中文摘要：

通过欠质量一致相似律对某钢管混凝土拱桥进行缩尺,联动2个振动台组成小型振动台阵,采用正弦波激励,对缩尺模型进行多点振动台试验,以探寻大跨结构的多点振动台试验方法。将试验结果和模拟结果相比较,互相验证了数值模拟的可靠性以及试验结果的有效性,并表明传统的一致激励计算,有可能导致结构抗震性能的不足。

英文摘要：

Scale model of the concrete filled steel tube archbridge was conducted based on the similarity,and two small vibration tables were combined to offer the multi-excitation of sine wave to discuss the method of vibration table tests with multi-excitation.The comparison of the rerults verify the reliability of the numerical calculation results and the validity of the test results.The results show that uniform input maybe induce the insufficient of seismic performance.