Prediction and analysis of vibration and structural noise of upper cover building of double-deck depot
FENG Qingsong, YU Chao, TANG Baizan, ZHOU Tao
Engineering Research Center of Railway Environmental Vibration and Noise, Ministry of Education, East China Jiaotong University, Nanchang 330013, China
Abstract：In order to study the vibration and indoor structural noise characteristics of the over-track building caused by the operation of metro in the double-deck depot, taking the over-track building property project of the first double-deck depot in China as the research object, the propagation law of vibration and radiated secondary structural noise of the over-track building in the double-deck depot is systematically analyzed by using the method of field measurement and numerical simulation. Based on the finite element model of earth-depot-over-track building, the vibration propagation characteristics of the over-track building under train load are calculated, and then the radiated noise and its characteristics of the indoor structure of the over-track building are analyzed by using the acoustic transfer vector method. Finally, the noise radiation contribution of indoor panels and the noise reduction effect of sound-absorbing plates are studied. The analysis results show that because the high-frequency vibration attenuates rapidly through the soil, at the frequency band above 80Hz, the ground floor vibration of over-track building caused by train operation on the second floor is significantly greater than that on the first floor; The vibration of the over-track building caused by the vibration caused by the train in the operation depot is attenuated to the lowest level on the 10th floor, and then the vibration is amplified with the continuous increase of the floor; At 40 Hz, the ceiling and floor contribute the most to the acoustics of the bedroom site, and the noise reduction effect is the most obvious when the sound-absorbing material is used on the top floor.
冯青松，余超，唐柏赞，周涛. 双层车辆段上盖建筑振动与结构噪声预测分析[J]. 振动与冲击, 2023, 42(9): 304-311.
FENG Qingsong, YU Chao, TANG Baizan, ZHOU Tao. Prediction and analysis of vibration and structural noise of upper cover building of double-deck depot. JOURNAL OF VIBRATION AND SHOCK, 2023, 42(9): 304-311.
[1] 张明.地铁车辆段综合开发关键设计问题及应对措施研究[J].现代城市轨道交通,2021(05):88-93.
ZHANG Ming. Research on key design problems and countermeasures of comprehensive development of metro depot [J]. Modern Urban Transit,2021(05):88-93.
[2] 夏禾，曹艳梅.轨道交通引起的环境振动问题[J].铁道科学与工程学报,2004(1):44.
XIA He, CAO Yanmei. Problems of railway traffic induced vibrations of environments [J]. Journal of Railway Science and Engineering, 2004(1):44. (in Chinese)
[3] THOMPSON D. Railway noise and vibration: mechanisms，modelling and means of control [M]. Amsterdam：Elsevier,2008.
[4] 何卫,谢伟平.地铁车辆段列车动荷载特性实测研究[J].振动与冲击,2016,35(08):132-137.
HE Wei, XIE Weiping. Field measurement of the subway train loading in a car depot [J]. Journal of Vibration and Shock, 2016,35(08):132-137.
[5] 谢伟平,陈艳明,姚春桥.地铁车辆段上盖物业车致振动分析[J].振动与冲击,2016,35(08):110-115.
XIE Weiping, CHEN Yanming, YAO Chunjiao. Vibration analysis of train depot over-track buildings induced by train load [J]. Journal of Vibration and Shock, 2016,35(08):110-115.
[6] 谢伟平,袁葵,孙亮明.地铁车辆段上盖建筑车致振动试验[J].建筑科学与工程学报,2020,37(03):99-107.
XIE Weiping, YUAN Kui, SUN Liangming. Train-induced vibration test of metro depot over-track buildings[J]. Journal of Architecture and Civil Engineering, 2020,37(03):99-107.
[7] 邹超,汪益敏,汪朝晖,曾泽民,何涛.地铁车辆段咽喉区地面振动传播规律实测与分析[J].振动与冲击,2015,34(16):200-206.
[8] ZOU Chao, WANG Yimin, James A. Moore，Masoud Sanayei. Train-induced field vibration measurements of ground and over-track buildings [J]. Science of the Total Environment, 2017,575.
[9] ZOU Chao, WANG Yimin, WANG Peng, et al. Measurement of ground and nearby building vibration and noise induced by trains in a metro depot [J]. Science of the Total Environment,2015, 536:761-773.
[10] 邬玉斌,张斌,刘应华,李贤徽.地铁车辆段库上建筑环境振动影响规律研究[J].铁道学报,2015,37(08):98-103.
WU Yubin, ZHANG Bin, LIU Yinghua, et al. Law of vibrations influence of subway on metro depot superstructure [J]. Journal of the China Railway Society, 2015,37(08):98-103.
[11] 陈艳明,冯青松,刘庆杰,刘文武,罗信伟.下沉式地铁车辆段列检库车致振动实测与分析[J].振动.测试与诊断,2021,41(03):532-538+623.
CHEN Yanming, FENG Qingsong, LIU Qing-jie, et al. Test and analysis of vibration in- duced by train operation in sinking metro depot service shop [J]. Journal of Vibration, Measurement & Diagnosis, 2021,41(03):532-538+623. (in Chinese)
[12] 冯青松,王子玉,刘全民,罗信伟,罗锟,李纪阳.地铁车辆段不同区域振动特性对比分析[J].振动与冲击,2020,39(14):179-185+200.
FENG Qingsong, WANG Ziyu, LIU Quanmin, et al. Comparative analysis of environmental vibration characteristics in different regions of a metro depot [J]. Journal of Vibration, 2020,39(14):179-185+200.
[13] 冯青松,王子玉,刘全民,罗信伟,李纪阳.双振源激励下地铁车辆段上盖建筑物振动特性[J].交通运输工程学报,2019,19(04):59-69.
FENG Qingsong, WANG Ziyu, LIU Quanmin, et al. Vibration characteristic of metro depot upper building under double vibration source excitation [J]. Journal of Traffic and Trans- portation Engineering,2019,19(04):59-69. (in Chinese)
[14] LIU Shaowu. Measurement and analysis of vibration and noise in the ambient environment of metro [J]. Measurement,2020,163.
[15] Sadeghi J, Vasheghani M. Safety of buildings against train induced structure borne noise[J]. Building and Environment, 2021, 197: 107784.
[16] Yang J, Zhu S, Zhai W, et al. Prediction and mitigation of train-induced vibrations of large-scale building constructed on subway tunnel[J]. Science of the total environment, 2019, 668: 485-499.
[17] Kurzweil L G. Ground-borne noise and vibration from underground rail systems[J]. Journal of Sound and Vibration, 1979, 66(3): 363-370.
[18] 陈俊杰. 地铁列车振动影响下建筑结构二次辐射噪声预测方法研究[D].北京交通大学,2018.
CHEN Junjie. Study on prediction of re-radiated noise from structure influenced by vibration of passing metro[D]. Beijing Jiaotong University, 2018.
