三岔河特大桥上部构造预应力砼连续刚构的施工难点

Difficulty on Prestressed Concrete Continuous Rigid Frame Construction of Superstructure of Sancha River Super Large Bridge

结合三岔河特大桥连续刚构上部构造施工的工程实例,介绍施工技术方案,分析施工中的重点问题,以保障大跨径预应力砼连续刚构桥的稳定性和使用安全性。

Combined with the construction engineering practice of prestressed concrete continuous rigidframe of the superstructure of Sancha River Super Large and the key points of construction are analyzed in order stressed concrete continuous rigid frame bridge. Bridge, the construction to guarantee the stability technical scheme is introduced, and security of large span pre-