Investigation on Influence of Metro Station Structure on Environmental Vibration Induced by Railway Traffic
Considerable attention has been drawn to the environmental vibration induced by railway traffic in rail transit design. The numerical modeling strategies of metro station used for predict the railway traffic induced environmental vibration are studied in this paper, and the practical analytic model as well as the methods of the related parameter identification is presented. Base on a proposed metro station project, a quasi-three-dimensional station dynamic structure-soil interface FEM model was established to investigate the influence of station structure on the environmental vibration induced by railway traffic. Three different station structures with composite walls, compound walls and separated walls, respectively, were analyzed and compared in time history responses, 1/3 octave spectrum and attenuation tendencies of peak acceleration. The results show that separation of lined wall and retaining wall can reduce the environmental vibration and station with separated-wall is the optimal solution for the area having high limitation for the environmental vibration.
1.State Key Laboratory of Disaster Reduction in Civil Engineering, Tongji University, Shanghai 200092;
2. Shanghai Tunnel Engineering & Rail Transit Design and Research Institute, Shanghai 200235
3. Shanghai Rail Transit L10 Development Co.Ltd, Shanghai 201103
Abstract：Considerable attention has been drawn to the environmental vibration induced by railway traffic in rail transit design. The numerical modeling strategies of metro station used for predict the railway traffic induced environmental vibration are studied in this paper, and the practical analytic model as well as the methods of the related parameter identification is presented. Base on a proposed metro station project, a quasi-three-dimensional station dynamic structure-soil interface FEM model was established to investigate the influence of station structure on the environmental vibration induced by railway traffic. Three different station structures with composite walls, compound walls and separated walls, respectively, were analyzed and compared in time history responses, 1/3 octave spectrum and attenuation tendencies of peak acceleration. The results show that separation of lined wall and retaining wall can reduce the environmental vibration and station with separated-wall is the optimal solution for the area having high limitation for the environmental vibration.
赵 斌1，杨 彪1，李明文2，马忠政3. 车站结构型式对地铁诱发环境振动的影响分析[J]. 振动与冲击, 2015, 34(7): 115-120.
ZHAO Bin1 YANG Biao1 LI Mingwen2 MA Zhongzheng3. Investigation on Influence of Metro Station Structure on Environmental Vibration Induced by Railway Traffic. JOURNAL OF VIBRATION AND SHOCK, 2015, 34(7): 115-120.
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