摘要
青岛海湾大桥第七合同段45跨非通航孔桥部分承台施工选用混凝土吊箱围堰方案。混凝土吊箱围堰主体结构包括下部钢筋混凝土吊箱、上部防浪板、吊装系统及体系转换构件等。介绍混凝土吊箱围堰的主体结构设计及施工。总结混凝土吊箱围堰的主要特点及其施工过程中的不足。
The concrete boxed cofferdams were used for construction of part of the pile caps of the 45-span non-navigable bridge of Contract 7, Qingdao Bay Bridge. The principal structure of a cofferdam includes the lower part reinforced concrete boxed cofferdam, the upper part break- water board, lifting and installation system and system transformation elements. The design and construction of the principal structure of the cofferdam are described herewith and the main characteristics and deficiency of the cofferdams used in the process of the construction are summarized as well.
出处
《桥梁建设》
EI
CSCD
北大核心
2009年第A01期55-58,共4页
Bridge Construction
关键词
青岛海湾大桥
连续梁桥
承台
围堰
施工技术
Qingdao Bay Bridge
continuous girder bridge
pile cap
cofferdam
construction technique