抗滑桩计算的综合刚度与三参数法数值解

doi:10.13722/j.cnki.jrme.2014.s2.040

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Abstract In order to more reliably calculate the displacements and internal forces of anti-slide piles，the pile-soil composite stiffness under combined action and subgrade resistance tri-parameter method is presented to calculate anti-slide piles. Based on this method，numerical solution of link finite element is established. According to the measurements of displacements and bending moments of an engineering pile pushing test，the pile-soil composite stiffness under combined action and subgrade resistance tri-parameter are back analyzed. Then the calculation results obtained by finite element analysis are compared with the measurements of pile displacements and bending moments under different load grades. The results show that the horizontal resistance parameters of rocks and soils are nonlinear. With the increase of pile displacements caused by larger loads，the horizontal subgrade resistance parameters obviously decrease and the pile-soil composite stiffness under combined action diminishes to a certain extent.

Key words： pile foundation anti-slide pile internal force composite stiffness tri-parameter method link finite element

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	ZOU Shengtang
	DAI Zihang

Cite this article:

ZOU Shengtang,DAI Zihang. NUMERICAL SOLUTIONS OF COMPOSITE STIFFNESS AND TRI-PARAMETER METHOD FOR CALULATION OF ANTI-SLIDE PILES[J]. , 2014, 33(S2): 3718-3723.

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https://rockmech.whrsm.ac.cn/EN/10.13722/j.cnki.jrme.2014.s2.040 OR https://rockmech.whrsm.ac.cn/EN/Y2014/V33/IS2/3718

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