单箱三室预应力砼连续梁桥箱梁施工技术—以望谟县宁波大桥主桥为例

Construction Technology of Box Girder of Single Box Three-chamber Prestressed Concrete Continuous Girder Bridge

文章介绍单箱三室预应力砼连续梁桥箱梁施工技术,主要包括地基处理、基础施工、支架门洞及栈桥施工、支架搭设及预压、模板及钢筋施工、砼浇筑及预应力张拉压浆、支架拆除、支架验算等施工技术。

This paper introduces the box girder construction technology of single box three-chamber prestressed concrete continuous girder bridge,mainly including foundation treatment,foundation construction,support door opening and trestle construction,support erection and preloading,formwork and reinforcement construction,concrete pouring,prestressed tensioning and grouting,support removal,support checking calculation and other construction technologies.