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Influence of fine ceramic aggregates on the residual properties of concrete subjected to elevated temperature
Authors:Deepak Rajawat  Salman Siddique  Sandeep Shrivastava  Sandeep Chaudhary  Trilok Gupta
Affiliation:1. Department of Civil Engineering, Malaviya National Institute of Technology Jaipur, Rajasthan, India;2. Discipline of Civil Engineering, Indian Institute of Technology Indore, Indore, India;3. Department of Civil Engineering, College of Technology and Engineering, MPUAT, Udaipur, Rajasthan, India
Abstract:The residual properties of concrete subjected to elevated temperature are of importance to assess the stability of the structure. This paper investigates the performance of concrete containing white ware ceramic sand exposed to elevated temperature. Concrete mixes containing 0%, 50%, and 100% ceramic sand were prepared. The specimen were exposed to elevated temperatures of 200°C, 500°C, and 800°C for a duration of 60 minutes. Their residual mechanical properties (compressive strength, split tensile strength), ultra sonic pulse velocity, and mass change for different cooling regimes were investigated and compared among specimen. The results showed that incorporation of ceramic sand in concrete mixes improved the resistance against elevated temperature of hardened concrete.
Keywords:ceramic sand  concrete  elevated temperature  mechanical properties
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