桩间复合结构土拱效应试验与受力机制研究

doi:10.13722/j.cnki.jrme.2014.s2.054

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Abstract At the southwest mountain areas，the composite structures，such as piles and retaining wall，plank wall，soil nailing wall，were applied to support high engineering slopes. Because of the soil arch effection，the soil pressure of the composite structure are redistributed. Considering the influence of soil friction angle，the contrast tests using the soil arch test machine(the patent No. is ZL200910058441.6) were conducted. The differences between those tests were soil friction angle，pile space and pile section dimension. The shape of soil arch，the soil pressure distribution caused by soil arch were analyzed. The equations of height and axis of soil arch considering the soil friction angle were suggested. A case history，considering soil arch effect，the support structure composited by piles and retaining wall was analyzed. Considering the effect of soil arch，a calculation method of potential slip surface and soil pressure on the retaining wall was put forward，and compared with the tradition method.

Key words： pile foundations soil arch pile test stress

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	Articles by authors
	LIANG Yao1
	JIANG Chusheng1
	LI Qinghai1
	LI Fei1
	ZHAO Xiaoyan2

Cite this article:

LIANG Yao1,JIANG Chusheng1,LI Qinghai1, et al. ANALYSIS OF STRESS MECHANISM OF PILE COMPOSITE STRUCTURE BASED ON SOIL ARCH TEST[J]. , 2014, 33(S2): 3825-3828.

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https://rockmech.whrsm.ac.cn/EN/10.13722/j.cnki.jrme.2014.s2.054 OR https://rockmech.whrsm.ac.cn/EN/Y2014/V33/IS2/3825

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