嘉绍高速公路嘉兴2号枢纽上跨沪杭高速公路匝道桥设计方案比选

Design Alternative Comparison of Ramp Bridge of JiaxingShaoxing Expressway Jiaxing No.2 Hub Overpassing ShanghaiHangzhou Expressway

对于上跨沪杭高速公路的匝道桥,提出预应力混凝土连续梁和钢箱-混凝土组合梁两个设计方案,并从设计、施工、经济性等多方面对设计方案进行比选,以适应该桥特殊的施工环境要求。

For the ramp bridge overpassing Shanghai-Hangzhou Expressway,two design schemes of prestressed concrete continuous beam and steel box-concrete composite beam are put forward and compared from aspects of design,construction and economy to meet the demands of the special construction environment.