The test result shows that deflection of CFST truss girder is mainly attributed to deformation of shear-bending parts and much smaller than that of solid web girder.
试验结果表明：钢管混凝土桁梁变形比实腹梁小很多且主要集中于边段；
Using a spatial composite finite element method, combining three-dimensional solid element and bar element, the mechanical analysis of a two-span curved PC continuous box girder bridge is conducted.
采用三维实体单元和杆单元相结合的空间组合有限元方法，对一座两跨曲线预应力混凝土箱形连续梁桥进行空间受力分析。
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