Durability of CFRP strengthened circular hollow steel members under cold weather: Experimental and numerical investigation
Kabir, Md Humayun, Fawzia, Sabrina, & Chan, Tommy H.T. (2016) Durability of CFRP strengthened circular hollow steel members under cold weather: Experimental and numerical investigation. Construction and Building Materials, 123, pp. 372-383.
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The durability of carbon fibre reinforced polymer (CFRP) strengthened steel circular hollow section (CHS) member under prolonged cold weather has not been explored sufficiently. Furthermore, various parameters that may affect the durability of such members have not been revealed yet. This paper presents an analytical and experimental study with a finite element (FE) approach to study the effects of prolonged cold weather (+3 OC) exposure on CFRP strengthened CHS member subjected bending. It was found that a prolonged exposure about 12 month cold weather immersion adversely affected the durability of strengthened beams by reducing strength and stiffness. Durability design factor has been recommended. The proposed analytical models and FE models were found in good agreement with the experimental results. The results of parametric studies showed that the durability design factors varied from section to section, CFRP with higher tensile modulus and higher number of CFRP layers performed better in cold weather.
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|Item Type:||Journal Article|
|Keywords:||Durability, CFRP, CHS, Cold weather, FE approach|
|Divisions:||Current > Schools > School of Civil Engineering & Built Environment
Current > QUT Faculties and Divisions > Science & Engineering Faculty
|Facilities:||HPC – QUT Supercomputer, Banyo Pilot Plant|
|Copyright Owner:||Copyright 2016 Elsevier Ltd.|
|Deposited On:||08 Aug 2016 22:24|
|Last Modified:||05 Sep 2016 16:47|
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