Seismic strengthening of rigid steel frame with CFRP

Article


Tafsirojjaman, T., Fawzia, S., Thambiratnam, D. and Zhao, X. L.. 2019. "Seismic strengthening of rigid steel frame with CFRP." Archives of Civil and Mechanical Engineering. 19 (2), pp. 334-347. https://doi.org/10.1016/j.acme.2018.08.007
Article Title

Seismic strengthening of rigid steel frame with CFRP

ERA Journal ID44673
Article CategoryArticle
AuthorsTafsirojjaman, T. (Author), Fawzia, S. (Author), Thambiratnam, D. (Author) and Zhao, X. L. (Author)
Journal TitleArchives of Civil and Mechanical Engineering
Journal Citation19 (2), pp. 334-347
Number of Pages14
Year2019
Place of PublicationLondon, United Kingdom
ISSN1644-9665
Digital Object Identifier (DOI)https://doi.org/10.1016/j.acme.2018.08.007
Web Address (URL)https://www.sciencedirect.com/science/article/abs/pii/S1644966518300980?via%3Dihub
Abstract

Steel frames are a very popular choice in building construction and are used extensively in high seismic risk regions across the world. These existing and future constructed steel frames may need to undergo seismic strengthening to mitigate the high collapse risk during possible earthquakes in the future. In this study a finite element (FE) model was developed, analysed and the results compared with the present self-performed experimental study using shake table tests of steel frames strengthened with externally bonded carbon fibre reinforced polymers (CFRP) composites to validate the modelling techniques. The validated modelling technique are then used for a comprehensive parametric study on the effects of frequency of excitation, maximum acceleration, modulus of CFRP, thickness of CFRP, number of CFRP layers and adhesive type on the seismic response of the frame structure. The results indicate that externally bonded CFRP strengthening is very effective for seismic strengthening of steel frames. The CFRP strengthening technique reduced the lateral deflection by improving the stiffness and energy absorption capacity of the steel frames.

KeywordsCFRP, finite element analysis, seismic strengthening, shake table test, steel Frame
ANZSRC Field of Research 2020400506. Earthquake engineering
400599. Civil engineering not elsewhere classified
400510. Structural engineering
401602. Composite and hybrid materials
Public Notes

File reproduced in accordance with the copyright policy of the publisher/author.

Byline AffiliationsQueensland University of Technology
Monash University
Institution of OriginUniversity of Southern Queensland
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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