Determination of Slope Safety Factor with Analytical Solution and Searching Critical Slip Surface with Genetic-Traversal Random MethodReport as inadecuate




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The Scientific World Journal - Volume 2014 2014, Article ID 950531, 13 pages -

Research ArticleCollege of Mechanics and Engineering Department, Liaoning Technical University, Fuxin, Liaoning 123000, China

Received 14 September 2013; Accepted 2 February 2014; Published 17 March 2014

Academic Editors: K. Dincer, B. Podgornik, and B. F. Yousif

Copyright © 2014 Wen-jie Niu. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

In the current practice, to determine the safety factor of a slope with two-dimensional circular potential failure surface, one of the searching methods for the critical slip surface is Genetic Algorithm GA, while the method to calculate the slope safety factor is Fellenius’ slices method. However GA needs to be validated with more numeric tests, while Fellenius’ slices method is just an approximate method like finite element method. This paper proposed a new method to determine the minimum slope safety factor which is the determination of slope safety factor with analytical solution and searching critical slip surface with Genetic-Traversal Random Method. The analytical solution is more accurate than Fellenius’ slices method. The Genetic-Traversal Random Method uses random pick to utilize mutation. A computer automatic search program is developed for the Genetic-Traversal Random Method. After comparison with other methods like slope-w software, results indicate that the Genetic-Traversal Random Search Method can give very low safety factor which is about half of the other methods. However the obtained minimum safety factor with Genetic-Traversal Random Search Method is very close to the lower bound solutions of slope safety factor given by the Ansys software.





Author: Wen-jie Niu

Source: https://www.hindawi.com/



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