An experimental study on the failure and enhancement mechanism of bolt-strengthening GFRP T-joint subjected to tensile loading

The aim of this article is to investigate the failure and enhancement mechanism of bolt-strengthening glass fiber-reinforced polymer (GFRP) T-joints under quasi-static tension. One-step molding technology based on the vacuum-assisted resin infusion process is carried out to fabricate the GFRP T-join...

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Main Authors: You Peiyu, Chen Chen, Wu Ye, Zhang Baohua, Tang Xiaojun, Zhu Dalei, Liu Zhenxue, Ma Yunsheng
Format: Article
Language:English
Published: De Gruyter 2022-12-01
Series:Science and Engineering of Composite Materials
Subjects:
Online Access:https://doi.org/10.1515/secm-2022-0169
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author You Peiyu
Chen Chen
Wu Ye
Zhang Baohua
Tang Xiaojun
Zhu Dalei
Liu Zhenxue
Ma Yunsheng
author_facet You Peiyu
Chen Chen
Wu Ye
Zhang Baohua
Tang Xiaojun
Zhu Dalei
Liu Zhenxue
Ma Yunsheng
author_sort You Peiyu
collection DOAJ
description The aim of this article is to investigate the failure and enhancement mechanism of bolt-strengthening glass fiber-reinforced polymer (GFRP) T-joints under quasi-static tension. One-step molding technology based on the vacuum-assisted resin infusion process is carried out to fabricate the GFRP T-joints structures. Then, a special fixture and constraint condition are set up to take the quasi-static tensile test with high reliability. Moreover, it is demonstrated that the T-joints structures may decrease their bearing capacity, resulting in interlaminar delamination at the corner region. Further, to strengthen the T-joints, the bolts are employed to effectively prevent the initiation and propagation of interlaminar delamination in the tensile loading. At the same time, as their enhancement and failure mechanisms are revealed deeply, the strengthening method is optimized as well.
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spelling doaj.art-14ceb24135d240ba9f70377e481e7bb02023-01-19T13:47:25ZengDe GruyterScience and Engineering of Composite Materials2191-03592022-12-0129146647210.1515/secm-2022-0169An experimental study on the failure and enhancement mechanism of bolt-strengthening GFRP T-joint subjected to tensile loadingYou Peiyu0Chen Chen1Wu Ye2Zhang Baohua3Tang Xiaojun4Zhu Dalei5Liu Zhenxue6Ma Yunsheng7School of Civil and Architecture Engineering, Nanchang Institute of Technology, Nanchang, ChinaSchool of Civil and Architecture Engineering, Nanchang Institute of Technology, Nanchang, ChinaSchool of Civil and Architecture Engineering, Nanchang Institute of Technology, Nanchang, ChinaSchool of Civil and Architecture Engineering, Nanchang Institute of Technology, Nanchang, ChinaBeijing Spacecrafts, China Academy of Space Technology, Beijing, ChinaBeijing Spacecrafts, China Academy of Space Technology, Beijing, ChinaShandong Chambroad Holding Group Co., Ltd, Binzhou, ChinaShandong Chambroad Holding Group Co., Ltd, Binzhou, ChinaThe aim of this article is to investigate the failure and enhancement mechanism of bolt-strengthening glass fiber-reinforced polymer (GFRP) T-joints under quasi-static tension. One-step molding technology based on the vacuum-assisted resin infusion process is carried out to fabricate the GFRP T-joints structures. Then, a special fixture and constraint condition are set up to take the quasi-static tensile test with high reliability. Moreover, it is demonstrated that the T-joints structures may decrease their bearing capacity, resulting in interlaminar delamination at the corner region. Further, to strengthen the T-joints, the bolts are employed to effectively prevent the initiation and propagation of interlaminar delamination in the tensile loading. At the same time, as their enhancement and failure mechanisms are revealed deeply, the strengthening method is optimized as well.https://doi.org/10.1515/secm-2022-0169gfrp t-jointsbolt reinforcementfailure mechanismoptimizing on enhancement location
spellingShingle You Peiyu
Chen Chen
Wu Ye
Zhang Baohua
Tang Xiaojun
Zhu Dalei
Liu Zhenxue
Ma Yunsheng
An experimental study on the failure and enhancement mechanism of bolt-strengthening GFRP T-joint subjected to tensile loading
Science and Engineering of Composite Materials
gfrp t-joints
bolt reinforcement
failure mechanism
optimizing on enhancement location
title An experimental study on the failure and enhancement mechanism of bolt-strengthening GFRP T-joint subjected to tensile loading
title_full An experimental study on the failure and enhancement mechanism of bolt-strengthening GFRP T-joint subjected to tensile loading
title_fullStr An experimental study on the failure and enhancement mechanism of bolt-strengthening GFRP T-joint subjected to tensile loading
title_full_unstemmed An experimental study on the failure and enhancement mechanism of bolt-strengthening GFRP T-joint subjected to tensile loading
title_short An experimental study on the failure and enhancement mechanism of bolt-strengthening GFRP T-joint subjected to tensile loading
title_sort experimental study on the failure and enhancement mechanism of bolt strengthening gfrp t joint subjected to tensile loading
topic gfrp t-joints
bolt reinforcement
failure mechanism
optimizing on enhancement location
url https://doi.org/10.1515/secm-2022-0169
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