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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
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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