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. 本文針對曲線(xiàn)梁橋空間力學(xué)分析的復雜性,提出了采用基于鋼混協(xié)作關(guān)系的格柵結構有限元法來(lái)分析曲線(xiàn)梁橋的空間力學(xué)效應。