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海上大型预应力混凝土箱梁整孔预制与架设技术
Construction Techniques for Full-Span Precasting and Erection of Offshore Large Size Prestressed Concrete Box Girders
【摘要】 杭州湾跨海大桥海上引桥全部采用70 m先简支后连续的预应力混凝土箱梁。介绍该70 m预应力混凝土箱梁整孔制造、陆上移运、海上运输架设及采用的新材料、新工艺和新设备。
【Abstract】 The offshore approach spans of Hangzhou Bay Sea-Crossing Bridge are all designed to use the 70-m span prestressed concrete box girders that are first simply supported and then made continuous during erection.In this paper,the construction techniques for precasting,shifting and delivery on land,and transportation at sea of the 70-m span concrete box girders in each full span and the new materials,workmanship and equipment having been applied to the construction of the girders are dealt with.
【关键词】 杭州湾跨海大桥；
箱形梁；
预应力混凝土结构；
预制；
桥梁架设；
【Key words】 Hangzhou Bay Sea-Crossing Bridge； box girder； prestressed concrete structure； precasting； bridge erection；
【Key words】 Hangzhou Bay Sea-Crossing Bridge； box girder； prestressed concrete structure； precasting； bridge erection；
- 【文献出处】 桥梁建设 ,Bridge Construction , 编辑部邮箱 ,2006年03期
- 【分类号】U445.46
- 【被引频次】13
- 【下载频次】133