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Stability Analysis of Embankment Slopes Consisting of Rock Fragments  

김치환 (우석대학교 토목공학과)
Publication Information
Tunnel and Underground Space / v.12, no.2, 2002 , pp. 83-91 More about this Journal
Abstract
Stability analysis of rocky embankment slopes is done by both the limit equilibrium method and the finite difference method. The height or the rocky embankment is approximately 40 m and the side slope is 1 vertical to 1.5 horizontal. The cohesion and internal friction angle of rock debris are assumed zero and 43$^{\circ}$, respectively. For finite difference analysis, strength reduction method is used to calculate the saft factor of the slope. As a result, the safety factor of the slope is discovered to be 1.4 by using either methods. Considering that the design criteria of the safety factor is 1.3, it can be judged that the rock fragments embankment slope is in a stable state.
Keywords
Finite Difference Method; Limit Equilibrium Method; Rock Embankment Slope; Strength of Rock Debris; Strength Reduction Method2;
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