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Effect of different values of pH of water on properties of fresh concrete and hardened concrete

Year : 2021

Mentors : Tejas Joshi

Students involved : 19BCL076 - Hetavi Patel, 19BCL082 - Krisee Patel , 19BCL118 - Foram Shah,

The project aims to investigate the effect of change in Ph of water on the different properties of cement and concrete. Under this project, test cubes, beams and cylinders of concrete will be made by using portable water, tap water, RO waste water, saline water and a combination of saline water and RO reject water. Testing of different properties like setting time, compression, tensile and flexural strength will be done on the components and their results will be compared.
As abstracted from literature, the use of RO reject water increases the strength of cement paste. It is expected that the strength of concrete will be increased when RO reject is used. The use of saline water for concreting may lead to effloresce due to excess amounts of salts, which may decrease the strength of concrete.