青岛海湾大沽河航道桥钢箱梁大节段安装架设关键技术研究  

Study on Key Techniques of Steel-box Girder with Large-segment Installation Method in Qingdao Bay Daguhe Navigation Bridge Construction

作　　者：蔡建军 季辉 沈锐利[2] 

机构地区：[1]山东高速青岛公路有限公司,山东青岛266061 [2]西南交通大学土木工程学院,四川成都611756

出　　处：《施工技术》2011年第11期66-71,共6页Construction Technology

基　　金：山东省交通科技项目(2009Y24-1)

摘　　要：以青岛海湾大桥为工程背景,详细讨论了钢箱梁制造加工、超重超长梁段的装船运输、大节段的吊装定位技术以及施工过程中加劲梁的线形控制等问题。研究和实践表明,超重超长大型钢箱梁在海边潮汐变化条件下跨越障碍滚装装船技术取得了成功;梁索结合式吊具方案,可适应多规格、偏心梁段的吊装需要,满足大节段钢箱梁吊装的技术要求;梁段的吊装及定位调整均达到了设计预期的精度要求。Based on Qingdao Bay Bridge,the authors discuss in detail some technical problems such as prefabrication of steel-box girder,transportation by ship of super-height and super-length girder segment,hoisting and location technique of large-segment and linear control of stiffen girder.The study and practice construction results can make some conclusions as follow：①Crossing obstacle roll-on shipment technique of super-height and super-length steel-box girder under tidal variation condition gain successful.②Girder-cable combination hoisting equipment technique can satisfy hoist of multi-size eccentric girder segment and large segment steel-box girder.③Hoisting and location adjustment of girder segment meet the design requirements for precision.

关 键 词：桥梁工程 钢箱梁 梁段制造 装船运输 大节段吊装 

分 类 号：U443[建筑科学—桥梁与隧道工程]