RC beams shear-strengthened with FRP: Stress distributions in the FRP reinforcement

Construction and Building Materials

Volumn 23, Issue 4, 2009, Pages 1544-1554

  Lu, X Z ^a   Chen, J F ^b   Ye, L P ^a   Teng, J G ^c   Rotter, J M ^b  

^a TSINGHUA UNIVERSITY   (China)

^b UNIVERSITY OF EDINBURGH   (United Kingdom)

^c HONG KONG POLYTECHNIC UNIVERSITY   (Hong Kong)

Author keywords

Concrete beams; FRP; Shear strength; Strengthening; Stress distributions

Indexed keywords

BUILDING MATERIALS; CARBON FIBER REINFORCED PLASTICS; CONCRETE BEAMS AND GIRDERS; CONCRETE PRODUCTS; DEBONDING; FAILURE ANALYSIS; FIBER REINFORCED PLASTICS; IMAGE SEGMENTATION; POLYMER MATRIX COMPOSITES; REINFORCED CONCRETE; REINFORCEMENT; SHEAR STRENGTH; STRENGTH OF MATERIALS; STRENGTHENING (METAL); STRESS CONCENTRATION; STRESSES;

BOND-SLIP MODELS; CONCRETE BEAMS; CRACK WIDTHS; DEBONDING FAILURES; EXTERNALLY BONDED; FIBRE-REINFORCED POLYMERS; FRP; FRP REINFORCEMENTS; MODES OF FAILURES; NUMERICAL RESULTS; NUMERICAL STUDIES; RC BEAMS; REINFORCED CONCRETE BEAMS; SATISFACTORY PREDICTIONS; SHEAR CAPACITIES; SHEAR FAILURE MODES; STEEL REINFORCEMENTS; STRENGTHENED BEAMS; STRENGTHENING; STRESS DISTRIBUTIONS; ULTIMATE LIMIT STATE;

REINFORCED PLASTICS;

EID: 59049083341     PISSN: 09500618     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.conbuildmat.2008.09.019     Document Type: Article

References (33)

