Compressive strength and corrosion evaluation of concretes containing pozzolana and perlite immersed in aggressive environments

A number of important properties of concrete such as compressive strength, corrosion resistance, chloride penetration, sulphate resistance have been developed and noted here. The results obtained show that 10% and 20% of natural pozzolan improves the mechanical properties, and it is noted that 10% of the replacement of the cement by pozzolan and 10% of the perlite led to a reduction of the speed of NaCl corrosion. A larger replacement of pozzolan and perlite had a negative effect on corrosion. Finally, it should be noted that sulfate ions did not affect the corrosion.