基于阻抗和功率守恒法的地铁车辆段上盖建筑车致振动预测模型研究

摘要
图/表
参考文献(14)
相关文章 (15)

全文: PDF (2559 KB) HTML (1 KB)
输出: BibTeX | EndNote (RIS)

摘要为评价地铁车辆段上盖建筑车致振动响应对人体舒适度的影响并指导减隔振措施设计，以深圳地铁某车辆段上盖钢框架结构为对象，基于波传导理论提出了计算高效的竖向振动预测模型。该模型包含两个子模型，子模型一基于阻抗法考虑竖向振动以轴向波的形式沿结构柱向上传播，以上盖平台柱脚速度作为输入预测上盖建筑各楼层柱脚振动响应；子模型二考虑梁板组合效应，推导了梁端驱动点阻抗，利用子模型一计算得到的柱脚振动速度作为输入，基于功率守恒原理预测楼板时空平均振动响应。通过将预测模型的计算结果与现场实测结果进行对比，验证了预测模型的有效性。研究成果可为地铁车辆段上盖建筑车致振动提供高效、简便的科学预测方法和理论依据。

	服务

	把本文推荐给朋友
	加入我的书架
	加入引用管理器
	E-mail Alert
	RSS
	作者相关文章
	陶子渝1
	汪益敏1
	邹超2

关键词 ：地铁车辆段, 上盖建筑, 车致振动, 预测模型, 波传导, 驱动点阻抗, 功率守恒

Abstract：To evaluate the impact of the train-induced vibration on human comfort and guide the design of vibration reduction and isolation measures, a computationally efficient vertical vibration prediction model is proposed based on the wave propagation theory. It contains two sub-models. The first one considers the vertical vibration propagates upwards along the structural columns in the form of axial waves and predicts vibration levels at column bases on upper floors using velocities at the platform level column bases as input. The second sub-model accounts for point impedances for beams under beam-floor composite action and predicts the space-time averaged vibrations of a floor bay based on power conservation, using predicted column base velocities from the first sub-model as inputs. The validity of the prediction model is verified by comparing the predictions with field measurements. This research can provide an efficient and simple scientific prediction method and theoretical basis for the train-induced vibration within over-track buildings.

Key words： Metro depot over-track building train-induced vibration prediction model wave propagation point impedance power conservation

收稿日期: 2021-01-27 出版日期: 2022-04-15

引用本文:

陶子渝1，汪益敏1，邹超2. 基于阻抗和功率守恒法的地铁车辆段上盖建筑车致振动预测模型研究[J]. 振动与冲击, 2022, 41(7): 62-67.
TAO Ziyu1, WANG Yimin1, ZOU Chao2. Prediction model of vehicle-induced vibration of metro depot superstructure based on impedance and power conservation method. JOURNAL OF VIBRATION AND SHOCK, 2022, 41(7): 62-67.

链接本文:

http://jvs.sjtu.edu.cn/CN/ 或 http://jvs.sjtu.edu.cn/CN/Y2022/V41/I7/62

[1] 邬玉斌，张斌，刘应华，等．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(8): 98-103.
WU Yu-bin, ZHANG Bin, LIU Ying-hua, et al. Law of vibrations influence of subway on metro depot superstructure [J]. Journal of the China Railway Society, 2015, 37(8): 98-103.
[2] 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(8): 110-115.
XIE Wei-ping, CHEN Yan-min, YAO Chun-qiao. Vibration analysis of train depot over-track buildings induced by train load [J]. Journal of Vibration and Shock, 2016, 35(8): 110-115.
[3] 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(8): 132-137．
HE Wei， XIE Wei-ping．Field measurement of the subway train loading in a car depot [J]. Journal of Vibration and Shock，2016, 35(8): 132-137.
[4] Zou Chao, Wang Yi-min, Moore J A, et al. Train-induced field vibration measurements of ground and over-track buildings[J]. Science of the Total Environment, 2017, 575: 1339-1351.
[5] Tao Zi-yu, Wang Yi-min, Sanayei M, et al．Experimental study of train-induced vibration in over-track buildings in a metro depot[J]. Engineering Structures, 2019, 198, 109473．
[6] 何蕾，宋瑞祥，邬玉斌，等．车速对车辆段上盖物业振动影响的实测分析[J]．建筑结构，2015, 45(19): 96-99.
HE Lei, SONG Ruixiang, WU Yubin. Analysis on actual measurement of train speed influence on the vibration of over-track buildings of metro-depot [J]. Building Structure, 2015, 45(19): 96-99.
[7] 邹超,汪益敏,汪朝晖,等.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.
Zou Chao, Wang Yi-min, Wang Zhao-hui, et al. Field measruement and analysis of ground vibration in the throat area of metro depot [J]. Journal of vibration and shock, 2015, 34(16): 200-206.
[8] 陈艳明, 冯青松, 刘庆杰,等. 下沉式地铁车辆段咽喉区车致振动特性[J]. 交通运输工程学报, 2020, 20(3): 51-60.
Chen, Y.M., Feng, Q.S., Liu, Q.J., et al. Train-induced vibration characteristics in throat area of sinking metro depot [J]. Journal of Traffic and Transportation Engineering. 2020, 20(3): 51-60.
[9] Federal Transit Administration. Transit Noise and Vibration Impact Assessment. The Administration, U.S., Washington, 2018
[10] Guo Tong, Cao Zhi-liang., Zhang Zhi-qiang, et al. Numerical simulation of floor vibrations of a metro depot under moving subway trains [J]. Journal of Vibration and Control, 2018, 24(18): 4353-4366
[11] Sanayei M., Kayiparambil P. A., Moore, J. A., et al. Measurement and prediction of train-induced vibrations in a full-scale building [J]. Engineering Structures, 2014, 77: 119-128.
[12] Zou, C., Moore, J. A., Sanayei, M., et al. Efficient impedance model for the estimation of train-induced vibrations in over-track buildings [J]. Journal of Vibration and Control, 1077546320935285.
[13] Pinnington R J, White R G. Power flow through machine isolators to resonant and non-resonant beams [J]. Journal of Sound and Vibration, 1981, 75(2): 179-197.
[14] Beranek, Leo L. Noise and Vibration Control [M]. Washington: Institute of Noise Control Engineering, 1988.