CUED Publications database

Differences between FRP bond behavior in cracked and uncracked regions

Taher Khorramabadi, M and Burgoyne, CJ (2011) Differences between FRP bond behavior in cracked and uncracked regions. American Concrete Institute, ACI Special Publication, 1. pp. 335-351. ISSN 0193-2527

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Based on an analysis of the experimental results of a proposed bond test method, significant differences are shown to exist between the local FRP bond stress-slip relationships in the uncracked anchorage regions and in the regions between cracks. The proposed method simulates the bond behavior between the flexural cracks and anchorage regions of a flexurally FRP-strengthened RC beam. The boundary conditions, including the presence of cracks and steel, are shown to have significant effects on the local bond stress-slip models. The results showed that, at the same force, the bond stresses in the regions between cracks were lower than in regions outside the cracks, so the debonding formed in the anchorage regions. The local bond stress-slip models in the anchorage regions can be obtained from the conventional bond test methods but these do not mimic the conditions between the cracks.

Item Type: Article
Divisions: Div D > Structures
Depositing User: Cron Job
Date Deposited: 17 Jul 2017 19:41
Last Modified: 05 Oct 2017 02:17