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Analysis of concrete mechanical properties when adding type-E glass fibers

Analysis of concrete mechanical properties when adding type-E glass fibers Previous studies have shown that the inclusion of fibers in concrete positively influences the mechanical properties, especially tensile and flexural strength. This study is intended to evaluate the influence of adding glass fibers (GF) on workability and concrete mechanical properties. For this purpose, different percentages to add Type-E GF (0%, 0.5%, 1% and 1.5% by volume) and two different lengths (12 and 25 mm) were considered. Slump and compression, tensile and flexion strength tests were carried out. Results show GF reduces concrete workability, especially for 1 and 1.5% GF. Adding GF (12 or 25 mm) does not generate changes in compression strength. On the other hand, increases in both tensile and flexural strength is observed for 1% GF regardless of length. Other GF percentages may increase tensile and flexural strength, but it is not statistically significant. GF may improve concrete mechanical properties to appropriate percentages; however, loss in workability is evident. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Building Pathology and Rehabilitation Springer Journals

Analysis of concrete mechanical properties when adding type-E glass fibers

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References (49)

Publisher
Springer Journals
Copyright
Copyright © The Author(s), under exclusive licence to Springer Nature Switzerland AG 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.
ISSN
2365-3159
eISSN
2365-3167
DOI
10.1007/s41024-023-00289-z
Publisher site
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Abstract

Previous studies have shown that the inclusion of fibers in concrete positively influences the mechanical properties, especially tensile and flexural strength. This study is intended to evaluate the influence of adding glass fibers (GF) on workability and concrete mechanical properties. For this purpose, different percentages to add Type-E GF (0%, 0.5%, 1% and 1.5% by volume) and two different lengths (12 and 25 mm) were considered. Slump and compression, tensile and flexion strength tests were carried out. Results show GF reduces concrete workability, especially for 1 and 1.5% GF. Adding GF (12 or 25 mm) does not generate changes in compression strength. On the other hand, increases in both tensile and flexural strength is observed for 1% GF regardless of length. Other GF percentages may increase tensile and flexural strength, but it is not statistically significant. GF may improve concrete mechanical properties to appropriate percentages; however, loss in workability is evident.

Journal

Journal of Building Pathology and Rehabilitation – Springer Journals

Published: Jun 1, 2023

Keywords: Glass fiber; Mechanical properties; Workability; Concrete

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