Reinforcing Bar Corrosion for Buildings Construction

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Reinforcing bar corrosion is a major cause of the degradation of reinforced concrete structures, because the high quantities of chloride de-icing salts used. In addition the increase in construction near coastal marine environments may increase the potential for corrosion deterioration in these areas. As a result, some structures of ordinary Portland cement concrete with carbon steel reinforcement are requiring repair and remediation long before their current specified service lives (typically 40-50 years) are reached [1]. Therefore, easier, faster and more reliable condition analysis techniques are required than those currently available to allow corrosion detection at an earlier stage and, thus, permit remedial action to be take before major repairs are required.

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219-223

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July 2015

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© 2015 Trans Tech Publications Ltd. All Rights Reserved

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