锦江双线特大桥连续梁悬臂施工技术  

Cantilever Construction Technology of Continuous Beam for Jinjiang Double-Line Extra-Large Bridge

作　　者：钟雄辉 ZHONG Xiong-hui(China Civil Engineering Construction Corporation North Construction Co.Ltd.,Beijing 100071,China)

机构地区：[1]中土集团北方建设有限公司,北京100071

出　　处：《工程建设与设计》2024年第10期176-178,共3页Construction & Design for Engineering

摘　　要：以锦江双线特大桥工程为例,根据连续梁悬臂施工要求,提出菱形挂篮设计方案,明确了挂篮的结构组成及挂篮预压方法,进而着重研究挂篮悬臂施工技术的应用要点,包含模板、钢筋、混凝土、预应力、挂篮各分项工程的具体施工方法,以保证挂篮悬臂施工的顺利进行,提高连续梁悬臂施工质量,促进桥梁工程的高质量发展。Taking Jinjiang double-line extra-large bridge project as an example,according to the cantilever construction requirements of continuous beam,the design scheme of diamond hanging basket is proposed,the structural composition and the preloading method of hanging basket are defined,then the application key points of hanging basket cantilever construction technology are studied,including the specific construction methods of formwork,reinforcement,concrete,prestress and hanging basket,so as to ensure the smooth construction of hanging basket cantilever,improve the quality of continuous beam cantilever construction,and promote the high-quality development of bridge engineering.

关 键 词：特大桥梁 连续梁 挂篮 悬臂施工 预应力 

分 类 号：U448.215[建筑科学—桥梁与隧道工程] U445.466[交通运输工程—道路与铁道工程]