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分析了引起基坑围护结构变形的主要因素,以简单位移场及修正的地层补偿法位移场模拟无超载时围护结构水平位移与墙后地表位移的对应关系,并结合上海软土深基坑工程的实践,给出收缩系数及坑周地表位移的表达式。
The main factors that cause the deformation of the foundation pit retaining structure are analyzed. By using the simplified displacement field and the modified displacement compensation field, the corresponding relationship between the horizontal displacement of the retaining structure and the displacement of the wall behind the wall without any overload is simulated. Combined with the deep foundation The practice of pit engineering gives the expression of shrinkage coefficient and surface displacement of pit circumference.