Structural Engineering and Mechanics

  • 제35권5호
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  • Pages.539-554
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  • 2010
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  • 1225-4568(pISSN)
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  • 1598-6217(eISSN)
테크노프레스 (Techno-Press)
권호 표지
DOI QR코드

DOI QR Code

Optimum design of FRP box-girder bridges

  • Upadhyay, Akhil (Department of Civil Engineering, IIT Roorkee) ;
  • Kalyanaraman, V. (Department of Civil Engineering, IIT Madras)
  • 투고 : 2008.08.12
  • 심사 : 2010.02.22
  • 발행 : 2010.07.30
⟨ 이전 논문 다음 논문 ⟩

초록

Light weight superstructure is beneficial for bridges in remote areas and in emergency erection. In such weight sensitive applications, combination of fibre reinforced plastics (FRP) as material and box-girders as a structural system have great scope. This combination offers various options to tailor structure and its elements but this flexibility poses greater challenge in optimum design. In this paper a procedure is derived for a generalised optimum design of FRP box-girder bridges, using genetic algorithms (GA). The formulation of the optimum design problem in the form of objective function and constraints is presented. Size, configuration and topology optimization are done simultaneously. A few optimum design studies are carried out to check the performance of the developed procedure and to get trends in the optimum design which will be helpful to the new designers.

키워드

참고문헌

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피인용 문헌

  1. Buckling of Laminated Composite Stiffened Panels Subjected to Linearly Varying In-Plane Edge Loading vol.15, pp.1, 2014, https://doi.org/10.1080/15502287.2013.834000
  2. Innovative composite structural insulated panels (CSIPs) folded shell structures for large-span roofs vol.50, pp.1, 2017, https://doi.org/10.1617/s11527-016-0924-3
  3. Experimental study of vibration characteristics of FRP cables based on Long-Gauge strain vol.63, pp.6, 2010, https://doi.org/10.12989/sem.2017.63.6.735