Title:
Modeling Steel Concrete Bond Strength Reduction Due to Corrosion
Author(s):
Arnaud Castel, Inamullah Khan, Raoul François, and Raymond Ian Gilbert
Publication:
Structural Journal
Volume:
113
Issue:
5
Appears on pages(s):
973-982
Keywords:
bond strength; corrosion; reinforced concrete (RC); steel cross-section loss; stirrups
DOI:
10.14359/51688925
Date:
9/1/2016
Abstract:
Reinforcement corrosion in reinforced concrete (RC) structures induces concrete cracking and leads to a reduction in both steel cross section and steel-concrete bond strength. In this paper, a new model is proposed based on a scalar damage parameter Dc that depends on the loss of cross-sectional area of steel due to corrosion. The model predictions are plotted against experimental data from the literature based on both accelerated and natural corrosion processes and compared to other existing empirical models. The proposed new model significantly improves the prediction of the bond strength of corroding steel bars and is valid for all diameters ranging between 10 and 20 mm (0.39 and 0.79 in.). Moreover, two additional parameters have been implemented in the model,
allowing for the consideration of natural (localized) corrosion and the presence of stirrups. A stirrups confinement coefficient st and a pit penetration depth coefficient α have been successfully calibrated using experimental results from the literature.
Related References:
1. Rodriguez, J.; Ortega, L. M.; Casal, J.; and Diez, J. M., “Corrosion of Reinforcement and Service Life of Concrete Structures,” Durability of Building Materials and Components, V. 7, No. 1, 1996, pp. 117-126.
2. Alonso, C.; Andrade, C.; Rodriguez, J.; and Diez, J. M., “Factors Controlling Cracking of Concrete Affected by Reinforcement Corrosion,” Materials and Structures, V. 31, No. 7, 1998, pp. 435-441. doi: 10.1007/BF02480466
3. François, R., and Castel, A., “Influences of Bending Crack and Water-Cement Ratio on Chloride-Induced Corrosion of Main Reinforcing Bars and Stirrups,” ACI Materials Journal, V. 98, No. 3, May-June 2001, pp. 276-278.
4. Castel, A.; Vidal, T.; François, R.; and Arliguie, G., “Influence of Steel-Concrete Interface Quality on Reinforcement Corrosion Induced by Chlorides,” Magazine of Concrete Research, V. 55, No. 2, 2003, pp. 151-159.
5. Vidal, T.; Castel, A.; and François, R., “Analyzing Crack Width to Predict Corrosion in Reinforced Concrete,” Cement and Concrete Research, V. 34, No. 1, 2004, pp. 165-174. doi: 10.1016/S0008-8846(03)00246-1
6. Zhang, R.; Castel, A.; and François, R., “Effect of Steel Corrosion Pattern on RC Beam Performance, Proceedings of Institution of Civil Engineers,” Construction Materials, V. 163, No. 2, 2010, pp. 97-108. doi: 10.1680/coma.2010.163.2.97
7. Khan, I.; François, R.; and Castel, A., “Mechanical Behavior of Long-Term Corroded Reinforced Concrete Beam,” RILEM Bookseries, V. 5, 2011, pp. 243-258.
8. Zhang, R.; Castel, A.; and François, R., “Serviceability Limit State Criteria Based on Steel-Concrete Bond Loss for Corroded Reinforced Concrete in Chloride Environment,” Materials and Structures, V. 42, No. 10, 2009, pp. 1407-1421.
9. Al-Sulaimani, G. J.; Kaleemullah, M.; and Basunbul, I. A., “Rasheeduzzafar, “Influence of Corrosion and Cracking on Bond Behaviour and Strength of Reinforced Concrete Members,” ACI Structural Journal, V. 87, No. 2, Mar.-Apr. 1990, pp. 220-231.
