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Bond characteristics between CFRP and steel plates in double strap joints

Fawzia, Sabrina, Zhao, Xiao-Ling, Al-Mahaidi, Riadh, & Rizkalla, Sami (2005) Bond characteristics between CFRP and steel plates in double strap joints. The International Journal of Advanced Steel Construction, 1(2), pp. 17-27.

Abstract

This paper describes a series of double strap shear tests loaded in tension to investigate the bond between CFRP sheets and steel plates. Both normal modulus (240 GPa) and high modulus (640 GPa) CFRPs were used in the test program. Strain gauges were mounted to capture the strain distribution along the CFRP length. Different failure modes were observed for joints with normal modulus CFRP and those with high modulus CFRP. The strain distribution along the CFRP length was found to be similar for the two cases. A shorter effective bond length was obtained for joints with high modulus CFRP whereas larger ultimate load carrying capacity can be achieved for joints with normal modulus CFRP when the bond length is long enough. The Hart-Smith Model was modified to predict the effective bond length and ultimate load carrying capacity of joints between the normal modulus CFRP and steel plates. The Multilayer Distribution Model developed by the authors was modified to predict the load carrying capacity of joints between the high modulus CFRP and steel plates. The predicted values agreed well with experimental ones.

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27 citations in Scopus
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ID Code: 44538
Item Type: Journal Article
Additional URLs:
Keywords: CFRP (Carbon Fibre Reinforced Polymer), Bond Failure, Double Strap Joints, Effective Bond Length, Steel Plate
ISSN: 1816-112X
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > CIVIL ENGINEERING (090500)
Copyright Owner: Copyright 2005 [please consult the authors]
Deposited On: 25 Aug 2011 08:12
Last Modified: 26 Nov 2014 07:59

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