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Mathematical Problems in Engineering
Volume 2013 (2013), Article ID 953930, 14 pages
http://dx.doi.org/10.1155/2013/953930
Review Article

Review of Physical Based Monitoring Techniques for Condition Assessment of Corrosion in Reinforced Concrete

1Department of Civil Engineering, Xiamen University, Xiamen 361005, China
2Department of Mechanical & Electrical Engineering, Xiamen University, Xiamen 361005, China

Received 30 October 2013; Revised 6 December 2013; Accepted 7 December 2013

Academic Editor: Ting-Hua Yi

Copyright © 2013 Ying Lei and Zhu-Peng Zheng. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Linked References

  1. J. P. Broomfield, Corrosion of Steel in Concrete: Understanding, Investigation and Repair, Taylor & Francis, New York, NY, USA, 2nd edition, 2007.
  2. S. Sharma and A. Mukherjee, “Nondestructive evaluation of corrosion in varying environments using guided waves,” Research in Nondestructive Evaluation, vol. 24, no. 2, pp. 63–88, 2013. View at Publisher · View at Google Scholar
  3. H. S. Shang, T. H. Yi, and Y. P. Song, “Behavior of plain concrete of a high water-cement ratio after freeze-thaw cycles,” Materials, vol. 5, no. 9, pp. 1698–1707, 2012. View at Publisher · View at Google Scholar
  4. H.-S. Shang, T.-H. Yi, and L.-S. Yang, “Experimental study on the compressive strength of big mobility concrete with nondestructive testing method,” Advances in Materials Science and Engineering, vol. 2012, Article ID 345214, 6 pages, 2012. View at Publisher · View at Google Scholar
  5. P. Matt, “Non-destructive evaluationand monitoring of post-tensioning tendons,” fib Bull. 15: Durability of post-tensioning tendon, pp. 100–108, 2001.
  6. R. W. Griffiths and G. W. Nelson, “Recent and current developments in distributed fiber optic sensing for structural monitoring,” in Fiber Optic and Laser Sensors VI, vol. 985 of Proceedings of SPIE, pp. 69–76, San Diego, Calif, USA, 1989. View at Publisher · View at Google Scholar
  7. J. L. Rose, Ultrasonic Waves in Solid Media, Cambridge University Press, Cambridge, UK, 1999.
  8. J. L. Rose, “Dispersion curves in guided wave testing,” Materials Evaluation, vol. 61, no. 1, pp. 20–22, 2003. View at Google Scholar · View at Scopus
  9. J. D. Achenbach, Wave Propagation in Elastic Solids, vol. 16 of North-Holland Series in Applied Mathematics and Mechanics, North-Holland, New York, NY, USA, 1984.
  10. J. Miklowitz, The Theory of Elastic Waves and Waveguides, vol. 22 of North-Holland Series in Applied Mathematics and Mechanics, North-Holland, New York, NY, USA, 1978. View at MathSciNet
  11. C. S. Kino, Acoustic Waves: Devices, Imaging and Digital Signal Processing, Prentice Hall, Upper Saddle River, NJ, USA, 1987.
  12. B. A. Auld, Acoustic Fields and Waves in Solids, vol. 2, Kreiger Publishing, Malabar, Fla, USA, 2nd edition, 1990.
  13. K. F. Graff, Wave Motion in Elastic Solids, Dover Publications, New York, NY, USA, 1991.
  14. A. H. Nayfeh, Wave Propagation in Layered Anisotropic Media with Applications to Composites, vol. 39 of North-Holland Series in Applied Mathematics and Mechanics, North-Holland, Amsterdam, The Netherlands, 1995. View at MathSciNet
  15. J. L. Rose, “A baseline and vision of ultrasonic guided wave inspection potential,” Journal of Pressure Vessel Technology, vol. 124, no. 3, pp. 273–282, 2002. View at Publisher · View at Google Scholar · View at Scopus
  16. Z. P. Zheng, Y. Lei, X. P. Cui, and Y. Song, “Non-destructive test of the steel bar by using piezoceramics sheets,” in Proceedings of the 3rd International Conference on Advanced Measurement and Test, Xiamen, China, March 2013.