10. Almusallam, A. A.; Al-Gahtani, A. S.; Aziz, A. R.; and Rasheeduzzafar, “Effect of Reinforcement Corrosion on Bond Strength,” Construction and Building Materials, V. 10, No. 2, 1996, pp. 123-129. doi: 10.1016/0950-0618(95)00077-1
11. Fu, X., and Chung, D. L., “Effect of Corrosion on the Bond between Concrete and Steel Rebar,” Cement and Concrete Research, V. 27, No. 12, 1997, pp. 1811-1815. doi: 10.1016/S0008-8846(97)00172-5
12. Amleh, L., and Mirza, S., “Corrosion Influence on Bond between Steel and Concrete,” ACI Structural Journal, V. 96, No. 3, May-June 1999, pp. 415-423.
13. Mangat, P. S., and Elgarf, M. S., “Bond Characteristics of Corroding Reinforcement in Concrete Beams,” Materials and Structures, V. 32, No. 2, 1999, pp. 89-97. doi: 10.1007/BF02479434
14. Coronelli, D., “Corrosion Cracking and Bond Strength Modeling for Corroded Bars in Reinforced Concrete,” ACI Structural Journal, V. 99, No. 3, May-June 2002, pp. 267-276.
15. Wang, X.; Liu, X.; and Xila, L., “Bond Strength Modeling for Corroded Reinforcements,” Construction and Building Materials, V. 20, No. 3, 2006, pp. 177-186. doi: 10.1016/j.conbuildmat.2005.01.015
16. Bhargava, K.; Ghosh, A. K.; Mori, Y.; and Ramanujam, S., “Corrosion-Induced Bond Strength Degradation in Reinforced Concrete—Analytical and Empirical Models,” Nuclear Engineering and Design, V. 237, No. 11, 2007, pp. 1140-1157. doi: 10.1016/j.nucengdes.2007.01.010
17. Lundgren, K., “Modelling the Effect of Corrosion on Bond in Reinforced Concrete,” Magazine of Concrete Research, V. 54, No. 3, 2002, pp. 165-173. doi: 10.1680/macr.2002.54.3.165
18. Nepal, J.; Chen, H.-P.; and Alani, A. M., “Analytical Modelling of Bond Strength Degradation Due to Reinforcement Corrosion,” Key Engineering Materials, V. 569-570, 2013, pp. 1060-1067. doi: 10.4028/www.scientific.net/KEM.569-570.1060
19. Cabrera, J. G., “Deterioration of Concrete Due to Reinforcement Steel Corrosion,” Cement and Concrete Composites, V. 18, No. 1, 1996, pp. 47-59. doi: 10.1016/0958-9465(95)00043-7
20. Lee, H. S.; Noguchi, T.; and Tomosawa, F., “Evaluation of the Bond Properties between Concrete and Reinforcement as a Function of the Degree of Reinforcement Corrosion,” Cement and Concrete Research, V. 32, No. 8, 2002, pp. 1313-1318. doi: 10.1016/S0008-8846(02)00783-4
21. Chung, L.; Cho, S. H.; Kim, J. H. J.; and Yi, S. T., “Correction Factor Suggestion for ACI Development Length Provisions Based on Flexural Testing of RC Slabs with Various Levels of Corroded Reinforcing Bars,” Engineering Structures, V. 26, No. 8, 2004, pp. 1013-1026. doi: 10.1016/j.engstruct.2004.01.008
22. Stanish, K.; Hooton, R. D.; and Pantazopoulou, S. J., “Corrosion Effects on Bond Strength in Reinforced Concrete,” ACI Structural Journal, V. 96, No. 6, Nov.-Dec. 1999, pp. 915-921.
23. Yalcine, H.; Eren, O.; and Sensoy, S., “An Experimental Study on the Bond Strength between Reinforcement Bars and Concrete as a Function of Concrete Cover, Strength and Corrosion Level,” Cement and Concrete Research, V. 42, No. 5, 2012, pp. 643-655. doi: 10.1016/j.cemconres.2012.01.003
24. Yuan, Y.; Ji, Y.; and Shah, S. P., “Comparison of Two Accelerated Corrosion Techniques for Concrete Structures,” ACI Structural Journal, V. 104, No. 3, May-June 2007, pp. 344-347.
