祁生林, 祁生文, 伍法权, 刘春玲. 2004: 基于剩余推力法的地震滑坡永久位移研究. 工程地质学报, 12(1): 63-68.
    引用本文: 祁生林, 祁生文, 伍法权, 刘春玲. 2004: 基于剩余推力法的地震滑坡永久位移研究. 工程地质学报, 12(1): 63-68.
    QI Shenglin, QI Shengwen, WU Faquan, LIU Chunling. 2004: ON PERMANENT DISPLACEMENT OF EARTHQUAKE INDUCED SLIDE BASED ON RESIDUAL PUSHING FORCE METHOD. JOURNAL OF ENGINEERING GEOLOGY, 12(1): 63-68.
    Citation: QI Shenglin, QI Shengwen, WU Faquan, LIU Chunling. 2004: ON PERMANENT DISPLACEMENT OF EARTHQUAKE INDUCED SLIDE BASED ON RESIDUAL PUSHING FORCE METHOD. JOURNAL OF ENGINEERING GEOLOGY, 12(1): 63-68.

    基于剩余推力法的地震滑坡永久位移研究

    ON PERMANENT DISPLACEMENT OF EARTHQUAKE INDUCED SLIDE BASED ON RESIDUAL PUSHING FORCE METHOD

    • 摘要: 基于剩余推力法思想 ,结合Newmark有限滑动位移法 ,考虑了由于动力作用造成的孔隙水压力变化 ,对一种最为常见的边坡灾害滑坡 ,提出了一种简便的估算地震动力永久位移的方法。对一实例用该法和快速拉格朗日元 (FLAC3D)进行对比计算 ,结果表明两者的结果基本接近 ,前者要保守一些。这就使得应用剩余推力法这一常规方法对滑坡进行真正意义上的动力时程分析成为可能.

       

      Abstract: A new simpler method is presented for evaluating the earthquake-induced permanent displacements of sliding body based on residual pushing force method as well as Newmark's method (1965). At the same time, pore pressure increment caused by dynamic force is considered. Then this method is applied to a case, in which our prediction result is very close to that obtained by using numerical method, but the value obtained by former methed is slightly higher than that by numerical method.

       

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