  17. T. R. Hay and J. L. Rose, “Interfacing guided-wave ultrasound with wireless technology,” in Smart Structures and Materials—Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems, vol. 5391 of Proceedings of SPIE, pp. 314–320, San Diego, Calif, USA, March 2004. View at Publisher · View at Google Scholar · View at Scopus
  18. H. Sohn, D. Dutta, J. Y. Yang et al., “Delamination detection in composites through guided wave field image processing,” Composites Science and Technology, vol. 71, no. 9, pp. 1250–1256, 2011. View at Publisher · View at Google Scholar · View at Scopus
  19. G. Song, Y. L. Mo, K. Otero, and H. Gu, “Health monitoring and rehabilitation of a concrete structure using intelligent materials,” Smart Materials and Structures, vol. 15, no. 2, pp. 309–314, 2006. View at Publisher · View at Google Scholar · View at Scopus
  20. R. L. Wang, H. Gu, Y. L. Mo, and G. Song, “Proof-of-concept experimental study of damage detection of concrete piles using embedded piezoceramic transducers,” Smart Materials and Structures, vol. 22, no. 4, Article ID 042001, 2013. View at Publisher · View at Google Scholar
  21. F. Schöpfer, F. Binder, A. Wöstehoff, and T. Schuster, “A mathematical analysis of the strip-element method for the computation of dispersion curves of guided waves in anisotropic layered media,” Mathematical Problems in Engineering, vol. 2010, Article ID 924504, 17 pages, 2010. View at Publisher · View at Google Scholar · View at Zentralblatt MATH
  22. L. De Marchi, E. Baravelli, G. Cera, N. Speciale, and A. Marzani, “Warped Wigner-Hough transform for defect reflection enhancement in ultrasonic guided wave monitoring,” Mathematical Problems in Engineering, vol. 2012, Article ID 358128, 15 pages, 2012. View at Publisher · View at Google Scholar · View at Zentralblatt MATH · View at MathSciNet
  23. V. Giurgiutiu, “Lamb wave generation with piezoelectric wafer active sensors for structural health monitoring,” in Smart Structures and Materials: Smart Structures and Integrated Systems, vol. 5056 of Proceedings of SPIE, pp. 111–122, San Diego, Calif, USA, March 2003. View at Publisher · View at Google Scholar · View at Scopus
  24. X. Q. Zhu, H. Hao, and K. Q. Fan, “Detection of delamination between steel bars and concrete using embedded piezoelectric actuators/sensors,” Journal of Civil Structural Health Monitoring, vol. 3, no. 2, pp. 105–115, 2013. View at Publisher · View at Google Scholar
  25. X. Wang, P. W. Tse, C. K. Mechefske, and M. Hua, “Experimental investigation of reflection in guided wave-based inspection for the characterization of pipeline defects,” NDT & E International, vol. 43, no. 4, pp. 365–374, 2010. View at Publisher · View at Google Scholar · View at Scopus
  26. S. Iyer, S. K. Sinha, M. K. Pedrick, and B. R. Tittmann, “Evaluation of ultrasonic inspection and imaging systems for concrete pipes,” Automation in Construction, vol. 22, pp. 149–164, 2012. View at Publisher · View at Google Scholar · View at Scopus
  27. A. C. Cobb, H. Kwun, L. Caseres, and G. Janega, “Torsional guided wave attenuation in piping from coating, temperature, and large-area corrosion,” NDT & E International, vol. 47, pp. 163–170, 2012. View at Publisher · View at Google Scholar · View at Scopus
  28. H.-J. Salzburger, F. Niese, and G. Dobmann, “Emat pipe inspection with guided waves,” Welding in the World, vol. 56, no. 5-6, pp. 35–43, 2012. View at Publisher · View at Google Scholar
  29. R. Ahmad and T. Kundu, “Influence of water flow through pipe networks for damage detection using guided waves,” in Nondestructive Testing of Materials and Structures, vol. 6 of RILEM Bookseries, pp. 681–687, Springer, Amsterdam, The Netherlands, 2013. View at Publisher · View at Google Scholar
  30. M. D. Beard, M. J. S. Lowe, and P. Cawley, “Inspection of steel tendons in concrete using guided waves,” in AIP Conference Proceedings, vol. 22 of Review of Quantitative Nondestructive Evaluation, pp. 1139–1147, Bellingham, Wash, USA, July 2003.
