Pre-cracked RC beams shear strengthened with prestressed CFRP laminates applied according to the NSM technique

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成果类型：

期刊论文

作者：

Guo, Hengliang;Wang, Junlin;Chou, Jiaxuan;Barros, Joaquim A. O.;Peng, Hui

通讯作者：

Peng, H;Barros, JAO

作者机构：

[Guo, Hengliang; Wang, Junlin; Chou, Jiaxuan; Peng, Hui] Changsha Univ Sci & Technol, Sch Civil Engn, Changsha 410114, Hunan, Peoples R China.

[Guo, Hengliang; Barros, Joaquim A. O.] Univ Minho, ISISE, Dept Civil Engn, Guimaraes, Portugal.

[Peng, Hui] Changsha Univ Sci & Technol, Natl Local Joint Engn Lab Technol Long term Perfor, Changsha 410114, Hunan, Peoples R China.

通讯机构：

[Peng, H ] C

[Barros, JAO ] U

Changsha Univ Sci & Technol, Sch Civil Engn, Changsha 410114, Hunan, Peoples R China.

Univ Minho, ISISE, Dept Civil Engn, Guimaraes, Portugal.

语种：

英文

关键词：

Prestressed NSM CFRP laminates;Shear strengthening;Pre-cracked RC beams;Experimental results;Analytical formulation

期刊：

Engineering Structures

ISSN：

0141-0296

年：

2025

卷：

345

页码：

121441

DOI：

10.1016/j.engstruct.2025.121441

基金类别：

CRediT authorship contribution statement Hengliang Guo: Writing – original draft, Investigation, Data curation. Jiaxuan Chou: Data curation. Junlin Wang: Visualization, Investigation. Hui Peng: Writing – review & editing, Supervision, acquisition, Conceptualization. Joaquim A. O. Barros: Writing – review & editing, Supervision, Investigation.

机构署名：

本校为第一且通讯机构

院系归属：

土木工程学院

摘要：

Several reinforced concrete (RC) structures requiring strengthening already have cracks of different width, some of them of shear nature. However, there is an extra lack of knowledge on the effectiveness of using fiber-reinforced polymer (FRP) composites for shear strengthening of pre-cracked RC structure. To bring knowledge in this domain, RC T-cross section beams with maximum pre- induced shear crack widths of 0, 0.5 and 1.0 mm were strengthened in shear using near-surface-mounted (NSM) technique with passive and prestressed carbon fiber-rei...

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Pre-cracked RC beams shear strengthened with prestressed CFRP laminates applied according to the NSM technique

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