Anchorage devices used to improve the performance of reinforced concrete beams retrofitted with FRP composites: State-of-the-art review

Journal of Composites for Construction

Volumn 17, Issue 1, 2013, Pages 14-33

  Kalfat, R ^a   Al Mahaidi, R ^a   Smith, Scott T ^b  

^a SWINBURNE UNIVERSITY OF TECHNOLOGY   (Australia)

^b UNIVERSITY OF HONG KONG   (Hong Kong)

Author keywords

Anchor; Bidirectional fabric; Fiber reinforced polymer (FRP); Mechanical fastening; Spike; Substrate strengthening; U jackets

Indexed keywords

FIBER REINFORCED POLYMERS; MECHANICAL FASTENING; SPIKE; SUBSTRATE STRENGTHENING; U-JACKETS;

ANCHORS; CONCRETE BEAMS AND GIRDERS; DEBONDING; FIBER REINFORCED PLASTICS; REINFORCED CONCRETE;

ANCHORAGES (FOUNDATIONS);

EID: 84873358646     PISSN: 10900268     EISSN: None     Source Type: Journal    
DOI: 10.1061/(ASCE)CC.1943-5614.0000276     Document Type: Review

References (78)

1. Al-Amery, R., and, Al-Mahaidi, R. (2006). " Coupled flexural-shear retrofitting of RC beams using CFRP straps." Compos. Struct. COMSE2 0263-8223, 75 (1-4), 457-464. 10.1016/j.compstruct.2006.04.037
2. Al-Mahaidi, R., and, Kalfat, R. (2011). " Investigation into CFRP plate end anchorage utilising uni-directional fabric wrap." Compos. Struct. COMSE2 0263-8223, 93 (2), 821-830. 10.1016/j.compstruct.2010.07.012
3. Al-Mahaidi, R., and, Sentry, M. W. G. (2009). " Testing the efficiency of anchorage systems applied to CFRP laminate strips bonded to concrete-Westgate bridge strengthening project." Dept. of Civil Engineering Rep., Monash Univ., Melbourne, Australia.
4. American Concrete Institute (ACI). (2008). " Guide for the design and construction of externally bonded FRP systems for strengthening concrete structure." ACI 440.2R-08, Farmington Hills, MI.
5. Aridome, Y., Kanakubo, T., Furuta, T., and, Matsui, M. (1998). " Ductility of T -shape RC beams strengthened by CFRP sheet U-anchor." Trans. Jpn. Concr. Inst. 0911-8985, 20, 117-124.
6. Bank, L. C. (2006). Composites for construction: Structural design with FRP materials, Wiley, Hoboken, NJ.
7. Buyle-Bodin, F., and, David, E. (2004). " Use of carbon fibre textile to control premature failure of reinforced concrete beams strengthened with bonded CFRP plates." J. Ind. Text. JINTFC 1528-0837, 33 (3), 145-157. 10.1177/1528083704039251
8. Ceroni, F., Pecce, M., Matthys, S., and, Taerwe, L. (2008). " Debonding strength and anchorage devices for reinforced concrete elements strengthened with FRP sheets." Compos. Part B: Eng. CPBEFF 1359-8368, 39 (3), 429-441. 10.1016/j.compositesb.2007.05.002
9. Chen, J. F., and, Teng, J. G. (2003). " Shear capacity of FRP-strengthened RC beams: FRP debonding." Constr. Build. Mater. CBUMEZ 0950-0618, 17 (1), 27-41. 10.1016/S0950-0618(02)00091-0
10. Concrete Society. (2004). Design guidance for strengthening concrete structures with fibre composite materials, Concrete Society Technical Rep. No. 55, 2nd Ed., Surrey, U.K.
11. Deifalla, A., and, Ghobarah, A. (2010). " Strengthening RC T -beams subjected to combined torsion and shear using FRP fabrics: Experimental study." J. Compos. Constr. JCCOF2 1090-0268, 14 (3), 301-311. 10.1061/(ASCE)CC.1943-5614.0000091
12. Duthinh, D., and, Starnes, M. (2001). " Strengthening of reinforced concrete beams with carbon FRP." Composites in construction, Figueiras, et al., eds., Vol. 1, Swets & Zeitlinger, Lisse, The Netherlands, 493-498.
13. Eshwar, N., Ibell, T., and, Nanni, A. (2005). " Effectiveness of CFRP strengthening on curved soffit RC beams." Adv. Struct. Eng. 1369-4332, 8 (1), 55-68. 10.1260/1369433053749607
