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Developing an anchored CFRP reinforcement for efficiently and readily strengthening reinforced concrete structures

Developing an anchored CFRP reinforcement for efficiently and readily strengthening reinforced concrete structures
Developing an anchored CFRP reinforcement for efficiently and readily strengthening reinforced concrete structures

Externally bonded (EB) CFRP laminates and near-surface mounted (NSM) CFRP reinforcements are two major methods in use of CFRP material for shear and flexural strengthening of reinforced concrete (RC) structures. Relying exclusively on CFRP-concrete bond, however, both methods cannot ensure the tensile strength of CFRP material to be fully developed, greatly limiting their efficiencies and applications. Although anchored EB CFRP laminates were able to make fuller use of CFRP material, the complicated installations might compromise their merits in strengthening RC structures. This study presents an efficiently and readily strengthening method, i.e. the anchored CFRP reinforcement. Experimental results suggested this proposed method was able to fully develop the tensile strength of CFRP reinforcement by using a much simpler installation. Results also demonstrated the impacts of patch arrangement, embedment depth and reinforcement section on the anchored CFRP reinforcement. By using those valuable experimental data, this efficient and simple method was expected to be well designed for strengthening RC structures.

Anchored CFRP reinforcement, Anchored EB CFRP laminates, EB CFRP laminates, Efficient and simple method, NSM CFRP reinforcements
1359-8368
Sun, Wei
ab8e8179-f25d-4f51-95c3-8c009acf0c27
He, Tao
5a7e98e6-6045-49b6-bbad-551733952b50
Liu, Shukui
bd00c69b-b51e-4d5f-8c74-b8bc76d6c068
Sun, Wei
ab8e8179-f25d-4f51-95c3-8c009acf0c27
He, Tao
5a7e98e6-6045-49b6-bbad-551733952b50
Liu, Shukui
bd00c69b-b51e-4d5f-8c74-b8bc76d6c068

Sun, Wei, He, Tao and Liu, Shukui (2019) Developing an anchored CFRP reinforcement for efficiently and readily strengthening reinforced concrete structures. Composites Part B: Engineering, 176, [107199]. (doi:10.1016/j.compositesb.2019.107199).

Record type: Article

Abstract

Externally bonded (EB) CFRP laminates and near-surface mounted (NSM) CFRP reinforcements are two major methods in use of CFRP material for shear and flexural strengthening of reinforced concrete (RC) structures. Relying exclusively on CFRP-concrete bond, however, both methods cannot ensure the tensile strength of CFRP material to be fully developed, greatly limiting their efficiencies and applications. Although anchored EB CFRP laminates were able to make fuller use of CFRP material, the complicated installations might compromise their merits in strengthening RC structures. This study presents an efficiently and readily strengthening method, i.e. the anchored CFRP reinforcement. Experimental results suggested this proposed method was able to fully develop the tensile strength of CFRP reinforcement by using a much simpler installation. Results also demonstrated the impacts of patch arrangement, embedment depth and reinforcement section on the anchored CFRP reinforcement. By using those valuable experimental data, this efficient and simple method was expected to be well designed for strengthening RC structures.

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More information

Accepted/In Press date: 17 July 2019
e-pub ahead of print date: 19 July 2019
Published date: 1 November 2019
Keywords: Anchored CFRP reinforcement, Anchored EB CFRP laminates, EB CFRP laminates, Efficient and simple method, NSM CFRP reinforcements

Identifiers

Local EPrints ID: 435040
URI: http://eprints.soton.ac.uk/id/eprint/435040
ISSN: 1359-8368
PURE UUID: 3055980a-4031-4c1b-964a-1c7ea9dde400

Catalogue record

Date deposited: 18 Oct 2019 16:30
Last modified: 07 Oct 2020 00:31

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