Volume 25, Number 2 (1-2007)                   jame 2007, 25(2): 93-112 | Back to browse issues page


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M. H. Bagheripour, E. Shasavandi, and S. M. Marandi. A Rapid Optimization Method for Slip Surface in Earth Slopes Using Genetic Algorithm. jame. 2007; 25 (2) :93-112
URL: http://jame.iut.ac.ir/article-1-394-en.html

Abstract:   (1735 Views)
This paper introduces an accurate, fast, and applicable method for optimization of slip surfaces in earth slopes. Using Genetic Algorithm (GA), which is one of the modern and non-classic optimization methods, in conjunction with the well -known Bishop applied method, the optimum slip surface in an earth slope is investigated and its corresponding lowest safety factor is determined. Investigations have shown that selection of appropriate variables to define and to solve the problem and determination of a good range for these variables have a profound effect on the speed of convergence in the problem. In the present study, appropriate variables have been defined for solving the problem in a way that the number of repetitions required to reach convergence are considerably reduced by up to 50% compared with other approaches. This has led to a drastic reduction in time and the memory required. The accuracy of the method is shown first by solving examples related to search for optimum failure surfaces of some homogenous, non-homogenous, and earth dam slopes and then by comparison of the results with those of other optimization techniques. In order to show the application of the present method in modern geotechnical engineering, a reinforced earth slope is studied and its failure surface is finally optimized
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Type of Study: Research | Subject: General
Received: 2014/10/25

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