Utili, S. and Nova, R. (2007) On the optimal profile of a slope. Soils and foundations, 47 (4). pp. 717-731. ISSN 0038-0806Full text not available in this repository. (Request a copy from the Strathclyde author)
The problem of determining the best profile for a c, φ soil slope is tackled, with reference to rigid rotational failure mechanisms. By means of limit analysis, upper bound values of collapse load are determined. A new mathematical function is derived to compute the external work made by the weight of a double spiral shaped soil region sliding away. It is found that a log spiral front is associated with a larger safety factor than a planar one. The obtained results may also explain the log-spiral shape of perimeter walls of some typical Japanese castles.
|Keywords:||cohesive-frictional materials, limit analysis, optimization, slope stability, upper bound, civil engineering, Engineering (General). Civil engineering (General), Geotechnical Engineering and Engineering Geology, Civil and Structural Engineering|
|Subjects:||Technology > Engineering (General). Civil engineering (General)|
|Department:||Faculty of Engineering > Civil and Environmental Engineering|
|Depositing user:||Strathprints Administrator|
|Date Deposited:||23 Sep 2009 12:33|
|Last modified:||16 Sep 2016 02:10|