The Sulphate Effect on Lijiaxia Concrete Dam (China) Gallery

Table 1

The number and depth of the samples.

Number of borehole	Number of samples	Depth of the sample position
BH1	BH1-0	0
	BH1-1	0.45 m
	BH1-2	1.30 m
	BH1-3	3.25 m
	BH1-4	4.35 m
BH2	BH2-0	0
	BH2-1	0.40 m
	BH2-2	5.70 m
BH3	BH3-0	0
	BH3-1	0.60 m
	BH3-2	6.90 m