Corrosion Assessment of RC Deck in a Jetty Structure Damaged by Chloride Attack
Publication: Journal of Performance of Constructed Facilities
Volume 27, Issue 5
Abstract
The long-term behavior of concrete structures has shown that their main cause of distress is reinforcement corrosion. One of the most punishing exposure conditions for concrete is a marine environment such as that found in the Persian Gulf. Reinforcement corrosion from diffusion of chloride ions is the main mechanism for deterioration under such conditions; it is found that chloride penetration and chloride-induced reinforcement corrosion rates can be very high, often leading to a reduced service life. This paper presents results of a study performed on a 40-year-old RC jetty structure in the Mahshahr Petrochemical Special Zone, Persian Gulf region that had suffered extensive deterioration from chloride-induced corrosion. Based on visual inspection as well as in situ and laboratory tests, it was strongly evident that the structure had not been designed and built under sufficient qualitative specifications.
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Acknowledgments
The authors acknowledge the Hendese Pars Company for their financial support. We are also grateful for technical support from Construction Materials Institute (CMI) experts, especially Mr. Milad Hallaji and Ali Pour Zarrabi.
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Information
Published In
Journal of Performance of Constructed Facilities
Volume 27 • Issue 5 • October 2013
Pages: 519 - 528
Copyright
© 2013 American Society of Civil Engineers.
History
Received: Aug 20, 2011
Accepted: Apr 3, 2012
Published online: Apr 10, 2012
Published in print: Oct 1, 2013
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