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Sadhana

, Volume 40, Issue 1, pp 249–261 | Cite as

Strengthening of steel–concrete composite girders using carbon fibre reinforced polymer (CFRP) plates

  • S M MOSAVI
  • A SADEGHI NIK
Article

Abstract

Applying composites in order to strengthen and renew the infrastructures has globally been accepted. Traditional methods to strengthen the out-of-standard structures are costly, time consuming and requires a lot of labour. Today, new techniques are hired using light and strong substances which also resist against corrosion, known as Carbon Fibre Reinforced Polymer (CFRP) plates. Regarding the high tensile strength and proper module of elasticity, CFRP plates are considered as a suitable alternative to strengthen girders. The behaviour of steel–concrete composite girders being statically loaded and strengthened by CFRP plates in this study. The CFRP plates used in this study have been stuck, with epoxy adhesive, under the tensile sections of three steel girders. The results accompanied with analytical study of moment–curvature and numerical analysis done with ANSYS, show that CFRP plates with epoxy adhesive increases the ultimate loading capacity of steel–concrete composite girder. Plastic stiffness of the girders was also increased.

Keywords

Strengthening CFRP steel–concrete ANSYS and composite. 

References

  1. Allan R C, Brid J and Clarke J D 1988 Use of adhesives in repair of cracks in ship structures. Mater. Sci. Technol., 4: 853–859CrossRefGoogle Scholar
  2. Al-Saidy A H, Klaiber F W, and Wipf T J 2007 Strengthening of steel–concrete composite girders using carbon fiber reinforced polymer plates. Construction Build. Mater., 21: 295–302CrossRefGoogle Scholar
  3. Baker A A 1987 Fiber composite repair of cracked metallic aircraft components of particial basic aspect. Composites, 18(4): 293–308CrossRefGoogle Scholar
  4. Bangash M Y H 1989 Concrete and concrete structures: Numerical modeling and application. London, England: Elsevier Science Publisher LtdGoogle Scholar
  5. Collins Michael P and Denis Mitchell 1997 Prestressed concrete structures. Canada: Response PublicationGoogle Scholar
  6. Desayi P and Kreishna S 1964 Equation for the stress-strain curve of concrete. J. Am. Concrete Inst., 61: 345–350Google Scholar
  7. Dorton R A and Reel R 1997 Methods for increasing live load capacity of existing highway bridges. NCHRP Synthesis 249, TRB, National Research Council, Washington, DC; 66Google Scholar
  8. FHWA Bridge program Group 2001 Count of deficient highway bridges. The office of bridge technology, the federal highway administration. Washington: D.C.Google Scholar
  9. Grabovac I, Bartholomeusz R A and Baker A A 1993 Composite reinforcement of ship superstructure project overview. Composites 24(6): 501–509Google Scholar
  10. Gere J M and Timoshenko S P 1997 Mechanics of materials. Boston, Massachusetts: PWS Publishing CompanyGoogle Scholar
  11. Klaiber F W, Dunker K F, Wipf T J, and Sanders W W 1987 Method of strengthening existing high-way bridges. NCHRP Report No.293, TRB, National Research Council, Washington, DC; 114Google Scholar
  12. Liu X, Silva P and Nanni A 2001 Rehanilitation of steel bridge members with FRP composites materials. Figueiras, J., Javanese, L. and Furia, R. (eds), In: Proceedings of CCC 2001, Composites in construction, 613-617Google Scholar
  13. Mattock Alan H 1979 Flexural strength of prestressed concrete sections by programmable calculator. PCI Journal 24: 32–54Google Scholar
  14. Mertz D R and Gillespie J W 1996 Rehabilitation of steel bridge girders through the application of advanced composite materials (Contract NCHRP-93-ID011). Transportation Research Board. Washington, D.C.Google Scholar
  15. Miller T C, Chajes M J, Mertz D R and Hastings J N 2001 Strengthening of a steel bridge girder using CFRP plates. J. Bridge Eng., 6(16): 514–522CrossRefGoogle Scholar
  16. Patnaik A K and Buer C L 2004 Strengthening of steel beams with carbon CFRP laminates. In: 4th international conference on advanced composite materials in bridges and structures, Calgary, 1-8Google Scholar
  17. Rostasy F S, Neubauer U, and Nothnagel R 2005 Strengthening of historic cast iron girder with bonded CFRP plates. Seracino (ed.), In: FRP composites in civil engineering- CICE 2004, Leiden, A.A. Belkama, 725–731Google Scholar
  18. Sen R and Libby L 1994 Repair of steel composite bridge section using CFRP laminates. Final report submitted to Florida and us department of transportation, Virginia: NTISGoogle Scholar
  19. Schnerch D 2005 Strengthening of structures with high modulus carbon fiber reinforced polymer (CFRP) materials. Ph.D. dissertation, North Carolina state University, Raleigh, North CarolinaGoogle Scholar
  20. Tavakkolizadeh Mand Saadatmanesh H 2003a Fatigue strength of steel girders reinforced with carbon fiber reinforced polymer patch. J. Struct. Eng. 129(2): 186–196.Google Scholar
  21. Tavakkolizadeh M and Saadatmanesh H 2003b Repair of damaged steel-concrete composite girders using carbon fiber reinforced polymer sheets. J. Composites Construction. 7(4): 311–322Google Scholar
  22. Tavakkolizadeh M and Saadatmanesh H 2003c Strengthening of steel-concrete composite girder using carbon fiber reinforced polymer sheets. J. Struct. Eng., 129(1): 30–40Google Scholar

Copyright information

© Indian Academy of Sciences 2015

Authors and Affiliations

  1. 1.Department of Civil Engineering, Tonekabon BranchIslamic Azad UniversityTonekabonIran
  2. 2.Young Researchers and Elite Club, Jouybar BranchIslamic Azad UniversityJouybarIran

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