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结合金塘大桥东通航孔桥122 m+216 m+122 m连续刚构工程实例,按照交通部颁发的新旧桥涵设计规范进行了对比计算,归纳新旧规范关于预应力混凝土结构的不同之处,以及新规范对特大跨径连续刚构桥设计带来的新变化,为类似桥梁设计提供参考。
Combined with the 122 m + 216 m + 122 m continuous rigid-frame engineering example of the East Navigation Pontoon Bridge of Jintang Bridge, the differences between the old and new codes about prestressed concrete structures are summarized in accordance with the code for design of old and new bridges and culverts issued by the Ministry of Communications. As well as new changes brought by the new code to the design of very large span continuous rigid frame bridge, provide reference for similar bridge design.