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http://dx.doi.org/10.9720/kseg.2020.1.085

Case Studies on Determination of Strength Parameters for the Analysis of Rock Slope Stability  

Kim, Hak Joon (Department of Construction Safety and Disaster Prevention Engineering, Daejeon University)
Jeong, Jun-Ho (Integrated Road Management Research Center, Korea Institute of Civil Engineering and Building Technology)
Publication Information
The Journal of Engineering Geology / v.30, no.1, 2020 , pp. 85-101 More about this Journal
Abstract
The estimation of strength parameters is very important for the stability analysis of rock slopes. Various methods for the determination of strength parameters were suggested by various researchers. The number of methods used for the estimation of strength parameters in the stability analysis of rock slopes were investigated based on literature reviews. The frequency of the method determining strength parameters were investigated with respect to failure types. The cohesion and friction angles of the rock and discontinuities are presented with RMR values. The cohesion shows wider range of values relative to those of friction angles according to current studies. Even though RMR does not show any correlation with cohesion values, RMR and the friction angle of the rock clearly shows a positive relationship. Proper methods should be utilized for the determination of strength parameters with consideration for failure types and be proved through literature reviews. The credibility of determining strength parameters is expected to improve if strength parameters data are accumulated from the back analysis performed for failed local rock slopes.
Keywords
strength parameters; rock slopes; stability analyses; failure type;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
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