To study the effect of interface strength on the damage of railway slab–track joints, a finite-element model of slab joint damage was established based on the cohesive zone model. The damage behaviour of slab joints with two interfaces was analysed, and the effect of the interface strength between slab joint and slab and between asphalt cement mortar and slab on slab joint damage was studied. The specimens were designed to determine the interface properties. It was found that breakage of the narrow joint and fracture at the junction between the broad joint and narrow joint were the main damage patterns of the slab joint. The effect of the interface strength between the slab joint and slab was obvious. The interface strength should be elevated by better preparation of the contacting faces before pouring. Improving the interface strength between the mortar layer and slab cannot effectively reduce the damage.
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June 2022
Research Article|
May 30 2019
Effects of interface strength on damage to railway slab–track joints under temperature rise
Xiaokai Liu, BEng;
Xiaokai Liu, BEng
Doctoral student, MOE Key Laboratory of High-speed Railway Engineering, Chengdu, Sichuan, P. R. China; Southwest Jiaotong University of Civil Engineering, Chengdu, Sichuan, P. R. China
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Jieling Xiao, PhD;
Jieling Xiao, PhD
Lecturer, MOE Key Laboratory of High-speed Railway Engineering, Chengdu, Sichuan, P. R. China; Southwest Jiaotong University of Civil Engineering, Chengdu, Sichuan, P. R. China (corresponding author: xjling@swjtu.cn)
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Wenhao Zhang, BEng;
Wenhao Zhang, BEng
Postgraduate student, MOE Key Laboratory of High-speed Railway Engineering, Chengdu, Sichuan, P. R. China; Southwest Jiaotong University of Civil Engineering, Chengdu, Sichuan, P. R. China
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Hongpei Qin, BEng;
Hongpei Qin, BEng
Postgraduate student, MOE Key Laboratory of High-speed Railway Engineering, Chengdu, Sichuan, P. R. China; Southwest Jiaotong University of Civil Engineering, Chengdu, Sichuan, P. R. China
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Xueyi Liu, PhD
Xueyi Liu, PhD
Professor, MOE Key Laboratory of High-speed Railway Engineering, Chengdu, Sichuan, P. R. China; Southwest Jiaotong University of Civil Engineering, Chengdu, Sichuan, P. R. China
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Publisher: Emerald Publishing
Received:
October 20 2018
Accepted:
April 12 2019
Online ISSN: 1751-7710
Print ISSN: 0965-092X
ICE Publishing: All rights reserved
2019
Proceedings of the Institution of Civil Engineers - Transport (2022) 175 (3): 156–167.
Article history
Received:
October 20 2018
Accepted:
April 12 2019
Citation
Liu X, Xiao J, Zhang W, Qin H, Liu X (2022), "Effects of interface strength on damage to railway slab–track joints under temperature rise". Proceedings of the Institution of Civil Engineers - Transport, Vol. 175 No. 3 pp. 156–167, doi: https://doi.org/10.1680/jtran.18.00168
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