Behaviour of CFRP strengthened CHS members under monotonic and cyclic loading

Article


Tafsirojjaman, T., Fawzia, Sabrina, Thambiratnam, David and Zhao, Xiao-Ling. 2019. "Behaviour of CFRP strengthened CHS members under monotonic and cyclic loading." Composite Structures. 220, pp. 592-601. https://doi.org/10.1016/j.compstruct.2019.04.029
Article Title

Behaviour of CFRP strengthened CHS members under monotonic and cyclic loading

ERA Journal ID3731
Article CategoryArticle
AuthorsTafsirojjaman, T. (Author), Fawzia, Sabrina (Author), Thambiratnam, David (Author) and Zhao, Xiao-Ling (Author)
Journal TitleComposite Structures
Journal Citation220, pp. 592-601
Number of Pages10
Year2019
PublisherElsevier
Place of PublicationUnited Kingdom
ISSN0263-8223
1879-1085
Digital Object Identifier (DOI)https://doi.org/10.1016/j.compstruct.2019.04.029
Web Address (URL)https://www.sciencedirect.com/science/article/abs/pii/S0263822319304155
Abstract

Tubular hollow members, though used in many civil and mechanical applications, are highly vulnerable structural elements when subjected to cyclic loading. They have been used extensively in both onshore and offshore civil infrastructure where cyclic loading can result from earthquake, waves, currents and wind. Due to service loads increment, errors in design, effect of severe environments or loss of material properties, tubular hollow steel members may require to undergo strengthening to withstand both static and cyclic loads. In the present study, a series of experiments on bare and externally-bonded carbon fibre reinforced polymer (CFRP) strengthened CHS steel members subjected to monotonic and cyclic loading has been conducted to investigate the effect of CFRP strengthening technique on the structural behaviour of strengthened members. The results showed that the CFRP strengthening is effective to enhance the cyclic performance of CHS steel members by improving the moment capacity, moment degradation behaviour, secant stiffness, energy dissipation capacity and ductility compared to bare steel CHS members. In addition, the moment capacity of CHS members has been improved under monotonic loading due to the CFRP strengthening as well. Moreover, the impact of adhesive types on the structural response of the strengthened specimens was also investigated.

