Abstract
The reinforced cement concrete cantilever retaining wall is the most common type of retaining wall used in hillside roads, canals and bridge abutments. Methods for developing low-cost and low-weight designs of reinforced concrete retaining structures have been the subject of research using optimization tools. However, for an appropriate techno-commercial decision making, an ideal optimization method should give the optimized cost vis-à-vis corresponding factor of safety (FOS) against external stability like bearing, sliding, eccentricity and overturning. In this paper the optimum design of retaining wall is presented in multi-objective framework using elitist non-dominated sorting genetic algorithm (NSGA-II) considering both the cost and FOS as trade-off solutions. A set of effective Pareto optimal set was discussed indicating the efficacy of NSGA-II in finding out distinct and number of Pareto solutions. Optimum dimension of the retaining wall is also presented in terms of non-dimensional form for benefit of the professional engineers.
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Das, M.R., Purohit, S. & Das, S.K. Multi-objective Optimization of Reinforced Cement Concrete Retaining Wall. Indian Geotech J 46, 354–368 (2016). https://doi.org/10.1007/s40098-015-0178-y
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DOI: https://doi.org/10.1007/s40098-015-0178-y