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南水北调中线焦作一段二标穿越焦作市区,基坑深度达18.5m的普济河倒虹吸受绕行场地的限制,主体工程分为一、二期施工,在一期工程有限的回填面上需布置导流渠和绕行路,其分界处采用直立挡土墙,既减轻挡土墙自身重量,保证下部管身的承重安全,又缩短施工工期,保证了普济路二期绕行路顺利通车、二期导流明渠顺利度汛,保证了工程的正常施工。
Jiaozuo of the Middle Route of South-to-North Water Diversion Project Crossing the urban area of Jiaozuo for two times, the Puji River inverted siphon up to a depth of 18.5m is restricted by the bypassing venues. The main project is divided into the first and second phases of construction. Arrangement of diversion canal and bypass road, the boundaries of the vertical retaining wall, not only to reduce the weight of retaining wall itself to ensure the safety of the lower part of the load-bearing body, but also shorten the construction period to ensure that Puji Road Phase II detour Opened to traffic, the second phase of diversion channel smooth flood season, to ensure the normal construction of the project.