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Strengthening of circular hollow steel tubular sections using high modulus CFRP sheets

Fawzia, S., Al-Mahaidi, R., Zhao, X. L., & Rizkalla, S. (2007) Strengthening of circular hollow steel tubular sections using high modulus CFRP sheets. Construction and Building Materials, 21(4), p. 839.

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Abstract

This paper describes the behaviour of very high strength (VHS) circular steel tubes strengthened by carbon fibre reinforced polymer (CFRP) and subjected to axial tension. A series of tests were conducted with different bond lengths and number of layers. The distribution of strain through the thickness of CFRP layers and along CFRP bond length was studied. The strain was found to generally decrease along the CFRP bond length far from the joint. The strain through the thickness of the CFRP layers was also found to decrease from bottom to top layer. The effective bond length for high modulus CFRP was established. Finally empirical models were developed to estimate the maximum load for a given CFRP arrangement.

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32 citations in Web of Science®

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ID Code: 38678
Item Type: Journal Article
Keywords: Carbon Fiber Reinforced Polymer, Strengthening Steel Tube, Bond, Adhesive, VHS (Very High Strength) Steel Tubes
DOI: 10.1016/j.conbuildmat.2006.06.014
ISSN: 09500618
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > CIVIL ENGINEERING (090500)
Australian and New Zealand Standard Research Classification > BUILT ENVIRONMENT AND DESIGN (120000) > BUILDING (120200)
Copyright Owner: Copyright 2006 Elsevier Ltd All rights reserved.
Deposited On: 19 Nov 2010 14:43
Last Modified: 30 Jun 2014 11:39

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