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Accelerated ageing behaviour of the adhesive bond between concrete specimens and CFRP overlays
In this paper, the durability of the adhesive bond between concrete and carbon fibre reinforced polymers (CFRP) strengthening systems has been investigated under accelerated ageing conditions, i.e., at 40 °C and 95% relative humidity. Mechanical characterizations were carried-out on control and expo...
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| Published in: | Construction & building materials 2011-02, Vol.25 (2), p.523-538 |
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| Main Authors: | , , , , |
| Format: | Article |
| Language: | English |
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| cited_by | cdi_FETCH-LOGICAL-c530t-e87b6322a5a534f47535f301ec86d50677dc3ade7e1d134e1dbc34b23b1990c23 |
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| cites | cdi_FETCH-LOGICAL-c530t-e87b6322a5a534f47535f301ec86d50677dc3ade7e1d134e1dbc34b23b1990c23 |
| container_end_page | 538 |
| container_issue | 2 |
| container_start_page | 523 |
| container_title | Construction & building materials |
| container_volume | 25 |
| creator | Benzarti, Karim Chataigner, Sylvain Quiertant, Marc Marty, Céline Aubagnac, Christophe |
| description | In this paper, the durability of the adhesive bond between concrete and carbon fibre reinforced polymers (CFRP) strengthening systems has been investigated under accelerated ageing conditions,
i.e., at 40
°C and 95% relative humidity. Mechanical characterizations were carried-out on control and exposed CFRP strengthened concrete specimens, in order to assess the evolutions of the adhesive bond properties during hydrothermal ageing. Results from different experimental campaigns are presented and reveal significant evolutions (decrease in the adhesive bond strength and/or change in the failure mode) depending on various parameters, such as the surface preparation of concrete, the presence of a carbonated concrete layer, the nature of the CFRP overlay (carbon fibre sheets or pultruded CFRP plates), the ageing behaviour of the bulk epoxy adhesive itself, or the test configuration used to evaluate the adhesive bond strength (pull-off or shear loading test). Moisture diffusion from the superficial layer of concrete (
i.e., diffusion of interstitial pore solution) towards the adhesive joint is suspected to be a key factor driving the degradation process during hydrothermal ageing. |
| doi_str_mv | 10.1016/j.conbuildmat.2010.08.003 |
| format | article |
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i.e., at 40
°C and 95% relative humidity. Mechanical characterizations were carried-out on control and exposed CFRP strengthened concrete specimens, in order to assess the evolutions of the adhesive bond properties during hydrothermal ageing. Results from different experimental campaigns are presented and reveal significant evolutions (decrease in the adhesive bond strength and/or change in the failure mode) depending on various parameters, such as the surface preparation of concrete, the presence of a carbonated concrete layer, the nature of the CFRP overlay (carbon fibre sheets or pultruded CFRP plates), the ageing behaviour of the bulk epoxy adhesive itself, or the test configuration used to evaluate the adhesive bond strength (pull-off or shear loading test). Moisture diffusion from the superficial layer of concrete (
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i.e., at 40
°C and 95% relative humidity. Mechanical characterizations were carried-out on control and exposed CFRP strengthened concrete specimens, in order to assess the evolutions of the adhesive bond properties during hydrothermal ageing. Results from different experimental campaigns are presented and reveal significant evolutions (decrease in the adhesive bond strength and/or change in the failure mode) depending on various parameters, such as the surface preparation of concrete, the presence of a carbonated concrete layer, the nature of the CFRP overlay (carbon fibre sheets or pultruded CFRP plates), the ageing behaviour of the bulk epoxy adhesive itself, or the test configuration used to evaluate the adhesive bond strength (pull-off or shear loading test). Moisture diffusion from the superficial layer of concrete (
