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An Experimental Investigation on Durability Properties of Reactive Powder Concrete

ماهنامه بین المللی مهندسی، دوره: 35، شماره: 2
Year: 1401
COI: JR_IJE-35-2_008
Language: EnglishView: 42
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Abbas Dhundasi - Research scholar, Dept. Civil Engineering, Basaveshwara Engineering College, Bagalkot, Karnataka, India
Rajesab Khadirnaikar - Department of Civil Engineering, Basaveshwar Engineering College, Bagalkot, Karnataka, India
Kashinath Motagi - Dept. Civil Engineering, Basaveshwara Engineering College, Bagalkot, Karnataka, India
Asif Momin - Department of Civil Engineering, BLDEA Vachana Pitamaha Dr. P.G. Halakatti College of Engineering and Technology, Vijayapur, Karnataka State, India


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 chlorides cause 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 ۱۱۰MPa, ۱۲۰MPa and ۱۳۰MPa have been produced. Acid immersion test, salt crystallization test and chloride ion penetration tests have been carried out to assess the degradation of concrete. The samples are exposed to sulphuric acid solutions over a period of ۶۰ days with concentrations varying from ۰.۵% - ۲%. The salt crystallization tests were carried out by immersing samples in ۱۴% Na۲SO۴ solutions. Visual observations and deterioration in terms of mass and compressive strength reductions are recorded. The RPC shows higher resistance towards the crystallization of salts. A significant amount of weight loss and strength loss is observed for the samples exposed to higher concentrations of sulphuric acid. A negligible amount of chloride ion penetration is observed.


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Dhundasi, Abbas and Khadirnaikar, Rajesab and Motagi, Kashinath and Momin, Asif,1401,An Experimental Investigation on Durability Properties of Reactive Powder Concrete,

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