The concrete continuous beam in the elevated bridge of the South-North Line of Nanjing subway is firstly tasted in China. 摘要南京地铁南北线一期工程高架区段首次在国内采用了预应力混凝土连续梁的型式。
The method of Incremental launching is widely used in the construction of prestressed concrete continuous bridges, and has made considerable progresses in recent years. 顶推施工方法在预应力混凝土连续梁桥的施工中早有应用,这类桥梁的设计方法和顶推施工工艺目前都已经相对比较成熟。