桩基负摩阻力对建筑物安全有重要的危害,而要准确计算桩基负摩阻力,首先就要确定中性点位置。该文在分析影响中性点位置确定因素的基础上,对目前工程实践中常用的中性点位置确定方法进行综述,阐述了各种方法的优点和不足,在此基础上结合有限元分析方法提出了确定中性点位置的复合法。 The negative friction of pile foundation has important harm to the safety of the building. To calculate the negative friction resistance of pile foundation accurately, we must first determine the neutral point position. Based on the analysis of the factors that affect the location of the neutral point, this paper summarizes the methods of determining the neutral point commonly used in the current engineering practice, expounds the advantages and disadvantages of various methods, and on the basis of which the finite element analysis Proposed to determine the neutral point of the complex method.