KeywordsCircular Hollow Section (CHS) Steel members, Carbon fibre reinforced polymer (CFRP), Strengthening, Monotonic loading, Cyclic loading
ANZSRC Field of Research 2020400506. Earthquake engineering
400599. Civil engineering not elsewhere classified
400510. Structural engineering
401602. Composite and hybrid materials
Byline AffiliationsQueensland University of Technology
University of New South Wales
Institution of OriginUniversity of Southern Queensland
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Jayasundara, Nirmani, Thambiratnam, David, Chan, Tommy and Nguyen, Andy. 2019. "Vibration-based dual-criteria approach for damage detection in arch bridges." Structural Health Monitoring: an international journal. 18 (5-6), pp. 2004-2019. https://doi.org/10.1177/1475921718810011
A new method for locating and quantifying damage in beams from static deflection changes
Le, N. T., Thambiratnam, D. P., Nguyen, A. and Chan, T. H. T. 2019. "A new method for locating and quantifying damage in beams from static deflection changes." Engineering Structures. 180, pp. 779-792. https://doi.org/10.1016/j.engstruct.2018.11.071
Model updating of real structures with ambient vibration data
Kodikara, K. A. T. L., Chan, T. H. T., Nguyen, T. and Thambiratnam, D. P.. 2016. "Model updating of real structures with ambient vibration data." Journal of Civil Structural Health Monitoring. 6 (3), pp. 329-341. https://doi.org/10.1007/s13349-016-0178-3
Development of a cost-effective and flexible vibration DAQ system for long-term continuous structural health monitoring
Nguyen, Theanh, Chan, Tommy H. T., Thambiratnam, David P. and King, Les. 2015. "Development of a cost-effective and flexible vibration DAQ system for long-term continuous structural health monitoring." Mechanical Systems and Signal Processing. 64-65, pp. 313-324. https://doi.org/10.1016/j.ymssp.2015.04.003
Synergic identification of prestress force and moving load on prestressed concrete beam based on virtual distortion method
Xiang, Ziru, Chan, Tommy H. T., Thambiratnam, David P. and Nguyen, Theanh. 2016. "Synergic identification of prestress force and moving load on prestressed concrete beam based on virtual distortion method." Smart Structures and Systems. 17 (6), pp. 917-933. https://doi.org/10.12989/sss.2016.17.6.917
Structural Deterioration Detection Using Enhanced Autoregressive Residuals
Monavari, Benyamin, Chan, Tommy H. T., Nguyen, Andy and Thambiratnam, David P.. 2018. "Structural Deterioration Detection Using Enhanced Autoregressive Residuals." International Journal of Structural Stability and Dynamics. 18 (12), pp. 1-19. https://doi.org/10.1142/S0219455418501602
Model updating incorporating measured response uncertainties and confidence levels of tuning parameters
Kodikara, K.A. Tharindu L., Chan, Tommy H.T., Nguyen, Andy and Thambiratnam, David P.. 2016. "Model updating incorporating measured response uncertainties and confidence levels of tuning parameters." International Journal of Lifecycle Performance Engineering. 2 (1/2), pp. 61-78. https://doi.org/10.1504/IJLCPE.2016.082712
Prestress evaluation in prestressed concrete plate-like structures
Pathirage, Thisara S., Chan, Tommy H. T., Thambiratnam, David P., Nguyen, Andy and Moragaspitiya, H. N. P.. 2018. "Prestress evaluation in prestressed concrete plate-like structures." International Journal of Lifecycle Performance Engineering. 2 (3/4), pp. 127-143. https://doi.org/10.1504/IJLCPE.2018.094855
Damage identification in a complex truss structure using modal characteristics correlation method and sensitivity-weighted search space
Nguyen, Khac-Duy, Chan, Tommy H. T., Thambiratnam, David P. and Nguyen, Andy. 2019. "Damage identification in a complex truss structure using modal characteristics correlation method and sensitivity-weighted search space." Structural Health Monitoring: an international journal. 18 (1), pp. 49-65. https://doi.org/10.1177/1475921718809471
Reliability-based load carrying capacity assessment of bridges using structural health monitoring and nonlinear analysis
Jamali, Shojaeddin, Chan, Tommy H. T., Nguyen, Andy and Thambiratnam, David P.. 2019. "Reliability-based load carrying capacity assessment of bridges using structural health monitoring and nonlinear analysis." Structural Health Monitoring: an international journal. 18 (1), pp. 20-34. https://doi.org/10.1177/1475921718808462
Deterioration assessment of buildings using an improved hybrid model updating approach and long-term health monitoring data
Nguyen, Andy, Kodikara, K. A. Tharindu Lakshitha, Chan, Tommy H. T. and Thambiratnam, David P.. 2019. "Deterioration assessment of buildings using an improved hybrid model updating approach and long-term health monitoring data." Structural Health Monitoring: an international journal. 18 (1), pp. 5-19. https://doi.org/10.1177/1475921718799984
Vibration characteristics and damage detection in a suspension bridge
Wickramasinghe, Wasanthi R., Thambiratnam, David P., Chan, Tommy H. T. and Nguyen, Theanh. 2016. "Vibration characteristics and damage detection in a suspension bridge." Journal of Sound and Vibration. 375, pp. 254-274. https://doi.org/10.1016/j.jsv.2016.04.025
Capacity Estimation of Beam-Like Structures Using Substructural Method
Jamali, Shojaeddin, Chan, Tommy H. T., Koo, Ki-Young, Nguyen, Andy and Thambiratnam, David P.. 2018. "Capacity Estimation of Beam-Like Structures Using Substructural Method." International Journal of Structural Stability and Dynamics. 18 (12), pp. 1-17. https://doi.org/10.1142/S0219455418501626
Method development of damage detection in asymmetric buildings
Wang, Yi, Thambiratnam, David P., Chan, Tommy H.T. and Nguyen, Andy. 2018. "Method development of damage detection in asymmetric buildings." Journal of Sound and Vibration. 413, pp. 41-56. https://doi.org/10.1016/j.jsv.2017.10.015
Prestress and excitation force identification in a prestressed concrete box–girder bridge
Xiang, Ziru, Chan, Tommy H. T., Thambiratnam, David P. and Nguyen, Andy. 2017. "Prestress and excitation force identification in a prestressed concrete box–girder bridge." Computers and Concrete. 20 (5), pp. 617-625. https://doi.org/10.12989/cac.2017.20.5.617
Toward effective structural identification of medium-rise building structures
Nguyen, A., Kodikara, K. A. T. L., Chan, T. H. T. and Thambiratnam, D. P.. 2018. "Toward effective structural identification of medium-rise building structures." Journal of Civil Structural Health Monitoring. 8 (1), pp. 63-75. https://doi.org/10.1007/s13349-017-0259-y
Modelling techniques for structural evaluation for bridge assessment
Jamali, Shojaeddin, Chan, Tommy H. T., Nguyen, Andy and Thambiratnam, David P.. 2018. "Modelling techniques for structural evaluation for bridge assessment." Journal of Civil Structural Health Monitoring. 8 (2), pp. 271-283. https://doi.org/10.1007/s13349-018-0269-4
Damage detection in asymmetric buildings using vibration-based techniques
Wang, Y., Thambiratnam, D. P., Chan, T. H. T. and Nguyen, A.. 2018. "Damage detection in asymmetric buildings using vibration-based techniques." Structural Control and Health Monitoring. 25 (5), pp. 1-19. https://doi.org/10.1002/stc.2148
Response of tall buildings with symmetric setbacks under blast loading
Jayatilake, I. N., Dias, W. P. S., Jayasinghe, M. T. R. and Thambiratnam, D. P.. 2010. "Response of tall buildings with symmetric setbacks under blast loading." Journal of the National Science Foundation of Sri Lanka. 38 (2), pp. 115-123. https://doi.org/10.4038/jnsfsr.v38i2.2043