Discrete Element Simulation Analysis of Rock Slope Stability Based on UDEC

Author:

Lu Wei1,Zhou Zhi2,Liu Ting2,Liu Yu Hang2

Affiliation:

1. Shandong University

2. China University of Geosciences

Abstract

K148+380-480 section of some certain highway is high layered dip cut slope. Weak surfaces, joints and damping load tension fissures of steep dip have significant effect on slope stability during excavation. The geological conditions and rock mass structure characteristics of the slope are analyzed in the paper. Failure patterns and deformation processes are simulated with UDEC discrete element numerical simulation software based on three-dimension (3D) and two-dimension (2D) discrete element method respectively. Besides, key factors that control slope deformation and failure are discussed.

Publisher

Trans Tech Publications, Ltd.

Subject

General Engineering

Reference8 articles.

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2. Wang, W.H., Li, X.B.: A Review on Fundamentals of Distinct Element Method and Its Applications in Geotechnical. Geotechnical Engineering Technique. 4, 177-181(2005).

3. Jing, F., Leng, X.L., Zhu, Z.Q.: Analysis on Deformation Failure Mechanism and Control Measurement of Layered Dip Rocky Slope Based on Discrete Element Method. Journal of Water Resources and Architectural Engineering. 4, pp.61-63(2010).

4. Cundall, P.A.: A Computer model for simulating progressivelarge scale movements in blocky systems. In Proc. Symp. Int. Rock Mech. 8, (1971).

5. Cundall, P.A.: Formulation of three-dimensional distinct element model-part I. A scheme to detect and represent contact in system composed of many polyhedral blocks. Int J Rock Mech Min Sci & Geomech Abstr. 25, pp.107-116(1988).

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