【摘要】 简要论述了基坑水平位移监测的常用方法,并给出了一种新的测定基坑水平位移的方法——自由设站基准线法。对自由设站基准线法进行了精度估计,分析了该方法的精度影响因素,并讨论了其特点及适用条件,得出了该方法具有较高测量精度及较强实用性的结论。更多还原

【Abstract】 This article briefly discusses the common methods for monitoring horizontal displacement of foundation pit,and gives a new method for determining the horizontal displacement of foundation pit.This article analyzes the accuracy of free station method on the baseline estimate,and the factors affecting computational precision of the method,the features and conditions of every method are also discussed.The conclusion is that the proposed method has higher measurement accuracy and practicability.更多还原