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围绕“防灾”“减灾”的目的,水利工程在施工时,经常受到地面构筑物的影响,对沉降量和水平位移提出严格管控的要求。东莞市挂影洲石碣泵站扩建施工时,针对沉降量和水平位移的管控要求,在基坑开挖支护施工中组合应用的不同桩基础支护技术,消除紧靠基坑民房和高压线铁塔等建筑物的影响,为扩建施工营造相对安全的施工环境。
Around the purpose of “Disaster Prevention” and “Disaster Reduction”, water conservancy projects are often affected by ground structures during construction and put forward strict requirements on settlement control and horizontal displacement. In the construction of Dongguan Yingjiao Shijie Pumping Station, the requirements of management and control of settlement and horizontal displacement, different pile foundation supporting technologies used in combination with foundation pit excavation and support were eliminated, Towers and other buildings, creating a relatively safe construction environment for the expansion.