This study presents the results of ongoing research to investigate the shear-friction behaviour of the interface between high-strength (HS) concrete and lightweight (LW) concrete by conducting tests on 18 push-off specimens with a smooth interface condition. The primary parameters considered are the compressive strength of LW concrete and clamping stress through the shear interface. Together with test data from previous studies, the experimental results indicate that both LW concrete strength and clamping stress have an influence on interface shear capacity. Furthermore, an analytical model for predicting the ultimate resistance of the interface between HS and LW concrete is proposed, and the feasibility of this modified equation verified by the experimental results from related references.
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January 2020
Research Article|
September 28 2018
Shear-friction behaviour on smooth interface between high-strength and lightweight concrete
Zhuangcheng Fang;
Zhuangcheng Fang
PhD candidate, School of Civil and Transportation Engineering, Guangdong University of Technology, Guangzhou Higher Education Mega Center, Guangzhou, China
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Haibo Jiang;
Haibo Jiang
Professor, School of Civil and Transportation Engineering, Guangdong University of Technology, Guangzhou Higher Education Mega Center, Guangzhou, China (corresponding author: hbjiang@gdut.edu.cn)
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Airong Liu;
Airong Liu
Professor, Guangzhou University–Tamkang University Joint Research Center for Engineering Structure Disaster Prevention and Control, Guangzhou University, Guangzhou Higher Education Mega Center, Guangzhou, China
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Jiahui Feng;
Jiahui Feng
MPhil candidate, School of Civil and Transportation Engineering, Guangdong University of Technology, Guangzhou Higher Education Mega Center, Guangzhou, China
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Yuhong Li
Yuhong Li
MPhil candidate, School of Civil and Transportation Engineering, Guangdong University of Technology, Guangzhou Higher Education Mega Center, Guangzhou, China
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Publisher: Emerald Publishing
Received:
March 05 2018
Revision Received:
July 28 2018
Accepted:
August 21 2018
Online ISSN: 1751-763X
Print ISSN: 0024-9831
ICE Publishing: All rights reserved
2018
Magazine of Concrete Research (2020) 72 (2): 68–87.
Article history
Received:
March 05 2018
Revision Received:
July 28 2018
Accepted:
August 21 2018
Citation
Fang Z, Jiang H, Liu A, Feng J, Li Y (2020), "Shear-friction behaviour on smooth interface between high-strength and lightweight concrete". Magazine of Concrete Research, Vol. 72 No. 2 pp. 68–87, doi: https://doi.org/10.1680/jmacr.17.00393
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