  31. X. Zhu, P. Rizzo, A. Marzani, and J. Bruck, “Ultrasonic guided waves for nondestructive evaluation/structural health monitoring of trusses,” Measurement Science and Technology, vol. 21, no. 4, Article ID 045701, 2010. View at Publisher · View at Google Scholar · View at Scopus
  32. G. Huang, F. Song, and X. Wang, “Quantitative modeling of coupled piezo-elastodynamic behavior of piezoelectric actuators bonded to an elastic medium for structural health monitoring: a review,” Sensors, vol. 10, no. 4, pp. 3681–3702, 2010. View at Publisher · View at Google Scholar · View at Scopus
  33. T. H. Miller, T. Kundu, J. Huang, and J. Y. Grill, “A new guided wave—based technique for corrosion monitoring in reinforced concrete,” Structural Health Monitoring, vol. 12, no. 1, pp. 35–47, 2013. View at Publisher · View at Google Scholar
  34. W.-B. Na, T. Kundu, and M. R. Ehsani, “Ultrasonic guided waves for steel bar concrete interface testing,” Materials Evaluation, vol. 60, no. 3, pp. 437–444, 2002. View at Google Scholar · View at Scopus
  35. W.-B. Na, T. Kundu, and M. R. Ehsani, “Lamb waves for detecting delamination between steel bars and concrete,” Computer-Aided Civil and Infrastructure Engineering, vol. 18, no. 1, pp. 58–63, 2003. View at Google Scholar · View at Scopus
  36. W.-B. Na, T. Kundu, and M. R. Ehsani, “A comparison of steel/concrete and glass fiber reinforced polymers/concrete interface testing by guided waves,” Materials Evaluation, vol. 61, no. 2, pp. 155–161, 2003. View at Google Scholar · View at Scopus
  37. H. Reis, B. L. Ervin, D. A. Kuchma, and J. T. Bernhard, “Estimation of corrosion damage in steel reinforced mortar using guided waves,” Journal of Pressure Vessel Technology, vol. 127, no. 3, pp. 255–261, 2005. View at Publisher · View at Google Scholar · View at Scopus
  38. F. Wu and F.-K. Chang, “Debond detection using embedded piezoelectric elements in reinforced concrete structures—part I: experiment,” Structural Health Monitoring, vol. 5, no. 1, pp. 5–15, 2006. View at Publisher · View at Google Scholar · View at Scopus
  39. F. Wu and F.-K. Chang, “Debond detection using embedded piezoelectric elements for reinforced concrete structures—part II: analysis and algorithm,” Structural Health Monitoring, vol. 5, no. 1, pp. 17–28, 2006. View at Publisher · View at Google Scholar · View at Scopus
  40. C. He, J. K. van Velsor, C. M. Lee, and J. L. Rose, “Health monitoring of rock bolts using ultrasonic guided waves,” in AIP Conference Proceedings, Quantitative Nondestructive Evaluation, pp. 195–201, Reston, Va, USA, 2006. View at Publisher · View at Google Scholar
  41. D. Li, T. Ruan, and J. Yuan, “Inspection of reinforced concrete interface delamination using ultrasonic guided wave non-destructive test technique,” Science China Technological Sciences, vol. 55, no. 10, pp. 2893–2901, 2012. View at Publisher · View at Google Scholar · View at Scopus
  42. B. L. Ervin and H. Reis, “Longitudinal guided waves for monitoring corrosion in reinforced mortar,” Measurement Science and Technology, vol. 19, no. 5, Article ID 055702, 2008. View at Publisher · View at Google Scholar · View at Scopus
  43. B. L. Ervin, D. A. Kuchma, J. T. Bernhard, and H. Reis, “Monitoring corrosion of rebar embedded in mortar using high-frequency guided ultrasonic waves,” Journal of Engineering Mechanics, vol. 135, no. 1, pp. 9–19, 2009. View at Publisher · View at Google Scholar · View at Scopus
  44. Y. Wang, X. Zhu, H. Hao, and J. Ou, “Guided wave propagation and spectral element method for debonding damage assessment in RC structures,” Journal of Sound and Vibration, vol. 324, no. 3–5, pp. 751–772, 2009. View at Publisher · View at Google Scholar · View at Scopus
  45. Y. Lu, J. C. Li, L. Ye, and D. Wang, “Guided waves for damage detection in rebar-reinforced concrete beams,” Construction and Building Materials, vol. 47, pp. 370–378, 2013. View at Publisher · View at Google Scholar
