The concrete continuous beam in the elevated bridge of the South-North Line of Nanjing subway is firstly tasted in China. 摘要南京地鐵南北線(xiàn)一期工程高架區段首次在國內采用了預應力混凝土連續梁的型式。
The method of Incremental launching is widely used in the construction of prestressed concrete continuous bridges, and has made considerable progresses in recent years. 頂推施工方法在預應力混凝土連續梁橋的施工中早有應用，這類(lèi)橋梁的設計方法和頂推施工工藝目前都已經(jīng)相對比較成熟。
