Flexural behavior of reinforced concrete (RC) beams retrofitted with hybrid fiber reinforced polymers (FRPs) under sustaining loads

Composite Structures

Volumn 93, Issue 2, 2011, Pages 802-811

  Kim, Hee Sun ^a   Shin, Yeong Soo ^a  

^a Ewha Womans University   (South Korea)

Author keywords

Flexural behavior; Hybrid fiber reinforced polymers (FRPs); Reinforced concrete beams; Retrofitting; Strengthening

Indexed keywords

CARBON FRP; EXPERIMENTAL STUDIES; FLEXURAL BEHAVIOR; HYBRID FIBER; HYBRID FIBER REINFORCED POLYMERS (FRPS); PRELOADS; RC BEAMS; REINFORCED CONCRETE BEAMS; STRENGTHENING; STRENGTHENING EFFECT; STRUCTURAL BEHAVIORS; TEST RESULTS; THREE-LAYER;

CARBON FIBERS; CONCRETE BEAMS AND GIRDERS; CONCRETE BUILDINGS; FIBERS; LAMINATES; POLYMERS; REINFORCED CONCRETE; REINFORCED PLASTICS; RETROFITTING; STRENGTHENING (METAL);

FIBER REINFORCED PLASTICS;

EID: 79951515138     PISSN: 02638223     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.compstruct.2010.07.013     Document Type: Article

References (22)

1. Swamy R.N., Roberts H. Structural behavior of externally bonded steel plated RC beams after long-term exposure. Struct Eng 1995, 73(16):255-261.
2. Saadatmanesh H., Ehsani M. RC beams strengthened with GFRP plates I: experimental study. J Struct Eng, ASCE 1991, 117(11):3417-3433.
3. Ritchie P.A. External reinforcement of concrete beams using fiber reinforced plastics. Struct J, ACI 1991, 88(4):490-496.
4. Chajes M.J., Thomson T.A., Januszka Ted F., Finch W.W. Flexural strengthening of concrete beams using externally bonded composite materials. J Construct Build Mater 1994, 8(3):191-201.
5. Sharif A., Al-Sulaimani G.J., Basunbul I.A., Baluch M.H., Ghaleb B.N. Strengthening of initially loaded reinforced concrete beams using FRP plates. ACI Struct J 1994, 91(2):160-168.
6. Kachalakev D., McCurry D.D. Behavior of full-scale reinforced concrete beams retrofitted for shear and flexural with FRP laminates. Composites: Part B 2000, 31(2000):445-452.
7. Wu Z., Li W., Sakuma N. Innovative externally bonded FRP/concrete hybrid flexural members. Compos Struct 2006, 72(3):289-300.
8. Pham H., Al-Mahaidi R. Experimental investigation into flexural retrofitting of reinforced concrete bridge beams using FRP composites. Compos Struct 2004, 66(1-4):617-625.
9. Ashour A.F., El-Refaie S.A., Garrity S.W. Flexural strengthening of RC continuous beams using CFRP laminates. Cem Concr Compos 2004, 26(2004):765-775.
10. Shin Y., Lee C. Flexural behavior of reinforced concrete beams strengthened with CFRP laminates at different levels of sustaining load. Struct J 2003, 100(2):231-239.
11. Wenwei W., Guo L. Experimental study and analysis of RC beams strengthened with CFRP laminates under sustaining load. Int J Solids Struct 2006, 43(2006):1372-1387.
12. Bencardino F., Spadea G., Swamy R.N. The problem of shear in RC beams strengthened with CFRP laminates. Construct Build Mater 2007, 21(2007):1997-2006.
13. Jayaprakash J., Samad A.A.A., Abbasovich A.A., Ali A.A.A. Shear capacity of precracked and non-precracked reinforced concrete shear beams with externally bonded bi-directional CFRP strips. Construct Build Mater 2008, 22(2008):1148-1165.
14. Bousselham A., Chaallal O. Mechanism of shear resistance of concrete beams strengthened in shear with externally bonded FRP. J Compos Construct 2008, 12(5):499-512.
15. Robert T.M. Approximate analysis of shear and normal stress concentrations in the adhesive layer of plated RC beams. Struct Eng 1989, 67(12):229-233.
16. Quantrill R.J., Hollaway L.C., Thorne A.M. Experimental and analytical investigations of FRP-strengthened beam response: Part I. Mag Concr Res 1996, 48(177):331-342.
17. Malek A.M., Saadatmanesh H., Ehsani M.R. Prediction of failure load of R/C beams strengthened with FRP plate due to stress concentration at the plate end. ACI Struct J 1998, 95(1):142-152.
18. Buyukozturk O., Hearing B. Failure behavior of precracked concrete beams retrofitted with FRP. ASCE J Compos Construct 1998, 2(3):138-144.
19. Nguyen D.M., Chan T.K., Cheong H.K. Brittle failure and bond development length of CFRP concrete beams. J Compos Construct, ASCE 2001, 5(1):12-17.
20. Leung C. FRP debonding from a concrete substrate: some recent findings against conventional belief. Cem Concr Compos 2006, 28(8):742-748.
21. Ceroni F., Pecce M. Cracking behaviour of RC beams externally strengthened with emerging materials. Construct Build Mater 2007, 21(2007):736-745.
22. Tan K.H., Saha M.K. Long-term deflections of RC beams externally bonded with FRP system. ASCE J Compos Construct 2006, 10(6):474-482.