Based on coordinating relations of steel and concrete, the grillage structure finite-element method was adopted to analyze the space mechanical effect of curved girder bridges.

• 本文针对曲线梁桥空间力学分析的复杂性，提出了采用基于钢混协作关系的格栅结构有限元法来分析曲线梁桥的空间力学效应。