong-hua(苏永华), ZHAO Ming-hua... synchronously. An engineering example was analyzed by the method. The result shows its absolute error is only 0.78% as compared with accurate solution. Key words: Bishop mechanical model; failure......