韩爱民, 李建国, 傅国利, 肖军华. 2007: 基于有限差分强度折减法的多级边坡破坏模式研究. 工程地质学报, 15(6): 784-788.
    引用本文: 韩爱民, 李建国, 傅国利, 肖军华. 2007: 基于有限差分强度折减法的多级边坡破坏模式研究. 工程地质学报, 15(6): 784-788.
    HAN Aimin, LI Jianguo, FU Guoli, XIAO Junhua. 2007: NUMERICAL ANALYSIS OF FAILURE MODES IN SLOPES WITH MULTI-STEPS USING SHEAR STRENGTHEN REDUCTION FDM. JOURNAL OF ENGINEERING GEOLOGY, 15(6): 784-788.
    Citation: HAN Aimin, LI Jianguo, FU Guoli, XIAO Junhua. 2007: NUMERICAL ANALYSIS OF FAILURE MODES IN SLOPES WITH MULTI-STEPS USING SHEAR STRENGTHEN REDUCTION FDM. JOURNAL OF ENGINEERING GEOLOGY, 15(6): 784-788.

    基于有限差分强度折减法的多级边坡破坏模式研究

    NUMERICAL ANALYSIS OF FAILURE MODES IN SLOPES WITH MULTI-STEPS USING SHEAR STRENGTHEN REDUCTION FDM

    • 摘要: 总结了当前多级边坡的稳定性分析方法,引入FLAC3D程序和强度折减理论,并运用有限差分强度折减法研究了多级边坡随台阶宽度变化的破坏模式、变形及其稳定性。分析结果表明:多级边坡的滑移面的位置、形状和破坏模式随着台阶的宽度不同而不同,且其变形也随着台阶的宽度不同表现出不同的特性。最终通过对多级边坡进行稳定性分析,发现安全系数和滑移面广义剪应变大小也随台阶宽度的变化也表现出一定的规律性。

       

      Abstract: An elasto-plastic shear strength reduction FDM is used to analyze the stability of slope with multi-steps. The numerical results show that the shape and position of the slip surface are related to width of the steps. Moreover, the width of the steps affect the failure mode and safety factor significantly. Some conclusions are put forward.

       

    /

    返回文章
    返回