By several spacial finite element models, the paper presents simulate modeling and analysis of the spacial effects of seismic resistance of long- span stgeel pipe concrete arch bridges, accordingly some useful conclusions and suggestions are obtained.

• 针对大跨径钢管混凝土拱桥的抗震现状,提出了通过建立多个空间有限元模型,可实际地模拟钢管混凝土拱桥在地震作用下的多种空间效应。