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本文结合通吕五号桥深水桩基钢护筒沉设工程实例,重点介绍了钢护筒卷制、加工,钢护筒运输,钢护筒导向架安装,钢护筒安放与焊接,钢护筒振沉控制等过程。同时对11#主墩深水露岩钢护筒沉设及钢护筒沉设后倾斜处理步骤和方法展开研究。为深水桩基钢护筒沉设施工的技术分析、过程控制、安全经济提供了参考。
In this paper, an example of the deepwater pile foundation steel casing protection project of Tonglu No.5 bridge is introduced, especially the rolling and processing of steel casing, the transportation of steel casing, the installation of steel casing guide frame, the steel casing installation and welding, Tube vibration control process. At the same time, the 11 # main pier deep water exposed dew steel tube casing and steel casing installed after the tilt processing steps and methods to study. It provides a reference for the technical analysis, process control and safety economy of the deepwater pile foundation steel casing sinking construction.