天兴洲长江大桥主墩双壁钢围堰基础施工的技术创新  

Technical Innovations of Construction of Double-Wall Steel Boxed Cofferdam Foundations for Main Piers of Tianxingzhou Changjiang River Bridge

作　　者：李军堂 秦顺全 

机构地区：[1]中铁大桥局股份有限公司,湖北武汉430050

出　　处：《世界桥梁》2006年第2期17-19,37,共4页World Bridges

摘　　要：天兴洲长江大桥2、3号墩均采用双壁钢吊箱围堰施工,介绍双壁钢围堰在下河浮运、挂桩、定位以及总体施工设计中的技术创新。The foundations of main piers No. 2 and No. 3 of Tianxingzhou Changjiang River Bridge are constructed with double-wall steel boxed cofferdams. This paper presents the technical innovations in the construction process of the cofferdams, including those of shifting of the cofferdams down to river, floating of the cofferdams to pier sites, setting and positioning of the cofferdams on piles, and also the innovations in the overall working design of the foundations.

关 键 词：公铁两用桥 双壁钢围堰 桥梁基础 桥梁施工 

分 类 号：U445.55[建筑科学—桥梁与隧道工程]