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建立2种不同的有限元力学模型,比较考虑与不考虑钢管和混凝土之间相互作用时钢管混凝土拱桥的抗震性能。结果表明,2模型在内力上还是有一定的差异,为钢管混凝土拱桥合理模型的建立提供参考。
Two different finite element mechanical models were established, and the seismic performance of CFST arch bridge was compared with and without consideration of the interaction between the steel tube and the concrete. The results show that there is still some difference between the two models in internal forces, which provides a reference for the establishment of rational model of CFST arch bridge.