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- Title
Evaluation of Bond Properties of a Fabric-Reinforced Cementitious Matrix for Strengthening of Concrete Structures.
- Authors
Kim, Min-Jun; Kim, Hyeong-Gook; Lee, Yong-Jun; Kim, Dong-Hwan; Jo, Min-Su; Kim, Kil-Hee
- Abstract
In the present study, pull-out and pull-off tests were conducted to examine the bond strength between an inorganic cement adhesive (hereinafter referred to as the "matrix") and a textile, which composed a fabric-reinforced cementitious matrix (FRCM). The matrix was developed by mixing slag and short fibers in an attempt to improve the alkali resistance and compressive strength. The developed matrix was examined with regard to its alkali resistance, water resistance, and void distribution. Bond tests were conducted in two parts: a pull-out series and pull-off series. The type of textile (carbon or basalt) and the weaving methods were selected as test parameters. These tests were performed in accordance with the methods described in ISO10406-1 (pull-out) and ASTM C1583 (pull-off). The test results showed that the developed matrix was superior to existing mortar methods in terms of alkali resistance, water resistance, and compressive strength. Additionally, the FRCM in which carbon textiles were used exhibited excellent bond performance.
- Subjects
ADHESIVE cements; COMPRESSIVE strength; BOND strengths; BASALT
- Publication
Applied Sciences (2076-3417), 2020, Vol 10, Issue 11, p3767
- ISSN
2076-3417
- Publication type
Article
- DOI
10.3390/app10113767