  46. A. Valor, F. Caleyo, L. Alfonso, J. C. Velázquez, and J. M. Hallen, “Markov chain models for the stochastic modeling of pitting corrosion,” Mathematical Problems in Engineering, vol. 2013, Article ID 108386, 13 pages, 2013. View at Publisher · View at Google Scholar · View at MathSciNet
  47. S. Sharma and A. Mukherjee, “Longitudinal guided waves for monitoring chloride corrosion in reinforcing bars in concrete,” Structural Health Monitoring, vol. 9, no. 6, pp. 555–567, 2010. View at Publisher · View at Google Scholar · View at Scopus
  48. B. N. Pavlakovic, M. J. S. Lowe, and P. Cawley, “High-frequency low-loss ultrasonic modes in imbedded bars,” Journal of Applied Mechanics, vol. 68, no. 1, pp. 67–75, 2001. View at Google Scholar · View at Zentralblatt MATH · View at Scopus
  49. F. L. di Scalea, P. Rizzo, and F. Seible, “Stress measurement and defect detection in steel strands by guided stress waves,” Journal of Materials in Civil Engineering, vol. 15, no. 3, pp. 219–227, 2003. View at Publisher · View at Google Scholar · View at Scopus
  50. D. Dai and Q. He, “Structure damage localization with ultrasonic guided waves based on a time-frequency method,” Signal Processing, vol. 96, pp. 21–28, 2014. View at Publisher · View at Google Scholar
  51. L. Gaul, H. Sprenger, C. Schaal, and S. Bischoff, “Structural health monitoring of cylindrical structures using guided ultrasonic waves,” Acta Mechanica, vol. 223, no. 8, pp. 1669–1680, 2012. View at Publisher · View at Google Scholar · View at Zentralblatt MATH · View at Scopus
  52. T. Miller, C. J. Hauser, and T. Kundu, “Nondestructive inspection of corrosion and delamination at the concrete-steel reinforcement interface,” in Proceedings of the ASME International Mechanical Engineering Congress and Exposition, pp. 121–128, New Orleans, La, USA, November 2002. View at Publisher · View at Google Scholar · View at Scopus
  53. P. A. Gaydeck, F. M. Burdekin, W. Damaj, D. G. John, and P. A. Payne, “Digital deconvolution analysis of ultrasonic signals influenced by the presence of longitudinally aligned steel cables in pre-stressed concrete,” Measurement Science and Technology, vol. 3, no. 9, article 909, pp. 909–917, 1992. View at Publisher · View at Google Scholar · View at Scopus
  54. S. Sharma and A. Mukherjee, “Monitoring corrosion in oxide and chloride environments using ultrasonic guided waves,” Journal of Materials in Civil Engineering, vol. 23, no. 2, pp. 207–211, 2011. View at Publisher · View at Google Scholar · View at Scopus
  55. B. L. Ervin, J. T. Bernhard, D. A. Kuchma, and H. Reis, “Estimation of corrosion damage to steel reinforced mortar using frequency sweeps of guided mechanical waves,” in Smart Structures and Materials—Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems, vol. 6174 of Proceedings of SPIE, pp. 1–12, San Diego, Calif, USA, 2006. View at Publisher · View at Google Scholar · View at Scopus
  56. B. L. Ervin, J. T. Bernhard, D. A. Kuchma, and H. Reis, “Estimation of general corrosion damage to steel reinforced mortar using frequency sweeps of guided mechanical waves,” Insight, vol. 48, no. 11, pp. 682–692, 2006. View at Publisher · View at Google Scholar · View at Scopus
  57. T. Kundu, S. Banerjee, and K. V. Jata, “An experimental investigation of guided wave propagation in corrugated plates showing stop bands and pass bands,” Journal of the Acoustical Society of America, vol. 120, no. 3, pp. 1217–1226, 2006. View at Publisher · View at Google Scholar · View at Scopus
  58. Q. M. Hou, L. Ren, W. Jiao, P. H. Zou, and G. B. Song, “An improved negative pressure wave method for natural gas pipeline leak location using FBG based strain sensor and wavelet transform,” Mathematical Problems in Engineering, vol. 2013, Article ID 278794, 8 pages, 2013. View at Publisher · View at Google Scholar
