向家坝水电站坝区变形监测网的设计与实施  

Layout and implementation of deformation monitoring network for dam-site area of Xiangjiaba Hydropower Station

作　　者：方涛[1] 马能武[1] 刘德军[1] 吴华清[1] 

机构地区：[1]长江空间信息技术工程有限公司,湖北武汉430010

出　　处：《人民长江》2010年第20期39-42,共4页Yangtze River

摘　　要：介绍了向家坝水电站坝区变形监测网的设计与实施过程,基本上涵盖了现场踏勘、基准点的选取、变形监测网的初步设计、网的二次优化、现场观测控制、计算平差处理等各个环节,着重介绍了在满足精度、可靠性、灵敏度以及经济等条件下网形的优化设计,以及合适的平差方法。实例证明:设计中制订的精度保证措施是有效的,满足规范和设计要求。We introduce the layout and implementation process of deformation monitoring network in Xiangjiaba dam-site,containing field reconnaissance,selection of datum mark,preliminary design and optimization of deformation monitoring network,field observation control,and adjustment calculation.The network optimization design in the case of meeting requirements of precision,reliability,sensitivity and economy is emphasized,so is the reasonable adjustment calculation.The precision control measures have been proved effective and can meet code requirement by engineering instance.

关 键 词：精度 可靠性 灵敏度 监测网设计 二次优化 向家坝水电站 

分 类 号：TV698[水利工程—水利水电工程]