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RISS 인기검색어
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- 저자 : R. Sheikholeslami (검색결과 2 건)
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S. Talatahari,R. Sheikholeslami 대한토목학회 2014 KSCE JOURNAL OF CIVIL ENGINEERING Vol.18 No.5
This paper develops a methodology to obtain the optimum design of the gravity and reinforced cantilever retaining walls in terms of least-cost, having different cases of backfill satisfying the stability criteria, according to the height and properties of earth that the wall are required to support. An Enhanced Charged System Search Algorithm (ECSS) is utilized to find the economical sections as the output after minimizing the cost. The ECSS is one of the recently developed meta-heuristic algorithms that is inspired by the Coulomb and Gauss’s laws of electrostatics in physics. In order to evaluate the efficiency of this algorithm, some numerical examples are utilized. Comparing the results of the retaining wall designs obtained by the other methods illustrates a good performance of the ECSS.
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A Chaotic Imperialist Competitive Algorithm for Optimum Cost Design of Cantilever Retaining Walls
M. Pourbaba,S. Talatahari,R. Sheikholeslami 대한토목학회 2013 KSCE JOURNAL OF CIVIL ENGINEERING Vol.17 No.5
This paper develops a model to obtain the optimum cost of the cantilever retaining walls having different cases of backfill satisfying the stability criteria, according to the height and properties of earth that the wall is required to support. Chaotic Imperialist Competitive Algorithm (CICA) is utilized to find the economical sections as the output after minimizing the cost for sections adhering to provisions of ACI 318-05. The CICA, one of the recently developed meta-heuristic algorithms utilizes imperialism and imperialistic competition process combined with chaos theory as a source of inspiration. Cost design problem of cantilever retaining walls is tested using the new method and the results are compared to those of other algorithms. In addition, a detailed sensitivity analysis for selected design variables, parameters and related safety factors will be presented.
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