Influence of Chemical Corrosion on Pore Structure and Mechanical Properties of Sandstone

Table 3

Static uniaxial compression test results for specimens with different chemical solutions.

Specimen group	Number	Static UCS/MPa		Static elastic modulus (GPa)
		Tested	Average	Tested	Average
H2SO4	A7	52.67	51.37	8.76	8.76
	A8	51.15		8.70
	A9	50.28		8.82
Distilled water	B7	61.14	61.04	9.73	9.68
	B8	61.62		9.70
	B9	60.37		9.60
NaOH	C7	51.13	52.53	9.12	9.06
	C8	52.82		9.00
	C9	53.65		9.05
Natural	D7	63.86	63.36	10.45	10.34
	D8	63.43		10.30
	D9	62.79		10.28