Sulphate resistant Sprayed Concrete

Sulphate resistant Sprayed Concrete

A sprayed concrete with a standard cement content of 400–450 kg/m³ has high sulphate resistance when it uses:

·     Cement combined with water reducer

·     a standard Portland cement combined with water reducer and added at > 5% or

·     a CEM III-S

Requirement: w/c < 0.50

Recommended mix design for wet sprayed concrete:

·     Granulometry                         0–8 mm

·     Cement content                        425 kg/m³