本文主要针对预应力混凝土曲线梁桥抗扭设计中的相关问题进行了分析计算。
This article mainly aimed at analyzing and calculating some problems related to the torsion design of curved prestressed concrete girder Bridges.
基于现行硅结构设计规范，提出了组合梁从开裂到极限阶段抗扭刚度的计算公式，可供组合梁受扭设计参考。
Based on current concrete design criterion, a torsion stiffness formula for composite beams from the cracking stage to the limit stage was proposed for design reference.
计算表明：由于钢桁梁桥的抗扭刚度较小，曲线钢桁梁桥的弯扭耦合作用对动力分析有很大的影响。
The result shows that: because of steel truss bridge's small torsional rigidity, bending-torsion coupling vibration of steel truss bridge exerts great influence on dynamic analysis.
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