Effects of Temperature on the Adhesive and the CFRP-Steel Interface in Strengthened Structures

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成果类型：

期刊论文

作者：

Gao, Youwei;Li, Chuanxi;Wang, Xiaoyao;Xu, Longcheng;Cao, Xianhui;...

通讯作者：

Gao, YW

作者机构：

[Gao, Youwei] Hunan City Univ, Sch Management, Yiyang 413000, Hunan, Peoples R China.

[Li, Chuanxi] Guangxi Univ, Sch Civil Engn & Architecture, Nanning 530005, Guangxi, Peoples R China.

[Xu, Longcheng; Wang, Xiaoyao] Changsha Univ Sci & Technol, Sch Civil Engn, Changsha 410114, Hunan, Peoples R China.

[Cao, Xianhui] State Grid Hunan Elect Power Co Ltd, Elect Power Res Inst, Changsha 410007, Hunan, Peoples R China.

[Li, You] Hunan Univ Technol, Coll Civil Engn, Zhuzhou 412007, Hunan, Peoples R China.

通讯机构：

[Gao, YW ] H

Hunan City Univ, Sch Management, Yiyang 413000, Hunan, Peoples R China.

语种：

英文

关键词：

Bridge reinforcement;Carbon fiber–reinforced polymer (CFRP)–steel double-lap joint;High performance adhesive;Elevated temperatures

期刊：

Journal of Materials in Civil Engineering

ISSN：

0899-1561

年：

2025

卷：

期：

页码：

04024485

DOI：

10.1061/JMCEE7.MTENG-18864

基金类别：

National Natural Science Foundation of China [51778069]; Science and Technology Major Project of Guangxi [AA23073017]; Natural Science Foundation of Hunan Province [2021JJ40173]; Key Research and Innovation Project for Graduate Students of Hunan Province [QL20210180]

机构署名：

本校为第一且通讯机构

摘要：

The bonding interface serves as a vulnerable point in steel structures strengthened with carbon fiber-reinforced polymer (CFRP), significantly influenced by the mechanical properties of adhesives and temperature. To understand the mechanisms through which temperature changes affect the properties of adhesive materials and the CFRP-steel interface, 70 adhesive tensile specimens and 28 CFRP-steel double-lap joint specimens were prepared based on the self-developed high-performance adhesive G3 and the typical commercial adhesive Sika30. Tests were conducted at seven different temperatures (-20 de...

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Effects of Temperature on the Adhesive and the CFRP-Steel Interface in Strengthened Structures

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