IJMTES – PERMEABILITY CHARACTERISTICS OF PHOSPHOGYPSUM BASED CONCRETE

Journal Title : International Journal of Modern Trends in Engineering and Science

Paper Title : PERMEABILITY CHARACTERISTICS OF PHOSPHOGYPSUM BASED CONCRETE

Author’s Name : Amitha Suresh | P Rajeshunnamed

Volume 04 Issue 04 2017

ISSN no :  2348-3121

Page no: 112-115

Abstract – The main objective of this study is been to evaluate the permeability of concrete with phosphogypsum as admixture by using the “Rapid chloride chloride ion permeability teat(RCPT)” with all specifications confirming to ASTMC 1202 to evaluate the permeability of concrete with phosphogysum as admixture a series of tests were planned and performed. Replacement of cement by phosphorgypsum as 0%, 10%, 20% and 30% for water / powder ratio 0.50 of M25 grade concrete for every mix 3 cubes of size 150mmX150mmX150mm and 6 cylinders of size 95mm diameter and 50mm height were casted. Cubes were tested at 28 days after casting and the statistical data presented. 3 cylinders were tested at 28 days after casting and remaining 3 cylinders were tested at 90 days after casting. Based on the amount of charge passed in coulombs, Chloride ion permeability of the concrete may be defined as high, moderate, low and very low. The statistical data of chloride ion permeability at 28 days and 90 days is presented.

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