14. Galal, K., and, Mofidi, A. (2010). " Shear strengthening of RC T -beams using mechanically anchored unbonded dry carbon fiber sheets." J. Perform. Constr. Facil. JPCFEV 0887-3828, 24 (1), 31-39. 10.1061/(ASCE)CF.1943- 5509.0000067
15. Garden, H. N., and, Hollaway, L. C. (1998). " An experimental study of the influence of plate end anchorage of carbon fibre composite plates used to strengthen reinforced concrete beams." Compos. Struct. COMSE2 0263-8223, 42 (2), 175-188. 10.1016/S0263-8223(98)00070-1
16. Grelle, S. V., and, Sneed, L. H. (2011). " An evaluation of anchorage systems for fiber-reinforced polymer (FRP) laminates bonded to reinforced concrete elements." Proc., 2011 Structures Congress, ASCE, Reston, VA.
17. Hag-Elsafi, O., Alampalli, S., and, Kunin, J. (2001). " Application of FRP laminates for strengthening of a reinforced concrete T -beam bridge structure." Compos. Struct. COMSE2 0263-8223, 52 (3-4), 453-466. 10.1016/S0263-8223(01)00035-6
18. Hollaway, L. C., and, Teng, J. G. (2008). Strengthening and rehabilitation of civil infrastructures using fibre-reinforced polymer (FRP) composites, Woodhead Publishing, Cambridge, U.K.
19. Hoult, N. A., and, Lees, J. M. (2009). " Efficient CFRP strap configurations for the shear strengthening of reinforced concrete T -beams." J. Compos. Constr. JCCOF2 1090-0268, 13 (1), 45-52. 10.1061/(ASCE)1090-0268(2009)13:1(45)
20. International Federation for Structural Concrete (fib). (2001). " Externally bonded FRP reinforcement for RC structures." Technical Rep., Task Group 9.3, Bulletin No. 14, Lausanne, Switzerland.
21. Japan Society of Civil Engineers (JSCE). (2001). " Recommendations for upgrading of concrete structures with use of continuous fiber sheets." Concrete engineering series 41 (English version), Tokyo.
22. Jensen, A. P., Petersen, C. G., Poulsen, E., Ottosen, C., and, Thorsen, T. (1999). " On the anchorage to concrete of sika carbodur CFRP strips." Proc., Int. Congress on Creating with Concrete, Thomas Telford Publishing, London.
23. Kalfat, R. (2008). " The strengthening of post-tensioned slabs using CFRP composites at White City, London." Proc., Structural Faults and Repair, 12th Int. Congress and Exhibition (CD-ROM), Engineering Technics Press, Edinburgh, U.K.
24. Kalfat, R., and, Al-Mahaidi, R. (2011). " Investigation into bond behaviour of a new CFRP anchorage system for concrete utilising a mechanically strengthened substrate." Compos. Struct. COMSE2 0263-8223, 92 (11), 2738-2746.
25. Kalfat, R., Al-Mahaidi, R., and, Williams, G. (2011). " Investigation of efficient anchorage systems for shear and torsional retrofitting of box girder bridges." Proc., 10th Int. Symp. on Fiber Reinforced Polymer for Reinforced Concrete Structures, FRPRCS-10 (CD-ROM), Thomas Telford Publishing, London.
26. Karantzikis, M., Papanicolaou, C. G., Antonopoulos, C. P., and, Triantafillou, T. C. (2005). " Experimental investigation of nonconventional confinement for concrete using FRP." J. Compos. Constr. JCCOF2 1090-0268, 9 (6), 480-487. 10.1061/(ASCE)1090-0268(2005)9:6(480)
27. Karbhari, V. M., and, Abanilla, M. A. (2007). " Design factors, reliability, and durability prediction of wet layup carbon/epoxy used in external strengthening." Compos. Part B: Eng. CPBEFF 1359-8368, 38 (1), 10-23. 10.1016/j.compositesb.2006.06.001
28. Khalifa, A., Belarbi, A., and, Nanni, A. (2000). " Shear performance of RC members strengthened with externally bonded FRP wraps." Proc., 12th World Conf. on Earthquake Engineering, New Zealand Society for Earthquake Engineering, Auckland, New Zealand.
29. Khan, A., and, Ayub, T. (2010). " Effectiveness of U-shaped CFRP wraps as end anchorages in predominant flexure and shear region." Advances in FRP Composites in Civil Engineering, Proc., 5th Int. Conf. on FRP Composites in Civil Engineering, CICE 2010, Tsinghue University Press, Beijing, 533-536.
