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Civil-Comp Proceedings
ISSN 1759-3433
CCP: 105
PROCEEDINGS OF THE NINTH INTERNATIONAL CONFERENCE ON ENGINEERING COMPUTATIONAL TECHNOLOGY
Edited by:
Paper 103

Modeling the Gravitational Deformation of a Slate Slope using Model Tests and the Discrete Element Method

M.C. Weng1, C.-M. Lo2, C.H. Wu1 and T.F. Chuang1

1Department of Civil and Environmental Engineering, National University of Kaohsiung, Taiwan
2Department of Civil Engineering, Chienkuo Technology University, Taiwan

Full Bibliographic Reference for this paper
M.C. Weng, C.-M. Lo, C.H. Wu, T.F. Chuang, "Modeling the Gravitational Deformation of a Slate Slope using Model Tests and the Discrete Element Method", in , (Editors), "Proceedings of the Ninth International Conference on Engineering Computational Technology", Civil-Comp Press, Stirlingshire, UK, Paper 103, 2014. doi:10.4203/ccp.105.103
Keywords: slate slope, discrete element method, gravitational deformation.

Summary
This paper describes a study and considers the factors influencing: slope angle, foliation angle, and material deterioration on the deformation characteristics of the slate slope. To simulate these phenomena, a series of physical model experiments with simplified environmental conditions were performed in the laboratory. Then, the discrete element method was used to simulate the deformation behaviour of the slate slope under gravity and material deterioration. According to the physical model tests and numerical simulations, the results exhibit the following characteristics. Based on the model tests, two kinds of gravitational deformation of the slate slope are identified: the first one is an overturning failure and the second one is a fold extrusion near the slope toe. The results of the physical model test provide the basic case for the verification of a discrete element simulation. The simulated deformed patterns agree well with the actual deformation for different slope angles.

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