Seismic strengthening of rigid steel frame with CFRP

• Autorzy: Tafsirojjaman T. , Fawzia S. , Thambiratnam D. , Zhao X. L.

Identyfikatory

DOI

10.1016/j.acme.2018.08.007

• Języki publikacji: EN

Abstrakty

EN

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.

Słowa kluczowe

EN

CFRP; steel frame; seismic strengthening; shake table test; finite element analysis

PL

analiza elementów skończonych; wstrząs sejsmiczny; kompozyt zbrojony włóknem węglowym

• Wydawca: Springer ; Wrocław University of Science and Technology
• Czasopismo: Archives of Civil and Mechanical Engineering
• Rocznik: 2019
• Tom: Vol. 19, no. 2
• Strony: 334--347
• Opis fizyczny: Bibliogr. 49 poz., fot., rys., tab., wykr.

Twórcy

autor

Tafsirojjaman T.

• School of Civil Engineering and Built Environment, Faculty of Science and Engineering, Queensland University of Technology, 2 George Street, Brisbane, QLD 4000, Australia

autor

Fawzia S.

• School of Civil Engineering and Built Environment, Faculty of Science and Engineering, Queensland University of Technology, 2 George Street, Brisbane, QLD 4000, Australia

autor

Thambiratnam D.

• School of Civil Engineering and Built Environment, Faculty of Science and Engineering, Queensland University of Technology, 2 George Street, Brisbane, QLD 4000, Australia

autor

Zhao X. L.

• Department of Civil Engineering, Monash University, Clayton, Victoria 3800, Australia

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