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International Journal of Engineering، جلد ۳۵، شماره ۲، صفحات ۳۲۷-۳۳۶
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عنوان انگلیسی An Experimental Investigation on Durability Properties of Reactive Powder Concrete
چکیده انگلیسی مقاله The durability of concrete subjected to an aggressive environment is a major issue faced by constructional engineers. Many researchers have tried to evaluate the durability characteristics of concrete against aggressive fluids. Amongst the fluids, compounds of sulphuric acid and chloride ions caused massive deterioration in concrete. Reactive powder concrete (RPC) is a type of ultra-high-strength cement composite. In the present study, an effort is made to assess durability properties of RPC. The RPC with compressive strengths 110, 120 and 130MPa have been produced. Acid immersion test, salt crystallization test and chloride ion penetration tests have been carried out to assess the degradation of concrete. Samples were exposed to sulphuric acid solutions over a period of 60 days with concentrations varying from 0.5-2%. The salt crystallization tests were carried out by immersing samples in 14% Na2SO4 solutions. Visual observations and deterioration in terms of mass and compressive strength reductions are recorded. The RPC showed high resistance towards the crystallization of salts. A significant amount of weight loss and strength loss was observed for the samples exposed to high concentrations of sulphuric acid. A negligible amount of chloride ion penetration was observed.
کلیدواژه‌های انگلیسی مقاله Acid Immersion Test,Durability,Rapid Chloride Penetration Test,Reactive powder Concrete,Salt Crystallization Test
نویسندگان مقاله A. A. Dhundasi |
Department of Civil Engineering, Basaveshwar Engineering College, Bagalkot, Affiliated to VTU, Belagavi, Karnataka, India

R. B. Khadiranaikar |
Department of Civil Engineering, Basaveshwar Engineering College, Bagalkot, Affiliated to VTU, Belagavi, Karnataka, India

A. A. Momin |
Department of Civil Engineering, BLDEA’s Vachana Pitamaha Dr. P.G Halakatti College of Engineering and Technology Vijayapur, Affiliated to VTU, Belagavi, Karnataka, India

K. Motagi |
Department of Civil Engineering, Basaveshwar Engineering College, Bagalkot, Affiliated to VTU, Belagavi, Karnataka, India

نشانی اینترنتی https://www.ije.ir/article_139918_f676fad4d1ff2bea886433de97711e34.pdf
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