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Experiments and calibration of a bond-slip relation and efficiency factors for textile reinforcement in concrete
Abstract
Textile reinforcement yarns consist of many filaments, which can slip relative each other. At modelling of the global structural behaviour, interfilament slip in the yarns, and slip between the yarns and the concrete can be considered by efficiency factors for the stiffness and strength of the yarns, and by applying a bond-slip relation between yarns and concrete. In this work, an effective and robust method for calibration of such models was developed. Two-sided asymmetrical pull-out tests were carried out, with varying embedment lengths designed to obtain both pull-out and rupture of the textile as failure mode. The efficiency factors for strength and stiffness of the textile were very similar, 34% and 35% respectively. This indicates the stress distribution within a yarn to be uneven in a similar manner for small and large stress levels, and that interfilament slip has a larger influence than variation of filaments’ strength.
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Authors (3)
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Fredrik Larsson
- Department of Industrial and Materials Science, Chalmers University of Technology, Sweden
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Karin Lundgren
- Department of Architecture and Civil Engineering, Chalmers University of Technology, Sweden
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Full text
- Publication version
- Accepted or Published Version
- DOI:
- Digital Object Identifier (open in new tab) 10.1016/j.cemconcomp.2022.104756
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Details
- Category:
- Articles
- Type:
- artykuły w czasopismach
- Published in:
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CEMENT & CONCRETE COMPOSITES
no. 134,
ISSN: 0958-9465 - Language:
- English
- Publication year:
- 2022
- Bibliographic description:
- Ścięgaj A., Larsson F., Lundgren K.: Experiments and calibration of a bond-slip relation and efficiency factors for textile reinforcement in concrete// CEMENT & CONCRETE COMPOSITES -Vol. 134, (2022), s.104756-
- DOI:
- Digital Object Identifier (open in new tab) 10.1016/j.cemconcomp.2022.104756
- Sources of funding:
-
- IDUB
- Verified by:
- Gdańsk University of Technology
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