土层水平卸荷拱的形成条件

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2002, Vol. 21

Issue (05): 745-748 DOI:

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FORMATION CONDITION OF HORIZONTAL UNLOADING ARCH IN SOIL LAYER

Ye Xiaoming，Meng Fantao，Xu Nianchun

(Institute of Civil Engineering，Chongqing University，Chongqing 400045 China)

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Abstract The formation condition of horizontal unloading arch in the column-slab structure system is analyzed for slope support. The relation among the horizontal unloading arch，soil parameters c，，coefficient of friction，plane thrust，intercolumnar distance and the width of the column are derived. The quantitative computation method is supplied，and the result is satisfying.

Key words： plane unloading arch soil layer slope support

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