北京南站站厅结构列车运行激励的振动分析

Vibration Analysis of Train Running on Beijing Southern Station Building

北京南站厅结构为多层框架结构,地面以下为钢管混凝土柱和钢筋混凝土梁,地面以上为钢筋混凝土柱和大跨度钢梁。地上层1为轨道层,地上层2为旅客候车大厅。列车在轨道层的运行势必激励整个框架结构发生振动,因而影响地上层2候车大厅内候车旅客的舒适性以及整个框架结构的安全性。通过对地面轨道层列车运行激励下北京南站站厅结构的振动分析,并对地上层2候车大厅内旅客的舒适性以及地上层1轨道层结构的安全性进行评价,结果表明北京南站站厅结构满足人的舒适性和结构安全性要求,从而为北京南站站厅结构的设计提供重要的参考依据。

The station building of Beijing Southern Station is a frame structure,in which the underground part is consisted of concrete-filled steel tubular columns and reinforced concrete beams,and the overground part is consisted of the reinforced concrete columns and steel beams.The ground floor is the rail floor,and the first floor is the waiting rooms of passengers.The running of trains on the ground floor may excite the station building to vibrate,which will influence the personal amenity of passengers in the waiting rooms on the first floor and the structural safety of the station building.The vibration analysis for the station building of Beijing Southern Station under the excitation of train running on the ground floor is performed,and the personal amenity of passengers in the waiting rooms on the first floor and the structural safety of the station building is evaluated.The results show that the station building of Beijing Southern Station meets the requirement of the personal amenity and the structural safety,which provides an important reference for the design of the station building of Beijing Southern Station.