Journal of Advanced Concrete Technology
Online ISSN : 1347-3913
ISSN-L : 1346-8014
Scientific paper
Crack Width Prediction Method for Steel and FRP Reinforcement Based on Bond Theory
Toshiyuki KanakuboNobuyuki Yamato
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2014 Volume 12 Issue 9 Pages 310-319

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Abstract

This study aims to propose a theoretical calculation formula to predict crack width of reinforced concrete members both for steel and FRP reinforcement. The proposed formula is led by solving the force equilibrium and compatibility conditions in the bond problem under the assumption of bond constitutive law (bond stress - slip relationship). A pullout bond test is conducted for the specimens with one reinforcing bar arranged in the simple concrete block. The bond stress - slip relationship of test result is used to confirm the adaptability of the proposed formula by predicting crack width of the specimen for a tensile bond test, which is also conducted in this study. The strain - crack width curve predicted by the proposed formula shows a good adaptability with the experimental result.

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© 2014 by Japan Concrete Institute
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