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Erschienen in:
2018 | Supplement | Buchkapitel
Performance of Different Types of FRCM Composites Applied to a Concrete Substrate
verfasst von : Tommaso D’Antino, Jaime Gonzalez-Libreros, Carlo Pellegrino, Christian Carloni, Lesley H. Sneed
Erschienen in: Strain-Hardening Cement-Based Composites
Verlag: Springer Netherlands
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Abstract
This research aimed to investigate the performance of fiber reinforced cementitious matrix (FRCM) composites employed as externally applied strengthening system for reinforced concrete members. The results of an experimental campaign conducted on FRCM composites applied to a concrete substrate are shown and discussed. The composites were comprised of different types of fibers, namely carbon, glass, steel, and basalt fibers, and different types of cementitious matrix. Single-lap direct-shear tests were performed to study the behavior of the different composites. Specimens with different bonded lengths were tested to investigate the stress-transfer mechanism and to investigate the existence of an effective bond length. Comparisons between the peak loads obtained with the direct-shear tests and the tensile strength of the fibers, which provide an indication of the exploitation of the fibers, were carried out.