Corrosion of RC Structures Under Severe Environmental Actions - Hussain, Raja R.;Ishida, T.;Neill, P. O.
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One of the great concerns in view of the durability of reinforced concrete is the corrosion of steel reinforcement in concrete. RC structures exposed to chloride and high temperature environments like sea, deicing salts, deserts and industrial zones suffer from accelerated corrosion of rebars. There is no doubt that the presence of chloride ions promote the disruption of the passive layer causing corrosion of reinforcement and the chloride attack becomes much more severe when coupled with high temperature. Therefore, to be able to forecast the service life of RC structures it is necessary to…mehr

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Produktbeschreibung
One of the great concerns in view of the durability of reinforced concrete is the corrosion of steel reinforcement in concrete. RC structures exposed to chloride and high temperature environments like sea, deicing salts, deserts and industrial zones suffer from accelerated corrosion of rebars. There is no doubt that the presence of chloride ions promote the disruption of the passive layer causing corrosion of reinforcement and the chloride attack becomes much more severe when coupled with high temperature. Therefore, to be able to forecast the service life of RC structures it is necessary to quantify the amount of corrosion. The chloride attack and increase in the electrochemical reaction rate of corrosion due to high temperature is an electrochemical thermodynamic phenomenon influenced by several factors and some of them are being overlooked in the past research works and have difference in opinion. Also it was found that the experimental data for the coupled effect of chloride and temperature on corrosion of reinforcement especially in the high temperature range and high chloride concentration is limited.
Autorenporträt
Dr. Raja Rizwan Hussain is Asst. Professor in King Saud University, KSA. He received his Ph.D and M.Sc in Civil Engineering from the University of Tokyo, Japan for which he was awarded medal and prize for best research thesis. He has received several awards, scholarships and distinctions throughout his research and academic career.