摘要
结合大跨度预应力混凝土曲梁的工程设计实践,对预应力曲梁的材料选择、预应力筋的线型选择、载荷取值与内力计算、预应力筋与非预应力筋的选配、曲梁裂缝及挠度控制等问题进行了分析,可供设计建造同类工程参考.
The problems in wide span curve girder are analyzed, which are, how to determine the material of the curve girder, the profile of prestressing tendons, how to calculate external loads and internal forces, how to compute areas of prestressing tendons and non-prestressing steel; how to control the crack and deflection of the girder. It can be reference to design homogeneous construction.
关键词
预应力
混凝土
曲梁
挠度
prestressing
concrete
curve girder
deflection