  59. M. Majumder, T. K. Gangopadhyay, A. K. Chakraborty, K. Dasgupta, and D. K. Bhattacharya, “Fibre Bragg gratings in structural health monitoring—present status and applications,” Sensors and Actuators A, vol. 147, no. 1, pp. 150–164, 2008. View at Publisher · View at Google Scholar · View at Scopus
  60. J.-R. Lee, C.-Y. Yun, and D.-J. Yoon, “A structural corrosion-monitoring sensor based on a pair of prestrained fiber Bragg gratings,” Measurement Science and Technology, vol. 21, no. 1, Article ID 017002, 2010. View at Publisher · View at Google Scholar
  61. J. Gao, J. Wu, J. Li, and X. Zhao, “Monitoring of corrosion in reinforced concrete structure using Bragg grating sensing,” NDT & E International, vol. 44, no. 2, pp. 202–205, 2011. View at Publisher · View at Google Scholar · View at Scopus
  62. M. R. Abu Hassan, M. H. Abu Bakar, K. Dambul, and F. R. Adikan, “Optical-based sensors for monitoring corrosion of reinforcement rebar via an etched cladding Bragg grating,” Sensors, vol. 12, no. 11, pp. 15820–15826, 2012. View at Publisher · View at Google Scholar
  63. W. Chen and X. Dong, “Modification of the wavelength-strain coefficient of FBG for the prediction of steel bar corrosion embedded in concrete,” Optical Fiber Technology, vol. 18, no. 1, pp. 47–50, 2012. View at Publisher · View at Google Scholar · View at MathSciNet · View at Scopus
  64. S. Ali-Alvarez, P. Ferdinand, S. Magne, and R. P. Nogueira, “Corrosion detection and evolution monitoring in reinforced concrete structures by the use of fiber Bragg grating sensor,” in Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems, vol. 8692 of Proceedings of SPIE, San Diego, Calif, USA, April 2013. View at Publisher · View at Google Scholar
  65. C. J. Pacheco and A. C. Bruno, “A noncontact force sensor based on a fiber Bragg grating and its application for corrosion measurement,” Sensors, vol. 13, no. 9, pp. 11476–11489, 2013. View at Publisher · View at Google Scholar
  66. Y. Huang, Z. Gao, G. Chen, and H. Xiao, “Long period fiber grating sensors coated with nano iron/silica particles for corrosion monitoring,” Smart Materials and Structures, vol. 22, no. 7, Article ID 075018, 2013. View at Publisher · View at Google Scholar
  67. Z. Zheng, X. Sun, and Y. Lei, “Monitoring corrosion of reinforcement in concrete structures via fiber Bragg grating sensors,” Frontiers of Mechanical Engineering in China, vol. 4, no. 3, pp. 316–319, 2009. View at Publisher · View at Google Scholar · View at Scopus
  68. Z. Zheng, Y. Lei, and X. Sun, “Measuring corrosion of steels in concrete via fiber Bragg grating sensors—lab experimental test and in-field application,” in Proceedings of the Earth and Space Conference, pp. 2422–2430, Honolulu, Hawaii, USA, March 2010. View at Publisher · View at Google Scholar · View at Scopus
  69. J.-P. Cai and S. B. Lyon, “A mechanistic study of initial atmospheric corrosion kinetics using electrical resistance sensors,” Corrosion Science, vol. 47, no. 12, pp. 2956–2973, 2005. View at Publisher · View at Google Scholar · View at Scopus
  70. A. A. Sagüés and M. T. Walsh, “Kelvin Probe electrode for contactless potential measurement on concrete—properties and corrosion profiling application,” Corrosion Science, vol. 56, pp. 26–35, 2012. View at Publisher · View at Google Scholar · View at Scopus
  71. A. Legat, M. Leban, and Ž. Bajt, “Corrosion processes of steel in concrete characterized by means of electrochemical noise,” Electrochimica Acta, vol. 49, no. 17-18, pp. 2741–2751, 2004. View at Publisher · View at Google Scholar · View at Scopus
  72. A. Česen, T. Kosec, and A. Legat, “Characterization of steel corrosion in mortar by various electrochemical and physical techniques,” Corrosion Science, vol. 75, pp. 47–57, 2013. View at Publisher · View at Google Scholar
