双壁钢吊箱围堰的仿真计算及施工关键技术  

Simulation Calculation and Some Key Techniques for Construction of Double-Wall Steel Boxed Cofferdam

作　　者：刘耀东[1] 余天庆[1] 石峻峰[1] 李恒太[2] 

机构地区：[1]湖北工业大学土木工程与建筑学院,湖北武汉430068 [2]中铁十二局集团有限公司,山西介休030600

出　　处：《桥梁建设》2009年第2期72-75,共4页Bridge Construction

摘　　要：介绍武汉天兴洲公铁两用长江大桥北汊公路桥深水承台施工所采用的钢吊箱围堰的结构形式,采用结构仿真分析软件MSC-PATRAN对其进行仿真计算。最后介绍钢吊箱围堰施工的几项关键技术,包括悬吊系统的设计、钢吊箱的下沉与定位、封底混凝土的浇注和体系转换。This paper presents the structural type of steel boxed cofferdam used for construction of the deep water pile cap of the north highway bridge of Wuhan Tianxingzhou Changjiang River Rail-cum-Road Bridge, makes the simulation calculation of the cofferdam, using the strueture simulation analysis software MSC-PATRAN and also gives some key techniques for construction of the cofferdam, including those of the design of the suspension system, lowering and positioning, casting of the bottom sealing treime concrete as well as the system transferring of the cofferdam.

关 键 词：深水承台 双壁钢吊箱围堰 仿真分析 施工方法 

分 类 号：U445.556[建筑科学—桥梁与隧道工程]