30. Kim, I., Jirsa, O., and, Bayrak, O. (2009). " Use of anchors to strengthen lap splices of rectangular RC columns." Proc., 9th Int. Symp. on Fiber Reinforced Polymer Reinforcement for Concrete Structures, FRPRCS-9 (CD-ROM), Thomas Telford Publishing, London.
31. Kim, S. J., and, Smith, S. T. (2009 a). " Behaviour of handmade FRP anchors under tensile load in uncracked concrete." Adv. Struct. Eng. 1369-4332, 12 (6), 845-865. 10.1260/136943309790327716
32. Kim, S. J., and, Smith, S. T. (2009 b). " Shear strength and behaviour of FRP spike anchors in cracked concrete." Proc., 9th Int. Symp. on Fiber Reinforced Polymer Reinforcement for Concrete Structures, FRPRCS-9 (CD-ROM), Thomas Telford Publishing, London.
33. Kim, S. J., and, Smith, S. T. (2010). " Pullout strength models for FRP anchors in uncracked concrete." J. Compos. Constr. JCCOF2 1090-0268, 14 (4), 406-414. 10.1061/(ASCE)CC.1943-5614.0000097
34. Kobayashi, K., Fujii, S., Yabe, Y., Tsukugoshi, H., and, Sugiyama, T. (2001). " Advanced wrapping system with CF-anchor-Stress transfer mechanism of CF-anchor." Proc., 5th Int. Conf. on Fibre Reinforced Plastics for Reinforced Concrete Structures, FRPRCS-5, Thomas Telford Publishing, London, 379-388.
35. Lam, L., and, Teng, J. G. (2001). " Strength of RC cantilever slabs bonded with GFRP strips." J. Compos. Constr. JCCOF2 1090-0268, 5 (4), 221-227. 10.1061/(ASCE)1090-0268(2001)5:4(221)
36. Lee, T. K. (2003). " Shear strengthening of reinforced concrete T -beams strengthened using reinforced carbon fibre polymer (CFRP) laminates." Ph.D. dissertation, Dept. of Civil Engineering, Monash Univ., Melbourne, Victoria, Australia.
37. Lee, T. K., and, Al-Mahaidi, R. (2008). " An experimental investigation on shear behaviour of RC T -beams strengthened with CFRP using photogrammetry." Compos. Struct. COMSE2 0263-8223, 82 (2), 185-193. 10.1016/j.compstruct.2006.12.012
38. Leung, C. K. Y., and, Yang, Y. (2006). " Energy-based modeling approach for debonding of FRP plate from concrete substrate." J. Eng. Mech. JENMDT 0733-9399, 132 (6), 583-593. 10.1061/(ASCE)0733-9399(2006)132:6(583)
39. Maeda, T. A. Y., Sato, Y., Ueda, T., and, Kakuta, Y. (1997). " A study on bond mechanism of carbon fiber sheet." Proc., 3rd Int. Symp. on Non-Metallic (FRP) Reinforcement for Concrete Structures, FRPRCS-3, Thomas Telford Publishing, London, 279-285.
40. Micelli, F., Annaiah, R. H., and, Nanni, A. (2002). " Strengthening of short shear span reinforced concrete T joists with fiber-reinforced plastic composites." J. Compos. Constr. JCCOF2 1090-0268, 6 (4), 264-271. 10.1061/(ASCE)1090-0268(2002)6:4(264)
41. Micelli, F., Rizzo, A., and, Galati D. (2010). " Anchorage of composite laminates in RC flexural beams." Struct. Concr. 1464-4177, 11 (3), 117-126.
42. Niemitz, C. M. (2008). " Anchorage of carbon fiber reinforced polymers to reinforced concrete in shear applications." M.S. thesis, Univ. of Massachusetts, Amherst, MA.
43. Oehlers, D. J., and, Seracino, R. (2004). Design of FRP and steel plated RC structures, Elsevier, London.
44. Oehlers, D. J., Seracino, R., and, Smith, S. T. (2008). Design handbook for RC structures retrofitted with FRP and metal plates: Beams and slabs, HB 305-2008, Standards Australia, Sydney, Australia.
45. Ombres, L. (2010). " Prediction of intermediate crack debonding failure in FRP-strengthened reinforced concrete beams." Compos. Struct. COMSE2 0263-8223, 92 (2), 322-329. 10.1016/j.compstruct.2009.08.003
