This paper analyzes the effect of negative friction on piles axial force and its calculation.

分析研究负摩擦力对桩轴力的影响及基桩负摩擦力的计算.

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For many layers foundation, the negative friction is calculated, regarding each layers clay as even.

对于多层土地基中桩基负摩阻力的计算, 本文是把各层土体视为均质的整体土层来求解的.

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