This paper presents an experimental investigation and modeling of interface creep behavior of glass fiber-reinforced polymer (GRFP) tendons embedded in cemented soils. Rapid and creep pullout tests were carried out on GRFP tendons embedded in cemented soils using a specially developed pullout setup. Interface creep displacement responses for specimens with two different water–cement ratios were derived under various interface shear stress conditions. A modified Burgers model was developed to characterize the interface creep behavior by incorporating a time-dependent viscosity coefficient. This viscosity coefficient was calibrated using creep rate variation obtained experimentally. Regression fittings on a part of interface creep measurements were conducted to determine the value of the parameters of the interface creep model. Additional interface creep measurements were used to validate the applicability of the presented creep testing protocol and the effectiveness of the rheological modeling was validated.
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June 2022
Research Article|
February 15 2022
Interface creep behavior of tensioned GFRP tendons embedded in cemented soils Available to Purchase
C. Chen;
C. Chen
1Professor, Key Laboratory of Building Safety and Energy Efficiency of the Ministry of Education, Hunan University, Changsha, P.R. China; College of Civil Engineering, Hunan University, Changsha, Hunan, P.R. China. Email: cfchen@hnu.edu.cn
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S. Zhu;
S. Zhu
2PhD Candidate, Key Laboratory of Building Safety and Energy Efficiency of the Ministry of Education, Hunan University, Changsha, P.R. China; College of Civil Engineering, Hunan University, Changsha, Hunan, P.R. China. Email: smzhu@hnu.edu.cn
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G. Zhang;
G. Zhang
3Assistant Professor, College of Civil Engineering, Hunan City University, Yiyang, Hunan, P.R. China. Email: gbzhang@hnu.edu.cn (corresponding author)
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A. M. Morsy;
A. M. Morsy
4Research Associate, School of Architecture, Building and Civil Engineering, Loughborough University, Leicestershire, UK; Assistant Professor, Department of Civil Engineering, Cairo University, Giza 12613, Egypt. Email: a.morsy@lboro.ac.uk
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J. G. Zornberg;
J. G. Zornberg
5Professor, Department of Civil, Architectural and Environmental Engineering, The University of Texas at Austin, Austin, Texas, USA. Email: zornberg@mail.utexas.edu
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J. Huang
J. Huang
6Formerly Master Candidate, Key Laboratory of Building Safety and Energy Efficiency of the Ministry of Education, Hunan University, Changsha, P.R. China; College of Civil Engineering, Hunan University, Changsha, Hunan, P.R. China. Email: 453029088@qq.com
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Publisher: Emerald Publishing
Received:
February 13 2020
Accepted:
March 18 2021
Online ISSN: 1751-7613
Print ISSN: 1072-6349
© 2021 Thomas Telford Ltd
2021
Geosynthetics International (2022) 29 (3): 241–253.
Article history
Received:
February 13 2020
Accepted:
March 18 2021
Citation
Chen C, Zhu S, Zhang G, Morsy AM, Zornberg JG, Huang J (2022), "Interface creep behavior of tensioned GFRP tendons embedded in cemented soils". Geosynthetics International, Vol. 29 No. 3 pp. 241–253, doi: https://doi.org/10.1680/jgein.21.00008
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