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桥建合一综合结构体系的提出与应用是大型铁路客运站建设中的一项重大创新,但也带来一系列诸如列车荷载引起结构振动的设计难题。针对武汉火车站工程中铁轨桥梁底部的玻璃幕墙结构进行了静力有限元分析和动力减振性能足尺模型试验研究,检测了玻璃幕墙结构在给定动荷载作用下的整体受力状态及基本工作性能,并对减振装置提出优化的合理性建议。
The proposal and application of the integrated construction system of bridge construction is a major innovation in the construction of large-scale railway terminals, but also brings about a series of design challenges such as structural vibration caused by train loads. Aiming at the glass curtain wall structure at the bottom of railroad track bridge in Wuhan Railway Station, the static finite element analysis and the full-scale model test of dynamic vibration damping performance were carried out. The overall stress state of the glass curtain wall structure under a given dynamic load and its basic Work performance, and put forward the optimization of the vibration damping device reasonable suggestions.