i.e., diffusion of interstitial pore solution) towards the adhesive joint is suspected to be a key factor driving the degradation process during hydrothermal ageing.</description><subject>Adhesive bond</subject><subject>Adhesive bonding</subject><subject>Adhesive strength</subject><subject>Aging</subject><subject>Bonding</subject><subject>Bonding strength</subject><subject>Carbon fiber reinforced plastics</subject><subject>Chemical Sciences</subject><subject>Composite</subject><subject>Concrete construction</subject><subject>Concrete infrastructure</subject><subject>Concretes</subject><subject>Diffusion</subject><subject>Diffusion layers</subject><subject>Engineering Sciences</subject><subject>Epoxy</subject><subject>Fibrous composites</subject><subject>Finite element method</subject><subject>Glass transition</subject><subject>Hydrothermal ageing</subject><subject>Materials</subject><subject>Mechanical properties</subject><subject>Mechanics</subject><subject>Mechanics of materials</subject><subject>Methods</subject><subject>Moisture</subject><subject>Physics</subject><subject>Plasticization</subject><subject>Polymers</subject><subject>Pull-off</subject><subject>Shear test</subject><issn>0950-0618</issn><issn>1879-0526</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><recordid>eNqNklGL1DAUhYsoOK7-h4ovCrbeJE3aPg6D6woDiuirIU1uOxk6yZi0lf33pozILsyDBG7g3u-cwMnNstcESgJEfDiW2rtutqM5qamkkPrQlADsSbYhTd0WwKl4mm2g5VCAIM3z7EWMRwAQVNBN9nOrNY4Y1IQmVwNaN-QdHtRi_Rxy3-fTAXNlDhjtgnnnnUnj6Teiy9PDOuCEeTyjtid0MVdpvLv99jX3C4ZR3ceX2bNejRFf_b1vsh-3H7_v7or9l0-fd9t9oTmDqcCm7gSjVHHFWdVXNWe8Z0BQN8JwEHVtNFMGaySGsCrVTrOqo6wjbQuaspvs3cX3oEZ5Dvakwr30ysq77V6uPQDeVrzhC0ns2wt7Dv7XjHGSJxtTCKNy6OcoiagJbYBWVULfXNBBjSit6_0UlF5xuaWcNFwIuhoWV6gBXYp19A57m9qP-PIKn47Bk9VXBe8fCLo5WocxlWiHwxQHNcf4GG8vuA4-xoD9v0QIyHVr5FE-2Bq5bo2EJmXEknZ30WL6rcVikFFbdBqNDagnabz9D5c_8brOQg</recordid><startdate>20110201</startdate><enddate>20110201</enddate><creator>Benzarti, Karim</creator><creator>Chataigner, Sylvain</creator><creator>Quiertant, Marc</creator><creator>Marty, Céline</creator><creator>Aubagnac, Christophe</creator><general>Elsevier Ltd</general><general>Elsevier B.V</general><general>Elsevier</general><scope>AAYXX</scope><scope>CITATION</scope><scope>N95</scope><scope>XI7</scope><scope>7QQ</scope><scope>7SR</scope><scope>8FD</scope><scope>FR3</scope><scope>JG9</scope><scope>KR7</scope><scope>1XC</scope><orcidid>https://orcid.org/0000-0003-1304-5868</orcidid></search><sort><creationdate>20110201</creationdate><title>Accelerated ageing behaviour of the adhesive bond between concrete specimens and CFRP overlays</title><author>Benzarti, Karim ; 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i.e., at 40
°C and 95% relative humidity. Mechanical characterizations were carried-out on control and exposed CFRP strengthened concrete specimens, in order to assess the evolutions of the adhesive bond properties during hydrothermal ageing. Results from different experimental campaigns are presented and reveal significant evolutions (decrease in the adhesive bond strength and/or change in the failure mode) depending on various parameters, such as the surface preparation of concrete, the presence of a carbonated concrete layer, the nature of the CFRP overlay (carbon fibre sheets or pultruded CFRP plates), the ageing behaviour of the bulk epoxy adhesive itself, or the test configuration used to evaluate the adhesive bond strength (pull-off or shear loading test). Moisture diffusion from the superficial layer of concrete (
i.e., diffusion of interstitial pore solution) towards the adhesive joint is suspected to be a key factor driving the degradation process during hydrothermal ageing.</abstract><pub>Elsevier Ltd</pub><doi>10.1016/j.conbuildmat.2010.08.003</doi><tpages>16</tpages><orcidid>https://orcid.org/0000-0003-1304-5868</orcidid></addata></record> |
| fulltext | fulltext |
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| ispartof | Construction & building materials, 2011-02, Vol.25 (2), p.523-538 |
| issn | 0950-0618 1879-0526 |
| language | eng |
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| source | ScienceDirect Freedom Collection 2022-2024 |
| subjects | Adhesive bond Adhesive bonding Adhesive strength Aging Bonding Bonding strength Carbon fiber reinforced plastics Chemical Sciences Composite Concrete construction Concrete infrastructure Concretes Diffusion Diffusion layers Engineering Sciences Epoxy Fibrous composites Finite element method Glass transition Hydrothermal ageing Materials Mechanical properties Mechanics Mechanics of materials Methods Moisture Physics Plasticization Polymers Pull-off Shear test |
| title | Accelerated ageing behaviour of the adhesive bond between concrete specimens and CFRP overlays |
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