上跨既有线现浇预应力箱梁施工技术研究  

Research on Construction Technology of Cast-in_Place Prestressed Box Girder of Upper Crossing Line

作　　者：张坤 李周 ZHANG Kun;LI Zhou(Nuclear Industry Southwest Construction Group Co.Ltd.,Dazhou 610000,China)

机构地区：[1]核工业西南建设集团有限公司,四川达州610000

出　　处：《工程建设与设计》2020年第23期206-208,共3页Construction & Design for Engineering

摘　　要：介绍了实际应用中混凝土浇筑的技术特点以及预应力张拉、压浆的施工特点,总结了预应力箱梁施工技术的研究成果,为后续施工提供了参考价值。This paper introduces the technical characteristics of concrete pouring in practical application and the construction characteristics of prestressed tension and grouting,and summarizes the research results of prestressed box girder construction technology,which provides reference value for subsequent construction.

关 键 词：预应力箱梁 施工技术 混凝土浇筑 预应力张拉 

分 类 号：TU445[建筑科学—岩土工程]