陈昌富, 龚晓南. 2005: 基于小生境遗传算法软土地基上加筋路堤稳定性分析. 工程地质学报, 13(4): 516-520.
    引用本文: 陈昌富, 龚晓南. 2005: 基于小生境遗传算法软土地基上加筋路堤稳定性分析. 工程地质学报, 13(4): 516-520.
    CHEN Changfu, GONG Xiaonan. 2005: NGA-BASED STABILITY ANALYSIS OF REINFORCED EMBANKMENT ON THE SOFT GROUND. JOURNAL OF ENGINEERING GEOLOGY, 13(4): 516-520.
    Citation: CHEN Changfu, GONG Xiaonan. 2005: NGA-BASED STABILITY ANALYSIS OF REINFORCED EMBANKMENT ON THE SOFT GROUND. JOURNAL OF ENGINEERING GEOLOGY, 13(4): 516-520.

    基于小生境遗传算法软土地基上加筋路堤稳定性分析

    NGA-BASED STABILITY ANALYSIS OF REINFORCED EMBANKMENT ON THE SOFT GROUND

    • 摘要: 在软土地基加筋路堤稳定性分析方法中,传统分析方法(如瑞典法和荷兰法)因对加筋材料的加筋作用估计不足,导致计算结果过于保守,与实际不符。本文在充分考虑加筋体的加筋作用下,提出了新的加筋路堤稳定性分析计算方法,并采用小生境遗传算法搜索临界滑动面和最小安全系数。算例计算结果表明,本文提出的加筋路堤稳定性分析方法与工程实际情况吻合较好,并且小生境遗传算法能有效地搜索到边坡所有的临界滑动面。

       

      Abstract: In stability analysis of embankment reinforced by geosynthetics,the traditional method,such as Sweden method and Hollands method,is obviously conservative owing to underestimation of reinforcement effect of geosynthetics.The authors present a new stability analysis method of embankment reinforced by geosynthetics by modifying assumption of reinforcements effect.In addition,the niche genetic algorithm(NGA) is applied in searching for critical slip surface of reinforced embankment.Two case studies were used to demonstrate effectiveness and applicability of the presented method.

       

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