Effect on the Resistance of Concrete Acid Corrosion in Superficial Soil Layers

Table 3

The compressive strengths of corrosion concrete with various temperatures.

Container number	Sample number	Temperature (°C)	(%)	Compressive strength (MPa)		Corrosion index K (%)
				30 days	90 days	30 days	90 days
L-1	6	5	0	23.73	26.34	0	0
L-2	6	20	0	29.59	30.19	0	0
L-3	6	40	0	38.24	38.92	0	0
L-4	6	5	5	20.07	21.89	15.42	16.89
L-5	6	20	5	22.91	21.87	22.57	27.56
L-6	6	40	5	28.84	23.66	24.58	39.20
L-7	6	5	10	18.31	19.87	22.84	24.56
L-8	6	20	10	20.32	20.12	31.33	33.35
L-9	6	40	10	20.95	21.07	45.21	45.86