大黑汀大坝垂直位移监测精度评定初探

原大黑汀大坝进行垂直位移监测时,在精度评定过程中,套用精度指标μkm和μ站的计算公式,将坝顶的全部测站合并作为一个测段(测站),存在一定的偏差,导致计算结果错误.针对该计算中的不足和问题,结合工程实际情况,提出一种新的精度评定方法,将固定的每2个标点间作为一段,参与精度指标计算.新方法更为合理、有效,能够对垂直位移监测的精度进行准确评定.

The Accuracy Evaluation of Daheiting Dam Vertical Displacement Measurement

In the accuracy evaluation of the vertical displacement measurement for the Daheiting dam,the accuracy index formula is used while all the measuring stations are regarded as a measuring segment,leading to certain deviation.Aiming at the defect in vertical displacement accuracy evaluation,in combination with the actual situation,a new vertical displacement measurement method is presented.Each section between two fixed points are taken as a segment in the calculation of the accuracy index.The new method is mo...