CLC number: U213.71
On-line Access: 2017-08-04
Received: 2017-02-21
Revision Accepted: 2017-04-24
Crosschecked: 2017-07-07
Cited: 0
Clicked: 4814
Citations: Bibtex RefMan EndNote GB/T7714
Jie-ling Xiao, Hao Liu, Jing-mang Xu, Ping Wang, Gan-zhong Liu, Rong Chen. Longitudinal resistance performance of granular ballast beds under cyclic symmetric displacement loading[J]. Journal of Zhejiang University Science A, 2017, 18(8): 648-659.
@article{title="Longitudinal resistance performance of granular ballast beds under cyclic symmetric displacement loading",
author="Jie-ling Xiao, Hao Liu, Jing-mang Xu, Ping Wang, Gan-zhong Liu, Rong Chen",
journal="Journal of Zhejiang University Science A",
volume="18",
number="8",
pages="648-659",
year="2017",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.A1700058"
}
%0 Journal Article
%T Longitudinal resistance performance of granular ballast beds under cyclic symmetric displacement loading
%A Jie-ling Xiao
%A Hao Liu
%A Jing-mang Xu
%A Ping Wang
%A Gan-zhong Liu
%A Rong Chen
%J Journal of Zhejiang University SCIENCE A
%V 18
%N 8
%P 648-659
%@ 1673-565X
%D 2017
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.A1700058
TY - JOUR
T1 - Longitudinal resistance performance of granular ballast beds under cyclic symmetric displacement loading
A1 - Jie-ling Xiao
A1 - Hao Liu
A1 - Jing-mang Xu
A1 - Ping Wang
A1 - Gan-zhong Liu
A1 - Rong Chen
J0 - Journal of Zhejiang University Science A
VL - 18
IS - 8
SP - 648
EP - 659
%@ 1673-565X
Y1 - 2017
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.A1700058
Abstract: The longitudinal resistance performance of a granular ballast bed under cyclic symmetric displacement loading was studied based on a full-scale test model of ballast track structures. The change law of the longitudinal resistance characteristics of the ballast bed under variable displacement amplitudes was analyzed. The results show that: the resistance-displacement curves of a granular ballast bed are a set of closed hysteretic curves, indicating obvious energy consumption; a granular ballast bed softens gradually during the cyclic process with constant displacement amplitude, and the residual deformation rate increases nonlinearly with increasing cycle number; the peak value of the longitudinal resistance of lines decreases with increasing cycle number; the cyclic softening of a granular ballast bed is dependent on the displacement amplitude–the higher the displacement, the more severe the cyclic softening will become; after cyclic displacement loading is applied several times, the longitudinal resistance of the bed will degenerate obviously, and the higher the displacement amplitude, the higher the longitudinal resistance attenuation rate of the ballast bed will become.
The manuscript presents undeniably an interesting study in the area of ballasted railways. The study has practical significance. The abstract and conclusions contain primary findings of the study. The manuscript is adequately structured.
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