土体侧向移动对邻近桩的不利影响是基坑开挖的一个重要问题,因为它极有可能给邻近桩造成侧向位移和附加应力、弯矩等不利效果,严重者甚至给上部建筑物带来功能的损失。利用土工有限元软件Plaxis8.2对内支撑排桩支护基坑开挖进行有效的数值分析,可以充分了解基坑开挖时影响邻近桩基的各种因素,从而确保基坑开挖的质量。 The adverse effect of soil lateral movement on adjacent piles is an important issue in excavation because it is most likely to cause lateral displacement and additional stress, bending moment and other adverse effects on the adjacent piles. In severe cases, even the upper structures Bring functional loss. The geotechnical finite element software Plaxis8.2 can effectively analyze the excavation of the piled supporting piles with inner support, which can fully understand the various factors that affect the adjacent piles during excavation, so as to ensure the quality of excavation .