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介绍了宁杭高速公路南河大桥主桥钢管混凝土下承式系杆拱总体设计及构造上的特点和结构分析, 并根据该桥的结构设计特点提出了相应的施工工艺。
This paper introduces the overall design and structural features and structural analysis of CFST underpinning arch bridge of Nanjing-Hangzhou Expressway main bridge, and puts forward the corresponding construction technology according to the structural design characteristics of the bridge.