南水北调泗洪站工程垂直位移优化分析方法研究

Research on Optimization Analysis Method of Vertical Displacement in Sihong Station of South-to-North Water Diversion Project

通过对南水北调泗洪站开展垂直位移观测试验,分析使用不同类型垂直位移工作基点对观测成果准确性的影响,提出优化垂直位移观测成果分析方法。结果表明,垂直位移工作基点的稳定性直接影响观测结果的准确性,利用基于垂直位移工作基点优化改正计算公式,极大限度地提升了观测成果分析的准确性,保障了后续工程安全评价的准确性。

This article analyzes the influence of different types of vertical displacement working base points on the accuracy of observation results through conducting vertical displacement observation experiments at Sihong station of the south-to-north water diversion project,and proposes an optimized analysis method for vertical displacement observation results.The results show that the stability of the vertical displacement working base points directly affects the accuracy of observation results.Using the optimized correction formula based on the vertical displacement working base points,the accuracy of observation results is greatly improved,thereby ensuring the accuracy of subsequent engineering safety evaluation.