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CLC number: U231+.2

On-line Access: 2011-05-09

Received: 2010-06-09

Revision Accepted: 2010-12-21

Crosschecked: 2011-04-24

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Journal of Zhejiang University SCIENCE A 2011 Vol.12 No.5 P.345-359

http://doi.org/10.1631/jzus.A1000276


Low frequency vibration tests on a floating slab track in an underground laboratory


Author(s):  De-yun Ding, Wei-ning Liu, Ke-fei Li, Xiao-jing Sun, Wei-feng Liu

Affiliation(s):  School of Civil Engineering, Beijing Jiaotong University, Beijing 100044, China; more

Corresponding email(s):   dyding2301@163.com

Key Words:  Low frequency vibrations, Laboratory tests, Floating slab track (FST), Vibration isolation efficiency


De-yun Ding, Wei-ning Liu, Ke-fei Li, Xiao-jing Sun, Wei-feng Liu. Low frequency vibration tests on a floating slab track in an underground laboratory[J]. Journal of Zhejiang University Science A, 2011, 12(5): 345-359.

@article{title="Low frequency vibration tests on a floating slab track in an underground laboratory",
author="De-yun Ding, Wei-ning Liu, Ke-fei Li, Xiao-jing Sun, Wei-feng Liu",
journal="Journal of Zhejiang University Science A",
volume="12",
number="5",
pages="345-359",
year="2011",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.A1000276"
}

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%T Low frequency vibration tests on a floating slab track in an underground laboratory
%A De-yun Ding
%A Wei-ning Liu
%A Ke-fei Li
%A Xiao-jing Sun
%A Wei-feng Liu
%J Journal of Zhejiang University SCIENCE A
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%N 5
%P 345-359
%@ 1673-565X
%D 2011
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.A1000276

TY - JOUR
T1 - Low frequency vibration tests on a floating slab track in an underground laboratory
A1 - De-yun Ding
A1 - Wei-ning Liu
A1 - Ke-fei Li
A1 - Xiao-jing Sun
A1 - Wei-feng Liu
J0 - Journal of Zhejiang University Science A
VL - 12
IS - 5
SP - 345
EP - 359
%@ 1673-565X
Y1 - 2011
PB - Zhejiang University Press & Springer
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DOI - 10.1631/jzus.A1000276


Abstract: 
low frequency vibrations induced by underground railways have attracted increasing attention in recent years. To obtain the characteristics of low frequency vibrations and the low frequency performance of a floating slab track (FST), low frequency vibration tests on an FST in an underground laboratory at Beijing Jiaotong University were carried out. The FST and an unbalanced shaker SBZ30 for dynamic simulation were designed for use in low frequency vibration experiments. Vibration measurements were performed on the bogie of the unbalanced shaker, the rail, the slab, the tunnel invert, the tunnel wall, the tunnel apex, and on the ground surface at distances varying from 0 to 80 m from the track. Measurements were also made on several floors of an adjacent building. Detailed results of low frequency vibration tests were reported. The attenuation of low frequency vibrations with the distance from the track was presented, as well as the responses of different floors of the building. The experimental results could be regarded as a reference for developing methods to control low frequency vibrations and for adopting countermeasures.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article

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