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Geomechanics and Engineering Volume 37, Number 1, April10 2024 , pages 1-8 DOI: https://doi.org/10.12989/gae.2024.37.1.001 |
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An analytical solution for buckling failure of rock slopes based on elastoplastic slab theory |
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Zhihong Zhang, Pengyu Wu, Fuchu Dai, Renjiang Li, Xiaoming Zhao and Shu Jiang
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| Abstract | ||
| Buckling failure is one of the classical types of catastrophic landslides developing on inclination-paralleled rock slopes, which is mainly governed by its self-weight, earthquake and ground water. However, nearly none of the existing studies fully consider the influence of slope self-weight, earthquake and ground water on the mechanical model of buckling failure. In this paper, based on energy equilibrium principle and elastoplastic slab theory, a thorough mechanical analysis on bucking slopes has been carried out. Furthermore, an analytical solution for slip bucking failure of rock slopes has been proposed, which fully considers the effect of slope self-weight, seismic force and hydrostatic pressure. Finally, the methodology is used to conduct comparative analysis with other analytical solutions for three practical buckling studies. The results show that the proposed approach is capable of providing a more accurate and reasonable evaluation for stability of rock slopes with potential buckling failure. | ||
| Key Words | ||
| analytical solution; buckling failure; elastoplastic slab theory; slope stability | ||
| Address | ||
| Zhihong Zhang, Pengyu Wu and Fuchu Dai: Key Laboratory of Urban Security and Disaster Engineering of the Ministry of Education, Beijing University of Technology, Beijing 100124, China Renjiang Li, Xiaoming Zhao and Shu Jiang: China Three Gorges Corporation, Wuhan 430010, China | ||