乐山至沙湾城际生态大道一号桥连续梁施工技术  

Continuous Beam Construction Technology of No.1 Bridge of Ecological Avenue Between Leshan and Shawan

作　　者：曹辉[1] 蔡伟[1] CAO Hui;CAI Wei(Sinohydro Bureau No.7 Co.Ltd.,Chengdu 610213,China)

机构地区：[1]中国水利水电第七工程局有限公司

出　　处：《工程建设与设计》2020年第1期218-220,共3页Construction & Design for Engineering

摘　　要：主要阐述乐山至沙湾城际生态大道生态河一号桥中部第10跨~第12跨连续梁施工时,依托枯水期河水流量小和前期已形成的砂卵石施工平台等外在优势,采用满堂支架法分2次浇筑混凝土、全梁张拉的施工工艺,提前完成工期任务,可供参考。This paper mainly describes the construction of the 10 th to 12 th span continuous beam in the middle of ecological river No.1 bridge of Leshan to Shawan intercity ecological avenue.Based on the advantages of small river flow in dry season and the sand pebble construction platform that has been formed in the early stage,the construction technology of pouring concrete and tensioning the whole beam in two times with full support method is adopted to complete the construction period task in advance,which can be used for reference.

关 键 词：现浇连续梁 满堂支架 预应力张拉 

分 类 号：U445.4[建筑科学—桥梁与隧道工程]