双排抗滑桩滑坡推力分配影响因素分析

祁斌 常波 吴益平

祁斌, 常波, 吴益平. 2011: 双排抗滑桩滑坡推力分配影响因素分析. 工程地质学报, 19(3): 359-363.
引用本文: 祁斌, 常波, 吴益平. 2011: 双排抗滑桩滑坡推力分配影响因素分析. 工程地质学报, 19(3): 359-363.
QI Bin, CHANG Bo, WU Yiping. 2011: ANALYSIS OF FACTORS AFFECTING DISTRIBUTION OF LANDSLIDE THRUST FORCE FOR DOUBLE-ROW ANTI-SLIDE PILES. JOURNAL OF ENGINEERING GEOLOGY, 19(3): 359-363.
Citation: QI Bin, CHANG Bo, WU Yiping. 2011: ANALYSIS OF FACTORS AFFECTING DISTRIBUTION OF LANDSLIDE THRUST FORCE FOR DOUBLE-ROW ANTI-SLIDE PILES. JOURNAL OF ENGINEERING GEOLOGY, 19(3): 359-363.

双排抗滑桩滑坡推力分配影响因素分析

详细信息
    作者简介:

    祁斌,地质工程专业.Email: raomiao-123@163.com

  • 中图分类号: TU473

ANALYSIS OF FACTORS AFFECTING DISTRIBUTION OF LANDSLIDE THRUST FORCE FOR DOUBLE-ROW ANTI-SLIDE PILES

  • 摘要: 以作用形式较为简单的双排悬臂抗滑桩(未带连梁)为模型并基于结构力学位移法得出的双排桩滑坡推力传递分配计算公式为基础,结合推力较大的红石包滑坡作为工程实例,分别分析了双排桩静排距,前后排桩的截面尺寸和桩间土弹性模量对推力传递分配的影响,得出了以下结论:(1)当增大后排桩的刚度或减小前排桩的刚度时,桩土相互挤压作用越小, A2/A1随之减小,反之A2/A1增大。(2)增大排距b时,A1减小,A2在b=3~10m时逐渐减小,但是变化幅度不大; 在b=10~21m时,不断增大。(3)当增大桩间土弹性模量时,A2增大。(4)随着前排桩截面高度的增大,A1、A2逐渐增大; 随着后排桩截面高度的增大,A1、A2逐渐减小。

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出版历程
  • 收稿日期:  2009-10-26
  • 修回日期:  2010-01-27
  • 刊出日期:  2011-06-25

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