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ANALYSIS OF VIBRATION EFFECTS OF ELEVATED LIGHT RAIL TRAIN THROUGH SHENZHEN NORTH RAILWAY STATION
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摘要: 为实现乘客零换乘的设计思路，深圳城市轻轨4、6号线高架于深圳北站站房结构上，这使得列车引起的振动直接作用于车站建筑物，并影响到站房其他区域而产生振动，进而有可能影响到站房尤其是候车旅客的舒适性及站内附加设施的使用性能。车站结构设计时，将轨道交通车辆与深圳北站站房建筑物建立动力耦合系统进行分析研究，考虑轻轨列车不平顺、单列、双列、4线同时进站制动的各种情况，把制动力时程输入车站站房整体结构计算，从加速度响应角度对深圳北站站房结构在轻轨列车制动力作用下的振动状态进行分析和评价。计算结果表明，最不利运行工况下，高架列车所致站房振动加速度效应满足旅客的舒适性限值要求。Abstract: To realize the design objective of no transit, the elevated light railway Line 4 and Line 6 go through Shenzhen North Railway Station.The vibration due to light railway acts on the railway station building directly, and the other parts of the station building.And it will maybe influence the comfort level of the passengers in the waiting hall and the service performance of additional facilities in station.In the station structural design process, the dynamic responses of vehicle-building structure couple system for Shenzhen North Railway Station under the action of light railway Line 4 and Line 6 were studied.The vehicle brake forces time histories were acted on the station building structure, considering the train irregularity and the cases of single train braking, double train braking and 4 Lines braking.The analysis of vibration was focused on the acceleration response of station building.The results showed that vibration effects could meet the requirement of passengerscomforts.
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