<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>Geopolymer concrete is a new concrete technology that emerged as an alternative to conventional concrete by replacing traditional Portland cement with geopolymer binders. Strengthening of concrete structures using CFRP composites has become an essential technique last decades. Most of the studies were conducted on conventional concrete of Portland cement. In this research, an experimental and finite element analysis has been conducted to assess the bonding properties between geopolymer concrete substrate and CFRP composites using near-surface mounted strengthening system. The program consisted of concrete prisms bonded with NSM CFRP laminate and tested using single-lap shear test set-up with different bond lengths. Bond-slip behaviour has also been evaluated. The experimental results exhibited significant bonding properties, achieving an average bonding stress between 8.97 and 15.58 relative to the bonding length. The numerical analysis showed comparable results and a good correlation with that of experimental work.</p>
</abstract>

Geopolymer concrete is a new concrete technology that emerged as an alternative to conventional concrete by replacing traditional Portland cement with geopolymer binders. Strengthening of concrete structures using CFRP composites has become an essential technique last decades. Most of the studies were conducted on conventional concrete of Portland cement. In this research, an experimental and finite element analysis has been conducted to assess the bonding properties between geopolymer concrete substrate and CFRP composites using near-surface mounted strengthening system. The program consisted of concrete prisms bonded with NSM CFRP laminate and tested using single-lap shear test set-up with different bond lengths. Bond-slip behaviour has also been evaluated. The experimental results exhibited significant bonding properties, achieving an average bonding stress between 8.97 and 15.58 relative to the bonding length. The numerical analysis showed comparable results and a good correlation with that of experimental work.

Experimental and Numerical Assessment of Bonding Between Geopolymer Concrete and CFRP Sheet Using NSM Techniques

Civil and Environmental Engineering

This work is licensed under the Creative Commons Attribution 4.0 International License.

Geopolymer concrete is a new concrete technology that emerged as an alternative to conventional concrete by replacing traditional Portland cement with...

Experimental and Numerical Assessment of Bonding Between Geopolymer Concrete and CFRP Sheet Using NSM Techniques

Published Online: Dec 19, 2023

Page range: 676 - 691

DOI: https://doi.org/10.2478/cee-2023-0061

Keywords
Adhesive, FRP composites, Geopolymer concrete, Near-surface mounted, Strengthening

© 2023 Ahmed H. Al-Abdwais, published by Sciendo

This work is licensed under the Creative Commons Attribution 4.0 International License.

Experimental and Numerical Assessment of Bonding Between Geopolymer Concrete and CFRP Sheet Using NSM Techniques

Published Online: Dec 19, 2023

Page range: 676 - 691

DOI: https://doi.org/10.2478/cee-2023-0061

KeywordsAdhesive, FRP composites, Geopolymer concrete, Near-surface mounted, Strengthening

© 2023 Ahmed H. Al-Abdwais, published by Sciendo

This work is licensed under the Creative Commons Attribution 4.0 International License.

Keywords
Adhesive, FRP composites, Geopolymer concrete, Near-surface mounted, Strengthening