三跨变截面预应力混凝土双箱双室并联连续箱梁桥的空间受力分析研究

Spatial Analysis of Three?span Prestressed Concrete Continuous Box Girder Bridge with Tow Parallel Boxes Double Celles and Varying Depth

本文对一座典型的三跨(30+50+30)变截面预应力混凝土双箱双室并联连续箱梁桥,利用空间板壳有限元来模拟真实的桥梁,进行空间受力分析和参数研究,并进行了荷载试验研究,说明宽桥横向刚度对桥梁变形和应力的影响。

The spatial analysis and parameter research of three?span prestressed concrete continuous box girder bridge with tow parallel boxes double celles are presentedThe experimental investigation is also madeThe influence of transverse rigidity of the continuous box girder bridge with tow parallel boxes double celles on distortion and stress of the bridge is explored