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北引渠首泄洪闸工程工程量大,施工程序复杂,基坑开挖深度大。为保证泄洪闸工程能够正常施工,本工程设计为围堰截渗墙,围堰截渗墙的施工质量直接影响泄洪闸工程的施工质量及工程安全,进而影响整个泄洪闸的整体施工工期。现重点从振动射冲+高压旋喷截渗墙的施工方法、施工质量方面,对北引渠首泄洪闸工程围堰截渗墙施工进行论述,提出具体施工方法、施工操作过程为类似工程的施工提供借鉴。
The flood discharge project of the North Drainage Channel is large with complex construction procedures and large excavation depth. In order to ensure the flood sluice project can be normally constructed, the construction design of the project is the cofferdam cutoff wall and the construction quality of the cofferdam cutoff wall directly affects the construction quality and project safety of the sluice sluice project, thereby affecting the overall construction period of the flood sluice. The emphasis is on the construction methods and construction quality of the rotary jetting cutoff wall with vibro impacting and high pressure, and the construction of the cutoff wall of the cofferdam of the North Diversion Project. The specific construction methods are put forward and the construction operation process is similar Construction to provide reference.