客货共线 T 型提速梁预应力张拉施工技术客货共线 T 型提速梁预应力张拉施工技术 摘要：时速 200km 预制后张法简支 T 梁，是一种高性能混凝土桥梁，采纳 C55 高性能耐久混凝土，设计使用寿命 100 年
可满足时速 200km 客货列车运行需求
桥梁主体采纳预制场集中预制，本文着重对制梁过程中预应力张拉这一特别工艺过程中的操作要点重点的加以论述，可为此系列其他类型梁的施工起到借鉴作用
关键词：预应力；T 梁；张拉；工艺 Abstract: the speed of 200 km after the precast Zhang Fajian T beam, is a kind of high performance concrete bridge, USES the C55 high performance durability of concrete, the design service life of 100 years
Can meet the demand of train operation speed of 200 km passenger and cargo transport
Bridge main body adopts prefabricated prefabricated centrally, this article emphatically in the process of making beam prestressed tensioning operation key point of emphasis in the course of this special process to, may be for this series of other types of beam to be used for reference in
