摘要
本文提出一种分析车辆-桥梁-桥墩体系动力相互作用的方法。建立了体系的动力分析模型。以四座高墩、多跨简支梁桥和试验列车为实例,用计算机模拟列车过桥的全过程,计算了列车荷载作用下直线桥和曲线桥高桥墩的动力响应,分析了桥墩振动对车辆运行安全和平稳的影响。计算结果和实测结果对比证明本文方法是有效的。
In this paper, a method for solving the lateral dynamic interaction in thevehicle-girder-pier system is proposed. The analytical model of the system isdeveloped. Taking four multi-span bridges with high piers and simply-sup-ported beams as examples, the whole history of a test train passing on thebridges is simulated by computer. The dynamic characteristics of high piersunder train-loads and the influences of the pier vibration on the safety andstability of the train in operation are analysed.The simulated results are com-pared with those from the field measurements. The results show that theproposed method is effective in use.
出处
《土木工程学报》
EI
CSCD
北大核心
1992年第2期3-12,共10页
China Civil Engineering Journal
基金
国家自然科学基金
