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J. Cent. South Univ. Technol. (2010) 17: 836-844 DOI: 10.1007/s11771-010-0564-7 Upper bound analysis of slope stability with nonlinear failure criterion based on strength reduction technique ZHAO...-equilibrium state was employed to define the safety factor of a given slope and its corresponding critical failure mechanism by means of the kinematical approach of limit analysis theory. The nonlinear shear......
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Analysis of High-temperature Boiler Tube Failure for T91 &T22 WANG Zheng-pin1,DING Hui2,LIU Jiang-nan1,ZHAO Ling-song3,SHU Guo-gang2,ZHAO Yan-fen3,ZHANG Lu3,XUE Fei3 (1.Xi'an Institute... and SA213-T22. The results show that raw materials of SA213-T91 and SA213-T22 tube in superheater are qualified. Besides, the characteristics of the SA213-T91 and SA213-T22 tube failure are typical......
J. Cent. South Univ. (2021) 28: 543-555 DOI: https://doi.org/10.1007/s11771-021-4620-2 Numerical analysis of deformation and failure characteristics of deep roadway surrounding rock under static... induced by SDCS conditions, the safe and efficient production of coal mines is seriously threatened. Therefore, it is of great practical significance to study the deformation and failure......
J. Cent. South Univ. (2020) 27: 3807-3820 DOI: https://doi.org/10.1007/s11771-020-4563-z Unified strength model based on the Hoek-Brown failure criterion for fibre-reinforced polymer-confined pre... by regression analysis of experimental data; however, in this article, a new unified strength model is proposed using the Hoek-Brown failure criterion. To study the strength of FRP-confined damaged......
J. Cent. South Univ. (2016) 23: 440-448 DOI: 10.1007/s11771-016-3089-x Failure mechanism of bolting support and high-strength bolt-grouting technology for deep and soft surrounding rock with high.... The failure mechanism of bolt support is proposed to solve these problems. A calculation theory is established on the bond strength of the interface between the anchoring agent and surrounding rocks......
J. Cent. South Univ. (2017) 24: 2894-2905 DOI: https://doi.org/10.1007/s11771-017-3703-6 Numerical investigations on mechanical characteristics and failure mechanism of outwash deposits based... the complexity of mechanical characteristics and failure mechanism. In this work, random meso-structure of outwash deposits was constructed by the technique of computer random simulation based on characteristics......
Mohr-Coulomb failure criterion ZHAO Lian-heng(赵炼恒)1, 2, TAN Yi-gao(谭亦高)1, HU Shi-hong(胡世红)1, DENG Dong-ping(邓东平)1, YANG Xin-ping(杨新平)1 1. School of Civil Engineering, Central South University, Changsha...-Verlag GmbH Germany, part of Springer Nature 2018 Abstract: Based on the nonlinear Mohr-Coulomb failure criterion and the associated flow rules, the three-dimensional (3-D) axisymmetric failure mechanism......
Construction of improved rigid blocks failure mechanism for ultimate bearing capacity calculation based on slip-line field theoryZHAO Lian-heng(赵炼恒), YANG Feng(杨峰)(School of Civil Engineering, Central South University, Changsha 410075, China)Abstract:Based on the slip-line field theory, a two-dimensional slip failure mechanism with mesh-like rigid block system was constructed to analyze......
on a three-dimensional failure mechanism ZHAO Lian-heng(赵炼恒)1, 2, HU Shi-hong(胡世红)1, YANG Xin-ping(杨新平)1,HUANG Fu(黄阜)3, ZUO Shi(左仕)1 1. School of Civil Engineering, Central South University, Changsha 410075... surfaces. According to the virtual work principle, the difference theorem and the variation method, the collapse surface of double-layer rock mass is determined based on the Hoek-Brown failure......