The Sulphate Effect on Lijiaxia Concrete Dam (China) Gallery

Table 5

The saturation index (SI) of the groundwater from the three boreholes.

Location	CaCO3	CaSO4 : 2H2O	CaMg(CO3)2	Na2SO4	Na2SO4 : 10H2O	MgSO4 : 7H2O	K2SO4
BH1	1.60	−0.27	1.41	−9.30	−8.54	−7.70	−8.86
BH2	1.13	0.25	1.05	−6.55	−5.80	−6.59	−8.42
BH3	1.69	0.04	1.63	−6.94	−6.18	−7.36	−8.72