南水北调京石段测压管渗透性检测分析

Design of penetration inspection for piezometric tube on BeijingShijiazhuang section of the Mid-route of South-to-North Water Diversion Project

为了掌握总干渠渗流情况,为总干渠安全运行提供必要信息,南水北调京石段(河北境内)沿线共布设测压管315根,经统计,其中260根测压管常年无水。选择有代表性的监测断面进行了数据分析,无法准确判断无水测压管是否失效,提出了测压管渗透性检测方案,以查明测压管的有效性。

Up to 315 piezometric tubes were emplaced along with Beijing to Shijiazhuang section of the Mid-route of South-to-North Water Diversion Project to collect the general arterial canal＇s seepage conditions and provide necessary information for the general arterial canal＇s safe operation. By statistics, of which 260 of the piezometric tubes were under the water level perennially, which may cause potential safety problems and may do harm to the project. Representative monitor sections were selected for data analysis,but the effectiveness of the piezometric tubes could not be defined. In this article, Monitoring Plan of the piezometric tubes was made to determine their effectiveness.