Finite element modeling of carbon fibre reinforced polymer (CFRP) strengthened steel tubes under axial impact

Batuwitage, C.R.J., Fawzia, Sabrina, Liu, Xuemei, & Alam, Md Iftekharul (2014) Finite element modeling of carbon fibre reinforced polymer (CFRP) strengthened steel tubes under axial impact. In Smith, Scott (Ed.) 23rd Australasian Conference on the Mechanics of Structures and Materials (ACMSM23), 9-12 December 2014, Byron Bay, NSW.

Abstract

Steel hollow sections used in structures such as bridges, buildings and space structures involve different strengthening techniques according to their structural purpose and shape of the structural member. One such technique is external bonding of CFRP sheets to steel tubes. The performance of CFRP strengthening for steel structures has been proven under static loading while limited studies have been conducted on their behaviour under impact loading. In this study, a comprehensive numerical investigation is carried out to evaluate the response of CFRP strengthened steel tubes under dynamic axial impact loading. Impact force, axial deformation impact velocities are studied. The results of the numerical investigations are validated by experimental results. Based on the developed finite element (FE) model several output parameters are discussed. The results show that CFRP wrapping is an effective strengthening technique to increase the axial dynamic load bearing capacity by increasing the stiffness of the steel tube.

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ID Code: 80055
Item Type: Conference Paper
Refereed: Yes
Additional URLs:
Keywords: CFRP, strengthening, axial impact, steel tubes
ISBN: 9780994152015
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > CIVIL ENGINEERING (090500) > Structural Engineering (090506)
Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > MECHANICAL ENGINEERING (091300)
Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > MECHANICAL ENGINEERING (091300) > Numerical Modelling and Mechanical Characterisation (091307)
Divisions: Current > Schools > School of Civil Engineering & Built Environment
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Copyright 2014 [please consult the author]
Deposited On: 14 Jan 2015 01:52
Last Modified: 15 Apr 2015 11:06

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