25. Otieno, M.; Beushausen, H.; and Alexander, M., “Prediction of Corrosion Rate in Reinforced Concrete Structures—A Critical Review and Preliminary Results,” Materials and Corrosion, V. 63, No. 9, 2012, pp. 777-790.
26. Coronelli, D.; Hanjari, K. Z.; Lundgren, K.; and Rossi, E., “Severely Corroded Reinforced Concrete with Cover Cracking: Part 1. Crack initiation and Propagation,” Modelling of Corroding Concrete Structures, RILEM Workshop, Madrid, Spain, 2010.
27. Hanjari, K. Z.; Coronelli, D.; and Lundgren, K., “Severely Corroded Reinforced Concrete with Cover Cracking: Part 2. Anchorage Capacity,” Modeling of Corroding Concrete Structures, RILEM Workshop, Madrid, Spain, 2010.
28. François, R.; Castel, A.; and Vidal, T., “A Finite Macro-Element for Corroded Reinforced Concrete,” Materials and Structures, V. 39, No. 5, 2006, pp. 571-584. doi: 10.1617/s11527-006-9096-x
29. Sajedi, S., and Huang. Q., “Probabilistic Prediction Model for Average Bond Strength at Steel-Concrete Interface Considering Corrosion Effect,” Engineering Structures, V. 2015, No. 99, 2015, pp. 120-131.
30. Fédération internationale du béton (fib), “fib Model Code for Concrete Structures,” fib Bulletin No. 65/66, Lausanne, Switzerland, 2012.
31. Zhao, Y.; Lin, H.; Wu, K.; and Jin, W., “Bond Behaviour of Normal/Recycled Concrete and Corroded Steel Bars,” Construction and Building Materials, V. 48, 2013, pp. 348-359. doi: 10.1016/j.conbuildmat.2013.06.091
32. Auyeung, Y.; Balaguru, P.; and Chung, L., “Bond Behavior of Corroded Reinforcement Bars,” ACI Materials Journal, V. 97, No. 2, Mar.-Apr. 2000, pp. 214-220.
33. Fang, C.; Lundgren, K.; Chen, L.; and Zhu, C., “Corrosion Influence on Bond in Reinforced Concrete,” Cement and Concrete Research, V. 34, No. 11, 2004, pp. 2159-2167. doi: 10.1016/j.cemconres.2004.04.006
34. Hanjari, K. Z.; Coronelli, D.; and Lundgren, K., “Bond Capacity of Severely Corroded Bars with Corroded Stirrups,” Magazine of Concrete Research, V. 63, No. 12, 2011, pp. 953-968. doi: 10.1680/macr.10.00200
35. Lin, H.; Zhao, Y.; and Sun, M., “Effects of Stirrups on Bond Behavior Between Concrete and Corroded Steel Bars,” 4th International Conference on the Durability of Concrete Structures, Purdue University, West Lafayette, IN, July 24-26, 2014, pp. 122-126.
36. Law, D. W.; Tang, D.; Molyneaux, T. K. C.; and Gravina, R., “Impact of Crack Width on Bond: Confined and Unconfined Rebar,” Materials and Structures, V. 44, No. 7, 2011, pp. 1287-1296. doi: 10.1617/s11527-010-9700-y
37. Khan, I.; François, R.; and Castel, A., “Prediction of Reinforcement Corrosion Using Corrosion Induced Cracks Width in Corroded Reinforced Concrete Beams,” Cement and Concrete Research, V. 2014, No. 56, 2014, pp. 84-96. doi: 10.1016/j.cemconres.2013.11.006
38. Tahershamsi, M.; Zandi, K.; Lundgren, K.; and Plos, M., “Anchorage of Naturally Corroded Bars in Reinforced Concrete Structures,” Magazine of Concrete Research, V. 66, No. 14, 2014, pp. 729-744. doi: 10.1680/macr.13.00276