大跨度变截面预应力混凝土连续箱梁景观桥施工技术  

Construction Technology of Long-span Variable Section Prestressed Concrete Continuous Box Girder Landscape Bridge

作　　者：林志斌 LIN Zhi-bin(POWERCHINA SINOHYDRO ENGINEERING BUREAU 14 CO.,LTD.,Kunming 650041,China)

机构地区：[1]中国水利水电第十四工程局有限公司,云南昆明650041

出　　处：《云南水力发电》2022年第5期75-79,共5页Yunnan Water Power

摘　　要：以双鹤湖中央公园生物科技二街桥为例,重点阐述了变截面预应力混凝土连续箱梁景观桥施工方法。线形变化较大,施工组织困难,采用满堂支架法现浇组织施工,对模板支架体系荷载预压和变形监测、箱梁混凝土浇筑等环节制定了相关施工程序、方法和控制措施,全过程质量控制,较好的完成了施工任务,达到了设计最终施工效果。Taking the Biotechnology Second Street Bridge of Shuanghehu Central Park as an example,this paper mainly elaborates the construction method of variable section pre-stressed concrete continuous box girder landscape bridge.In-situ construction with full-room support method is adopted.Relevant construction procedures,methods and control measures are formulated for load preloading and deformation monitoring of formwork support system and box girder concrete placing.Through the quality control of the whole process,the construction task has been well completed and the final construction effect has been achieved.

关 键 词：变截面 连续箱梁 景观桥 施工技术 

分 类 号：U445.4[建筑科学—桥梁与隧道工程]