  73. A. Michel, B. J. Pease, M. R. Geiker, H. Stang, and J. F. Olesen, “Monitoring reinforcement corrosion and corrosion-induced cracking using non-destructive X-ray attenuation measurements,” Cement and Concrete Research, vol. 41, no. 11, pp. 1085–1094, 2011. View at Publisher · View at Google Scholar · View at Scopus
  74. B. Ingham, M. Ko, N. Laycock et al., “In situ synchrotron X-ray diffraction study of scale formation during CO2 corrosion of carbon steel in sodium and magnesium chloride solutions,” Corrosion Science, vol. 56, pp. 96–104, 2012. View at Publisher · View at Google Scholar · View at Scopus
  75. J. Wei, X. X. Fu, J. H. Dong, and W. Ke, “Corrosion evolution of reinforcing steel in concrete under dry/wet cyclic conditions contaminated with chloride,” Journal of Materials Science & Technology, vol. 28, no. 10, pp. 905–912, 2012. View at Publisher · View at Google Scholar
  76. M. Outirite, M. Lagrenée, M. Lebrini et al., “Ac impedance, X-ray photoelectron spectroscopy and density functional theory studies of 3,5-bis(n-pyridyl)-1,2,4-oxadiazoles as efficient corrosion inhibitors for carbon steel surface in hydrochloric acid solution,” Electrochimica Acta, vol. 55, no. 5, pp. 1670–1681, 2010. View at Publisher · View at Google Scholar · View at Scopus
  77. B. Fernandes, M. Titus, D. K. Nims, A. Ghorbanpoor, and V. K. Devabhaktunia, “Practical assessment of magnetic methods for corrosion detection in an adjacent precast, prestressed concrete box-beam bridge,” Nondestructive Testing and Evaluation, vol. 28, no. 2, pp. 99–118, 2012. View at Google Scholar
  78. Y. Dost, N. Apaydın, E. Dedeoğlu, D. K. MacKenzie, and O. Z. Akkol, “Non-destructive testing of Bosphorus bridges,” in Nondestructive Testing of Materials and Structures, vol. 6 of RILEM Bookseries, pp. 819–825, 2013. View at Publisher · View at Google Scholar
  79. L. Jones, S. Pessiki, C. Naito, and I. Hodgson, “Inspection methods & techniques to determine non visible corrosion of prestressing strands in concrete bridge components task 2—assessment of candidate NDT methods,” Transportation Research Board of the National Academies, 2010, http://trid.trb.org/.
  80. B. Fernandes, M. Titus, D. K. Nims, A. Ghorbanpoor, and V. Devabhaktuni, “Field test of magnetic methods for corrosion detection in prestressing strands in adjacent box-beam bridges,” Journal of Bridge Engineering, vol. 17, no. 6, pp. 984–988, 2012. View at Publisher · View at Google Scholar
  81. K. Yuma, W. Tomoyo, K. Tomoe, and O. Masayasu, “Corrosion mechanisms in reinforced concrete by acoustic emission,” Construction and Building Materials, vol. 48, pp. 1240–1247, 2013. View at Publisher · View at Google Scholar
  82. M. Ohtsu, K. Mori, and Y. Kawasaki, “Corrosion process and mechanisms of corrosion-induced cracks in reinforced concrete identified by AE analysis,” Strain, vol. 47, no. 2, pp. 179–186, 2011. View at Publisher · View at Google Scholar · View at Scopus
  83. L. Calabrese, G. Campanella, and E. Proverbio, “Noise removal by cluster analysis after long time AE corrosion monitoring of steel reinforcement in concrete,” Construction and Building Materials, vol. 34, pp. 362–371, 2012. View at Publisher · View at Google Scholar · View at Scopus
  84. L. Calabres, G. Campanella, and E. Proverbio, “Identification of corrosion mechanisms by univariate and multivariate statistical analysis during long term acoustic emission monitoring on a pre-stressed concrete beam,” Corrosion Science, vol. 73, pp. 161–171, 2013. View at Publisher · View at Google Scholar
  85. H. A. Elfergani, R. Pullin, and K. M. Holford, “Damage assessment of corrosion in prestressed concrete by acoustic emission,” Construction and Building Materials, vol. 40, pp. 925–933, 2013. View at Publisher · View at Google Scholar
  86. M. di Benedetti, G. Loreto, F. Matta, and A. Nanni, “Acoustic emission monitoring of reinforced concrete under accelerated corrosion,” Journal of Materials in Civil Engineering, vol. 25, no. 8, pp. 1022–1029, 2013. View at Google Scholar