期刊
CANADIAN GEOTECHNICAL JOURNAL
卷 42, 期 1, 页码 272-278出版社
CANADIAN SCIENCE PUBLISHING, NRC RESEARCH PRESS
DOI: 10.1139/T04-072
关键词
slope; stability; factor of safety; limit equilibrium method
A concise algorithm is proposed in this paper for the calculation of the factor of safety of a slope using the Morgenstern-Price method. Based on force and moment equilibrium considerations, two expressions are derived for the factor of safety F-s and the scaling factor lambda, respectively, both in relatively simple forms. With this algorithm and assumed initial values of F-s and lambda, the solutions for F-s and lambda are found to converge within a few iterations. Compared to other procedures, the present algorithm possesses the advantages of simplicity and high efficiency in application. It is rather straightforward to implement this algorithm into a computer program.
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