CUED Publications database

Modified push-off testing of an inclined shear plane in reinforced concrete strengthened with CFRP fabric

Foster, RM and Morley, CT and Lees, JM (2016) Modified push-off testing of an inclined shear plane in reinforced concrete strengthened with CFRP fabric. Journal of Composites for Construction, 20. ISSN 1090-0268

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Abstract

© 2015 American Society of Civil Engineers. This study reports the findings of an experimental investigation into the behavior of an inclined shear plane in reinforced concrete, such as a diagonal crack in the web of a beam, strengthened with externally bonded carbon fiber-reinforced polymer (CFRP) fabric. A modified push-off test of novel geometry was developed for this study. This test generates a diagonal failure plane subject to combined shear and tension. Both unwrapped and wrapped tests were conducted, allowing the load sharing and load-displacement behavior of the reinforced concrete, and the reinforced concrete with externally bonded CFRP fabric, to be investigated. Fully wrapped and U-wrapped CFRP fabric configurations were tested. Results indicate that for the arrangement tested, concrete, steel, and CFRP contributions to resistance are not independent, and that effective anchorage lengths given in the United Kingdom and United States guidance for U-wrapped CFRP may not be adequate in some cases.

Item Type: Article
Subjects: UNSPECIFIED
Divisions: Div D > Structures
Depositing User: Cron Job
Date Deposited: 17 Jul 2017 19:10
Last Modified: 21 Nov 2017 03:49
DOI: