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Effects of Sulphuric Acid in Mixing and Curing Water on Strength of High-Performance Phosphogypsum Concrete


Author(s):

E. Arunakanthi , JNTUACEA, Ananthapuramu, Andhra Pradesh, India; H. Sudarsana Rao, JNTUACEA, Ananthapuramu, Andhra Pradesh, India

Keywords:

Ordinary Portland cement, High-Performance concrete, Phosphogypsum, Compressive strength, Split tensile strength, Sulphuric acid

Abstract:

This paper presents the results of an experimental investigation carried out to study the effect of aggressive chemical environment on High performance concrete with phosphogypsum in which Ordinary Portland cement is partially replaced by 20% of phosphogypsum by weight and aggressive chemical environment is simulated by subjecting the concrete to different concentrations of Sulphuric acid (H2SO4) in deionised water during mixing and curing. Compressive strengths and split tensile strengths were determined at 7, 28 and 90 days. The results indicate that the compressive strength and split tensile strength decrease with the increase in concentration of Sulphuric acid when compared with concrete without Sulphuric acid in mixing and curing water.


Other Details:

Manuscript Id :IJSTEV2I8065
Published in :Volume : 2, Issue : 8
Publication Date: 01/03/2016
Page(s): 188-193
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