如何解决积石峡水管沉降仪换液后测值突变的问题  

How to Solve the Problem of the Pipes Subsidence Medium Changed after the Measured Value of Mutation of Jishixia Hydropower Station

作　　者：朱军[1] 邰圣平[1] 仲春华[1] 

机构地区：[1]国网电力科学研究院/南京南瑞集团公司,江苏省南京市210003

出　　处：《水电自动化与大坝监测》2013年第2期45-49,共5页HYDROPOWER AUTOMATION AND DAM MONITORING

摘　　要：积石峡水电站于2011年11月对NSC水管式沉降仪进行了一次换液,换液后发现大部分测点出现了±(2～15)cm的测值突变,造成比较严重的测量误差,不能真实反映出大坝的实际沉降量。通过监测数据的分析,现场检查和反复测试,查明了测值变化的原因,改进了原来的排液、换液方法,可为类似工程提供一定的借鉴。Jishixia Hydropower Station changed the medium of the the NSC pipes settlement gauge in November 2011.After that,we found mutations about ±(2~15)cm from most measured values,resulting in a more serious measurement error,and can not truly reflect the actual settlement of the dam.Amount of monitoring data analysis,site inspection and repeated we tested to identify the mutations of the measured values,improved the original row of discharge and changing medium,in order to provide a reference for other similar projects.

关 键 词：积石峡 NSC水管式沉降仪 分析 改进 换液 

分 类 号：U416.1[交通运输工程—道路与铁道工程]