Question

Which chemical is used to protect the stone from sulphate attack?

Answer 1

$\huge\mathbb\red{HEY\:THERE}$

It is generally known that addition of pozzolan reduces the calcium hydroxide in cement paste and improves the permeability of concrete. This helps to increase the resistance of concrete to the sulphate attack and other harmful solutions [6, 9].

Answer 2

$\huge{Answer}$

It is generally known that addition of pozzolan reduces the calcium hydroxide in cement paste and improves the permeability of concrete. This helps to increase the resistance of concrete to the sulphate attack and other harmful solutions [6, 9].