Created on : December 2011 CASE STUDY CASE STUDY 7 Rehabilitation of Gurva Griha of Shree Jagannath Temple, Puri Till very recently, for the treatment of structural cracks in concrete, the most extensively used material was Epoxy Resin. In our over enthusiasm, we, the practicing engineers, sometimes use Epoxy Resins rather indiscriminately. Epoxy, no doubt, remains an excellent material to be used in repairs of concrete, but it definitely demands a thorough and extensive study of following aspects before choosing it for the rehabilitation measures : a) The difference in its co-efficient of thermal expansion in comparison to that of concrete (this requires restriction of the volume of epoxy inside a concrete structure); b) Its Heat Deflection Temperature (H.D.T) in comparison to the

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