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Stability Analysis of Jointed/Weathered Rock Slopes Using the Hoek-Brown Failure Criterion
The failure of rock slopes usually occurs along the discontinuities. But for weathered or highly jointed rock mass, failure surface is often curved as in soil slopes. To assess the stability of jointed/weathered rock slopes, shear strength reduction technique is adapted for use with the non-linear Hoek-Brown failure criterion, an empirical approach to estimating rock mass strength. Hoek-Brown strength parameters can be estimated using rock mass classification schemes such as RMR or GSI. Numerical results obtained by strength reduction are compared with limit analysis upper bound solutions derived using a series of linear failure surfaces tangent to the actual non-linear failure surface. Results are presented in graphs of normalized slope height versus RMR that could be used as stability charts.
Stability Analysis of Jointed/Weathered Rock Slopes Using the Hoek-Brown Failure Criterion
The failure of rock slopes usually occurs along the discontinuities. But for weathered or highly jointed rock mass, failure surface is often curved as in soil slopes. To assess the stability of jointed/weathered rock slopes, shear strength reduction technique is adapted for use with the non-linear Hoek-Brown failure criterion, an empirical approach to estimating rock mass strength. Hoek-Brown strength parameters can be estimated using rock mass classification schemes such as RMR or GSI. Numerical results obtained by strength reduction are compared with limit analysis upper bound solutions derived using a series of linear failure surfaces tangent to the actual non-linear failure surface. Results are presented in graphs of normalized slope height versus RMR that could be used as stability charts.
Stability Analysis of Jointed/Weathered Rock Slopes Using the Hoek-Brown Failure Criterion
You, Kwang-Ho (author) / Park, Yeon-Jun (author) / Dawson, Ethan M. (author)
Geosystem Engineering ; 3 ; 90-97
2000-09-01
8 pages
Article (Journal)
Electronic Resource
Unknown
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