苏通大桥南主塔墩钻孔平台施工关键技术  

Key Techniques for Construction of Boring Platform for South Pylon Pier Foundation of Sutong Bridge

作　　者：丁峰[1] 白炳东[1] 管义军[1] 

机构地区：[1]江苏省苏通大桥建设指挥部,江苏南通226010

出　　处：《桥梁建设》2005年第4期55-58,共4页Bridge Construction

摘　　要：苏通大桥主塔墩采用钻孔灌注桩群桩基础,以南主塔墩为例,重点介绍钻孔平台方案的设计及施工中的关键技术,为以后大型桥梁基础施工积累了经验。The pylon pier foundations of Sutong Bridge are designed as foundations of group bored piles. Taking the south pylon pier foundation of the Bridge for example, this paper focuses on the conceptual design of and key construction techniques applied to the boring platform for the foundation with the aim of accumulating more experiences for construction of major bridge foundations to be built in the future.

关 键 词：桥梁基础 钻孔灌注桩 钻孔平台 钢护筒 施工设计 施工方法 

分 类 号：U445.55[建筑科学—桥梁与隧道工程]