摘要
横道子立交桥全桥净跨185m,连续箱梁穿束、张拉是施工难点所在。文章对箱梁施工的脚手架、模板、穿束张拉等关键工艺作论述,并提出了主要施工技术参数及相应的工程实际效果。
The difficulties of Hengdaozi flyover construction lie on positioning and tensioning of the steel strand of 185m long. This article summarizes the key points in scaffolding,formwork,strand positioning and tensioning,as well as the technical parameters adopted during construction and actual effect thereof.
出处
《水运工程》
北大核心
2004年第11期144-148,共5页
Port & Waterway Engineering
关键词
箱梁
后张法
张拉
脚手架
模板
box girder
post-tensioning method
tension
scaffolding
formwork