46. Ortega, C. A., Belarbi, A., and, Bae S. W. (2009). " End anchorage of externally bonded FRP sheets for the case of shear strengthening of concrete girders." Proc., 9th Int. Symp. on Fiber Reinforced Polymer Reinforcement for Concrete Structures, FRPRCS-9 (CD-ROM), Thomas Telford, London.
47. Orton, S. L., Jirsa, J. O., and, Bayrak, O. (2008). " Design considerations of carbon fiber anchors." J. Compos. Constr. JCCOF2 1090-0268, 12 (6), 608-616. 10.1061/(ASCE)1090-0268(2008)12:6(608)
48. Ozbakkaloglu, T., and, Saatcioglu, M. (2009). " Tensile behavior of FRP anchors in concrete." J. Compos. Constr. JCCOF2 1090-0268, 13 (2), 82-92. 10.1061/(ASCE)1090-0268(2009)13:2(82)
49. Ozdemir, G. A. U. (2005). " Tensile capacity of CFRP anchors." Proc., 7th Int. Symp. on Fibre-Reinforced Polymer Reinforcement for Concrete Structures, FRPRCS-7, Thomas Telford, London.
50. Pan, J., Leung, C. K. Y., and, Luo, M. (2010). " Effect of multiple secondary cracks on FRP debonding from the substrate of reinforced concrete beams." Constr. Build. Mater. CBUMEZ 0950-0618, 24 (2), 2507-2516. 10.1016/j.conbuildmat.2010.06.006
51. Panchacharam, S., and, Belarbi, A. (2002). " Torsional behaviour of reinforced concrete beams strengthened with FRP composites." 1st Congress on Concrete Structures in the 21st Century, fib, Lausanne, Switzerland.
52. Pham, H. B., and, Al-Mahaidi, R. (2004). " Assessment of available prediction models for the strength of FRP retrofitted RC beams." Compos. Struct. COMSE2 0263-8223, 66 (1-4), 601-610. 10.1016/j.compstruct.2004.05.008
53. Pham, H. B., and, Al-Mahaidi, R. (2006). " Prediction models for debonding failure loads of carbon fiber reinforced polymer retrofitted reinforced concrete beams." J. Compos. Constr. JCCOF2 1090-0268, 10 (1), 48-59. 10.1061/(ASCE)1090-0268(2006)10:1(48)
54. Pham Le, O. J. J., and, Bayrak, O. (2009). " Development of quality control tests for CFRP anchors." Proc., 9th Int. Symp. on Fiber Reinforced Polymer Reinforcement for Concrete Structures, FRPRCS-9 (CD-ROM), Thomas Telford, London.
55. Pimanmas, A., and, Pornpongsaroj P. (2004). " Peeling behaviour of reinforced concrete beams strengthened with CFRP plates under various end restraint conditions." Mag. Concr. Res. MCORAV 0024-9831, 56 (2), 73-81. 10.1680/macr.2004.56.2.73
56. Pornpongsaroj, P., and, Pimanmas, A. (2003). " Effect of end wrapping of peeling behavior of pre-strengthened beams." Proc., 6th Int. Symp. on Fibre-Reinforced Polymer (FRP) Reinforcement for Concrete Structures, FRPRCS-6, Thomas Telford Publishing, London, 227-286.
57. Sagawa, Y., Matsushita, H., and, Tsuruta, H. (2001). " Anchoring method for carbon fibre sheet for strengthening of reinforced concrete beams." Proc., 5th Int. Conf. on Fibre Reinforced Plastics for Reinforced Concrete Structures, FRPRCS-5, Thomas Telford Publishing, London, 407-417.
58. Salom, P. R., Gergely, J., and, Young, D. T. (2004). " Torsional strengthening of spandrel beams with fiber-reinforced polymer laminates." J. Compos. Constr. JCCOF2 1090-0268, 8 (2), 157-162. 10.1061/(ASCE)1090- 0268(2004)8:2(157)
59. Sawada, S., Kishi, N., Mikami, H., and, Kurihashi, Y. (2003). " An experimental study on debond control of AFRP's for flexurally strengthened RC beams." Proc., 6th Int. Symp. on Fibre-Reinforced Polymer (FRP) Reinforcement for Concrete Structures, FRPRCS-6, Thomas Telford Publishing, London, 287-296.
60. Sharif, A., Al-Sulaimani, G. J., Basunbul, I. A., Baluch, M. H., and, Ghaleb, B. N. (1994). " Strengthening of initially loaded reinforced concrete beams using FRP plates." ACI Struct. J. ASTJEG 0889-3241, 91 (2), 160-168.
