The Sulphate Effect on Lijiaxia Concrete Dam (China) Gallery

Table 2

The basic element compositions of the concrete samples from boreholes.

Number	LOI	Chemical compositions (%)
		SiO2	Al2O3	CaO	Fe2O3	K2O	SO3	Na2O	MgO	TiO2	MnO	Cl
BH1-1	12.80	42.66	11.06	22.72	4.22	1.42	1.07	1.13	2.10	0.45	0.07	0.02
BH1-2	11.17	44.34	12.28	19.29	4.82	2.19	0.72	1.24	3.05	0.51	0.08	0.02
BH1-3	11.34	42.86	11.56	21.20	5.20	1.81	0.89	1.41	2.81	0.52	0.09	0.02
BH1-4	5.54	53.92	13.16	11.06	6.37	3.39	0.47	1.57	3.36	0.75	0.11	0.02
BH2-1	17.02	34.69	7.45	31.43	3.19	1.13	1.72	0.86	1.76	0.31	0.05	0.14
BH2-2	12.26	43.33	11.70	21.42	3.90	2.18	1.15	1.38	1.91	0.41	0.06	0.04
BH3-1	9.73	50.25	13.93	13.30	5.01	2.14	0.54	1.66	2.47	0.57	0.09	0.01
BH3-2	10.06	47.94	12.78	15.91	4.68	1.94	0.69	1.51	3.58	0.50	0.09	0.03
Average	11.24	45.00	11.74	19.54	4.67	2.03	0.91	1.35	2.63	0.50	0.08	0.04