天兴洲长江大桥北汊水中墩基础综合施工技术  

Comprehensive Construction Techniques for In-Water Pier Foundations in North River Branch of Tianxingzhou Changjiang River Bridge

作　　者：史聪慧[1] 

机构地区：[1]中铁十二局集团有限公司,山西太原030024

出　　处：《世界桥梁》2007年第2期9-11,50,共4页World Bridges

摘　　要：根据长江历年水文资料、地质情况,分析了天兴洲长江大桥北汊水中墩基础施工的工程特点和要解决的关键技术,介绍了施工组织的原则制定和实施过程、各墩位平台及围堰的方案比选,总结了该桥深水钢围堰的施工方法。With reference to the hydrologic data and geologic conditions of the Changjiang River over the years, this paper analyzes the features ,of and key technical problems to be resolved in the construction of in water pier foundations in the north river branch of Tianxingzhou Changiiang River Bridge, accounts for the construction organization principle preparation and construction implementation of the foundations, comparison and selection of working platform and steel cofferdam to be used at each pier site, and also summarizes the construction methods for the deep water steel cofferdams of the Bridge.

关 键 词：钻孔灌注桩 钻孔平台 钢围堰 基础施工 

分 类 号：U445.559[建筑科学—桥梁与隧道工程]