摘要
贺兰互通式立交10座大桥共有预应力现浇箱梁42联,其预应力现浇箱梁施工取得了成功。文章主要介绍了满堂式支架基础处理、支架布设及箱梁混凝土浇筑、预应力张拉、封锚等施工工艺,这类施工工艺可为城市互通立交建设提供施工借鉴。
The 10 bridges of Helan interflow flyover have 42 prestress cast-in-place box girders,and the prestress technique has achieved success.The article mainly introduces the construction techniques such as stand handle and arrangement, box girder casting and prestress stretch and sealing off. These techniques provide reference to related construction.
出处
《西部交通科技》
2009年第11期55-60,共6页
Western China Communications Science & Technology
关键词
互通式立交
支架
验算
预应力
箱梁
Interflow flyover
Stand
test
Prestress
Box girder
