通过扬州西北绕城高速公路先张法预应力混凝土空心板梁的施工,对空心板的反拱度进行了理论计算与跟踪测量,经分析比较,提出观点和看法,为今后施工提供参考。 Through the construction of the first prestressed concrete hollow slab beam in Yangzhou Northwest Ring Expressway, the arching degree of the hollow slab is calculated theoretically and tracked. Based on the analysis and comparison, the opinions and opinions are put forward to provide reference for future construction.