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Cause of Rall Road Slope Failure and Determination of Soil Strength for Remedy  

Lee, Seung-Hyun (선문대학교 토목공학과)
Kim, Byoung-Il (명지대학교 토목환경공학과)
Publication Information
Journal of the Korean Society of Hazard Mitigation / v.4, no.3, 2004 , pp. 25-31 More about this Journal
Abstract
Rail road slope can be fatted because of existence of unexpected soft subsoil. Purpose of this study is verifying the cause of rail road slope failure and determination of soil strength for remedy. Drilling some boreholes, cone penetration test and field vane test were executed in order to find out the cause of slope failure. In addition, laboratory test was conducted in order to determine soil strength of soft soil sampled as undisturbed state. As a result of both the in-situ and the laboratory tests, the cause of slope failure is thought to be propagation of failure zone by progressive rupture of overconsolidated clay Soft soil strength was determined through back analysis of the failed slope.
Keywords
cause of slope failure; in-situ tests; progressive rupture; back analysis;
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