1. Chen J.F., and Teng J.G. Shear capacity of FRP-strengthened RC beams: FRP debonding. Constr Build Mater 17 (2003) 27-41
2. Chajes M.J., Januszka T.F., Mertz D.R., Thomson Jr. T.A., and Finch Jr. W.W. Shear strengthening of reinforced concrete beams using externally applied composite fabrics. ACI Struct J 92 3 (1995) 295-303
3. Chaallal O., Nollet M.J., and Perraton D. Strengthening of reinforced concrete beams with externally bonded fiber-reinforced-plastic plates: design guidelines for shear and flexure. Can J Civil Eng 25 4 (1998) 692-704
4. Khalifa A., Gold W.J., Nanni A., and Aziz A. Contribution of externally bonded FRP to shear capacity of RC flexural members. J Compos Constr ASCE 2 4 (1998) 195-203
5. Maeda T, Asano Y, Sato Y, Ueda T, Kakuta Y. A study on bond mechanism of carbon fiber sheet. In: Proceedings of 3rd international symposium on non-metallic (FRP) reinforcement for concrete structures, Sapporo; 1998. p. 279-85.
6. Malek A.M., and Saadatmanesh H. Analytical study of reinforced concrete beams strengthened with web-bonded fibre reinforced plates or fabrics. ACI Struct J 95 3 (1998) 343-351
7. Triantafillou T.C. Shear strengthening of reinforced concrete beams using epoxy-bonded FRP composites. ACI Struct J 95 2 (1998) 107-115
8. Triantafillou T.C., and Antonopoulos C.P. Design of concrete flexural members strengthened in shear with FRP. J Compos Constr ASCE 4 4 (2000) 198-205
9. Chen JF, Teng JG. Shear strengthening of RC beams by external bonding of FRP composites: a new model for FRP debonding failure. In: Proceedings (CD-ROM), 9th international conference on structural faults + repairs, London; 4-6 July, 2001.
10. Chen JF, Teng JG. A shear strength model for FRP strengthened RC beams. In: FRPRCS-5 fibre-reinforced plastics for reinforced concrete structures, Cambridge; 2001. p. 205-14.
11. Chen J.F., and Teng J.G. Shear capacity of FRP strengthened RC beams: fibre reinforced polymer rupture. J Struct Eng ASCE 129 5 (2003) 615-625
12. Teng J.G., Lam L., and Chen J.F. Shear strengthening of RC beams using FRP composites. Prog Struct Eng Mater 6 (2004) 173-184
13. Taljsten B. Strengthening concrete beams for shear with CFRP sheets. Constr Build Mater 17 1 (2003) 15-26
14. Concrete Society Committee. Design guidance for strengthening concrete structures using fiber composite materials. Technical Report No. 55, Century House, Berkshire, UK; 2004.
15. Adhikary B.B., Mutsuyoshi H., and Ashraf M. Shear strengthening of reinforced concrete beams using fiber-reinforced polymer sheets with bonded anchorage. ACI Struct J 101 2 (2004) 219-227
16. Bousselham A., and Chaallal O. Shear strengthening reinforced concrete beams with fiber-reinforced polymer: assessment of influencing parameters and required research. ACI Struct J 101 5 (2004) 660-668
17. Cao S.Y., Chen J.F., Teng J.G., Hao Z., and Chen J. Debonding in RC beams shear strengthened with complete FRP wraps. J Compos Constr ASCE 9 5 (2005) 417-428
18. Ali M.S.M., Oehlers D.J., and Seracino R. Vertical shear interaction model between external FRP transverse plates and internal steel stirrups. Eng Struct 28 3 (2006) 381-389
19. Teng J.G., Chen J.F., Smith S.T., and Lam L. FRP-strengthened RC structures (2002), John Wiley & Sons, UK
20. Teng J.G., Chen J.F., Smith S.T., and Lam L. Behaviour and strength of FRP-strengthened RC structures: a state-of-the-art review. P I Civil Eng - Struct Build 156 SB1 (2003) 51-62
21. Lu X.Z., Teng J.G., Ye L.P., and Jiang J.J. Bond-slip models for FRP sheets/plates externally bonded to concrete. Eng Struct 27 6 (2005) 938-950
22. JSCE. Recommendations for upgrading of concrete structures with use of continuous fiber sheets. Research committee on upgrading of concrete structures with use of continuous fiber sheets (2000), Japanese Society of Civil Engineers
23. fib. Externally bonded FRP reinforcement for RC structures. Task group 9.3. International Federation for Structural Concrete (fib); 2001.
24. ISIS Canada. Strengthening reinforced concrete structures with externally-bonded fiber reinforced polymers. ISIS Canada, University of Manitoba, Manitoba, Canada; 2001.
25. ACI. Guide for the design and construction of externally bonded FRP systems for strengthening concrete structures. ACI440.2R-02 (2002), American Concrete Institute
26. Tan Z. Experimental research for RC beam strengthened with GFRP. Master thesis, Tsinghua University, Beijing, China; 2002.
27. Lu XZ. Studies on FRP-concrete interface. PhD thesis, Tsinghua University, Beijing, China; 2004.
28. Deniaud C., and Cheng J.J.R. Simplified shear design method for concrete beams strengthened with fiber reinforced polymer sheets. J Compos constr ASCE 8 5 (2004) 425-433
29. Monti G., and Liotta M. Tests and design equations for FRP-strengthening in shear. Constr Build Mater 21 4 (2007) 799-809
30. Chen J.F., and Teng J.G. Anchorage strength models for FRP and steel plates bonded to concrete. J Struct Eng ASCE 127 7 (2001) 784-791
31. Teng J.G., Yuan H., and Chen J.F. FRP-to-concrete interfaces between two adjacent cracks: theoretical model for debonding failure. Int J Solids Struct 43 18-19 (2006) 5750-5778
32. Chen J.F., Yuan H., and Teng J.G. Debonding failure along a softening FRP-to-concrete interface between two adjacent cracks in concrete members. Eng Struct 29 (2007) 259-270
33. ANSYS. User's manual. ANSYS Company; 1999.