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

Table 4

Dynamic compression test results for specimens with different chemical solutions.

Specimen group	Number	Strength (MPa)		Dynamic elastic modulus (GPa)
		Tested	Average	Tested	Average
H2SO4	A4	61.26	60.08	15.26	15.15
	A5	60.74		15.14
	A6	58.25		15.06
Distilled water	B4	78.63	77.42	23.17	23.16
	B5	77.07		23
	B6	76.57		23.31
NaOH	C4	66.03	65.03	17.53	17.29
	C5	64.95		17.22
	C6	64.12		17.12
Natural	D4	87.03	85.79	30.66	30.77
	D5	85.2		30.89
	D6	85.14		30.75