Case Studies | Challenge Journal of Concrete Research Letters

Cause of distress of an old building through analytical and micro‒analytical methods ‒ a case study

Rajappan Preetha, Kalpana Kumari, Balakrishnan Sakthi, Chandrasekharan Nair Harikumar, Haneef Ibrahim Abdul Gani

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The case study pertains to the methods such as nondestructive, semi-destructive, chemical, electrochemical and micro-analytical, utilized to assess the cause of cracking and spallation of a reinforced concrete building near to the eastern coastline of India. Cause of degradation of the structure is assessed to arrive at the appropriate repair methodology. From the analysis methods, direct cause of failure could not be attributed to a single cause since many factors co-exist such as structural cracking, carbonation and presence of chloride and the synergistic effect; hence concludes that an appropriate repair methodology has to be evolved to address each issue.


concrete; corrosion; reinforcement; chloride; carbonation

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