Parametric investigation for discrete optimal design of a cantilever retaining wall

Abstract

In this paper, discrete design optimization of a cantilever retaining wall has been submitted associated with a detailed parametric study of the wall. In optimal design, the minimum wall weight is treated as the objective function. Through design algorithm, the optimal design variables (base width, toe width, thickness of base slab and angle of front face) yielded minimum structural weight of the wall and satisfied stability conditions have been determined for different soil parameter values. At the end, a detail parametric study searching the effect of change of soil parameters on the retaining wall design has been conducted with 120 optimized wall designs for different values; eight values of the angle of internal friction, three values of the unit volume weight and five values of wall heights. The obtained results from optimization analyses indicate that change of the angle of internal friction more effective than change of the unit volume weight on the optimal wall weight. Economic wall design with optimization analysis is achieved in a shorter time than the traditional method.

Metaheuristics-based Pre-Design Guide for Cantilever Retaining Walls

“…Other parameters are the soil properties such as unit volume weight and angle of internal friction. Changes in the unit volume weights during optimal design do not affect the optimal weight values significantly; thus, γ soil = 18 kN/m 3 was selected as the mean value [22].Analysis parameters are the same for all CRW numerical analysis in GEO5 (Table 2).…”

Dynamic Loads and Different Soil Characteristics Examination on Optimum Design of Cantilever Retaining Walls Utilizing Harmony Search Algorithm

“…The optimum weight of the cantilever retaining wall by HSA has been obtained as Wwall = 59.4kN/m for Ør =40° and γr=18kN/m 3 with considering static load case in another literature study [29]. For the same design case, the optimum wall weight has been obtained as 181kN/m with considering dynamic loads in this study (Ør=40° and γr=18kN/ m 3 ).…”

“…Optimum designs of cantilever retaining walls have been acquired by many researchers utilizing metaheuristic optimization algorithms inspired by nature [3][4][5][6][7][8][9][10]. The dynamic load effect in cantilever retaining wall design is a situation that should be considered for designs to be made in earthquake zones.…”

Effects of Soil Geotechnical Properties on the Prediction of Optimal Dimensions of Restricted Reinforced Concrete Retaining Walls

“…Therefore, new techniques are developed based on the advancing information and computer technologies to design retaining walls, considering the optimization of sizing and cost. Optimization methods are one of the technique that is used to design retaining walls effectively and nowadays there performed lots of studies to possess the most useful and cost-effective method to design wall systems [7,8,9,10,11,12]. In this study, an optimization algorithm is used to predict optimum dimensions of L-Shaped retaining walls via minimum cost achievement against the change of soil geotechnical properties.…”