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为了利用土体水平抗力系数的比例系数m来有效预测基坑围护结构的内力和变形,依据弹性地基梁原理,利用大型数学软件MATLAB编制了计算程序,对基坑围护结构的内力和变形进行预测,并依托某深基坑工程围护结构的实测内力和变形数据对预测的内力和位移进行了验证。结果表明,根据弹性地基梁原理预测的基坑围护结构内力和变形随基坑开挖的变化与实测结果吻合较好。
In order to effectively predict the internal force and deformation of the retaining structure of the foundation pit by using the proportion coefficient m of the horizontal resistance coefficient of soil, a calculation program is compiled based on the principle of elastic foundation beam. The internal force and deformation of the retaining structure The predicted internal forces and displacements were verified by the measured internal forces and deformation data of the envelope of a deep foundation pit project. The results show that the variation of the internal forces and deformations of the foundation pit retaining structure predicted by the principle of elastic foundation beam coincides with the measured results well.