Sodium Sulphate Effect on Cement Produced with Building Stone Waste

Table 1

Severity of sulphate content [5].

Severity of attack	Soluble sulphate in soil, wt. percent	Concentration in water, ppm
Mild	0.00–0.10	0 to 150
Moderate	0.10–0.20	150 to 1500
Severe	0.20–2.00	1500 to 10000
Very severe	2.00–more	10000 or more