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大伙房水库输水(二期)工程是将浑江流域调来的水由大伙房水库调节后,向辽宁省抚顺、沈阳、辽阳、鞍山、营口、盘锦等六城市输水的一项大型输水工程,主要工程内容为管线桩号121+500～鞍山配水站之间的输水管道安装,包括桩号范围内的PCCP管和交叉工程中钢管的安装。钢管安装包括穿越河流的开槽钢管安装和穿越高速公路、铁路、国道、省道的套管内钢管安装,本文是针对套管内钢管安装的施工方案。
Dahuofang Reservoir Water Conservancy Project (Phase II) is a large-scale project to transfer water transferred from the Hunjiang River to the six cities of Fushun, Shenyang, Liaoyang, Anshan, Yingkou and Panjin in Liaoning Province through the adjustment of Dahuofang Reservoir. Water project, the main contents of the project for the pipeline station 121 +500 ~ Anshan water distribution station between the water pipe installation, including the range of PCCP pipe and cross-section of the pipe installation. The installation of steel pipe includes installation of notched steel pipe across the river and installation of steel pipe inside the casing through the expressway, railroad, national highway and provincial highway. This article is the construction plan for steel pipe installation inside the casing.