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本文主要是介绍西江特大桥主墩承台双壁钢围堰工程施工情况,并根据西江的水文、地质特点,西江大桥水中部分桥墩承台施工,分析了采用双壁钢围堰及钢板桩施工工艺,为满足水中承台施工的需要,满足水下墩身部位施工的需求,在水下承台及墩身施工期间不因水位的变化、洪水而影响水下承台及水下墩身的施工,确保施工进度和工程造价,保障人们的生命财产安全。因此,所制定本专项方案,确保了西江大桥主墩承台施工顺利完成,结果非常成功,值得在类似的桥梁承台施工中借鉴与推广。
This article mainly introduces the construction of double-wall steel cofferdam for the pier foundation of the Xijiang River Bridge and according to the hydrological and geological features of the Xijiang River and the construction of some bridge piers in the water of the Xijiang Bridge, analyzes the application of double-wall cofferdam and steel sheet pile construction In order to meet the needs of the construction of submersible pier in order to meet the needs of underwater pier body construction, during the construction of submarine pier and piers, the submarine cap and submarine pier will not be affected by the change of water level and flood during construction Construction, to ensure construction progress and project cost, to protect people’s lives and property. Therefore, the special scheme has been formulated to ensure the successful completion of the construction of the main pier cap of the Xijiang River Bridge. The result is very successful and worthy of reference and promotion in the similar construction of the bridge cap.