61. Smith, S. T. (2010). " Strengthening of concrete, metallic and timber construction materials with FRP composites." Advances in FRP Composites in Civil Engineering, Proc., 5th Int. Conf. on FRP Composites in Civil Engineering, CICE 2010, Tsinghue University Press, Beijing, 13-19.
62. Smith, S. T., Hu, S., Kim, S. J., and, Seracino, R. (2011). " FRP-strengthened RC slabs anchored with FRP anchors." Eng. Struct. ENSTDF 0141-0296, 33 (4), 1075-1087. 10.1016/j.engstruct.2010.11.018
63. Smith, S. T., and, Teng, J. G. (2002). " FRP-strengthened RC beams. I: Review of debonding strength models." Eng. Struct. ENSTDF 0141-0296, 24 (4), 385-395. 10.1016/S0141-0296(01)00105-5
64. Smith, S. T., and, Teng, J. G. (2003). " Shear-bending interaction in debonding failures of FRP-plated RC beams." Adv. Struct. Eng. 1369-4332, 6 (3), 183-199. 10.1260/136943303322419214
65. Spadea, G., Bencardino, F., and, Swamy, R. N. (1998). " Structural behavior of composite RC beams with externally bonded CFRP." J. Compos. Constr. JCCOF2 1090-0268, 2 (3), 132-137. 10.1061/(ASCE)1090-0268(1998)2:3(132)
66. Spadea, G., Bencardino, F., and, Swamy, R. (2000). " Optimizing the performance characteristics of beams strengthened with bonded CFRP laminates." Mater. Struct. MASTED 1359-5997, 33 (2), 119-126. 10.1007/BF02484166
67. Swiss Federal Laboratories for Materials Science and Technology (EMPA). (1998). " Testing of CFRP shear strips on reinforced concrete T -beams T1 and T2." Test Rep. 169'219 E/1, Dubendorf, Switzerland, 39.
68. Tanarslan, H., Murat, Y. E., and, Sinan, A. (2008). " The effects of CFRP strips for improving shear capacity of RC beams." J. Reinf. Plast. Compos. JRPCDW 0731-6844, 27 (12), 1287-1308.
69. Teng, J. G., Lam, L., Chan, W., and, Wong, J. (2000). " Retrofitting of deficient RC cantilever slabs using GFRP strips." J. Compos. Constr. JCCOF2 1090-0268, 4 (2), 75-84. 10.1061/(ASCE)1090-0268(2000)4:2(75)
70. Teng, J. G., Smith, S. T., Yao, J., and, Chen, J. F. (2003). " Intermediate crack induced debonding in RC beams and slabs." Constr. Build. Mater. CBUMEZ 0950-0618, 17 (6-7), 447-462. 10.1016/S0950-0618(03)00043-6
71. Teng, J. G., and, Yao, J. (2007). " Plate end debonding in FRP-plated RC beams-II: Strength model." Eng. Struct. ENSTDF 0141-0296, 29 (10), 2472-2486. 10.1016/j.engstruct.2006.11.023
72. Wang, J., and, Zhang, C. (2008). " Nonlinear fracture mechanics of flexural-shear crack induced debonding of FRP strengthened concrete beams." Int. J. Solids Struct. IJSOAD 0020-7683, 45 (10), 2916-2936. 10.1016/j.ijsolstr.2008.01.004
73. Wu, Y. F., and, Huang, Y. (2008). " Hybrid bonding of FRP to reinforced concrete structures." J. Compos. Constr. JCCOF2 1090-0268, 12 (3), 266-273. 10.1061/(ASCE)1090-0268(2008)12:3(266)
74. Yalim, B., Kalayci, A. S., and, Mirmiran, A. (2008). " Performance of FRP-Strengthened RC beams with different concrete surface profiles." J. Compos. Constr. JCCOF2 1090-0268, 12 (6), 626-634. 10.1061/(ASCE)1090-0268(2008) 12:6(626)
75. Yao, J., and, Teng, J. G. (2007). " Plate end debonding in FRP-plated RC beams-I: Experiments." Eng. Struct. ENSTDF 0141-0296, 29 (10), 2457-2471. 10.1016/j.engstruct.2006.11.022
76. Zhang, H. W., and, Smith, S. T. (2012 a). " FRP-to-concrete joint assemblages anchored with multiple FRP anchors." Compos. Struct. COMSE2 0263-8223, 94 (2), 403-414. 10.1016/j.compstruct.2011.07.025
77. Zhang, H. W., and, Smith, S. T. (2012 b). " Influence of FRP anchor fan configuration and dowel angle on anchoring FRP plates." Compos. Part B: Eng. CPBEFF 1359-8368, 43 (8), 3516-3527 10.1016/j.compositesb.2011.11.072.
78. Zhang, H. W., Smith, S. T., and, Kim, S. J. (2012). " Optimisation of carbon and glass FRP anchor design." Constr. Build. Mater. CBUMEZ 0950-0618, 32, 1-12. 10.1016/j.conbuildmat.2010.11.100