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菖蒲河位于天安门以东,北京饭店以西,与东西长安街仅一墙之隔,位于南池子与南河沿之间是北京市区内除金水河和筒子河外,仅余的一条明河。菖蒲河改暗沟工程,全长241米,改建后暗沟段断面为3×2米,预制钢筋混凝土盖板(3.5×1×0.3)。一、施工工序 1.河南岸为民房无施工操作面,北岸岸边有一排柳树及有一条3公尺宽小路,施工前断水后用推土机推出三个马道,豁路机豁
The Changpu River is located to the east of Tiananmen Square and to the west of Beijing Hotel. It is only separated from Chang’an Avenue by the east and west. Located between Nanchizi and Nanheyan, it is the only Minghe River in Beijing except for Jinshui River and Chezizh River. The Changpu River is a sub-level ditch project with a total length of 241 meters. The section of the ditch section after the alteration is 3 × 2 meters and the prefabricated reinforced concrete cover (3.5 × 1 × 0.3) is prepared. First, the construction process 1. Henan shore for the construction of non-operating room, the north shore of a row of willow trees and a 3-meter-wide road, before the construction of water with bulldozers launched three horse Road,