以等影响原则为前提,分析了基坑位移监测方法、差分测量原理及精度。利用基准点的已知信息,实现位移监测点的差分计算与数据处理。从而提高基坑位移监测精度。通过对比分析和实际工程应用表明,该方法对基坑位移监测完全满足规范要求,方便灵活,具有较好的应用价值。 Based on the principle of equal influence, the method of foundation pit displacement monitoring, principle of differential measurement and accuracy are analyzed. Using the known information of the reference point, the difference calculation and data processing of the displacement monitoring point can be realized. Thus improving the monitoring accuracy of foundation pit displacement. Through comparative analysis and practical engineering application shows that the method of foundation pit displacement monitoring fully meet the specifications, convenient and flexible, and has good application value.