2013
DOI: 10.4028/www.scientific.net/amm.405-408.237
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Abstract: In this paper,vertical displacement of pile and pile-surrounding soil was assumed as incompatible.Derivation and revision of the formula of relative slip-caused friction force between pile and soil were made.According to the formula in this paper, side friction of pile reduces as as depth increases,until side friction almost reaches zero at pile bottom,which are concordant with site observations.This calculating method reliably reflects the variation law of side friction of pile.