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

Table 5

Comparison of tested results and predicted values.

Test type	Specimen no.	Porosity (%)	Elastic modulus (GPa)		Error (%)	Compressive strength (MPa)		Error (%)
			Tested	Predicted		Tested	Predicted
Static mechanical test	A10	8.926	9.19	9.00	2.07%	55.87	54.09	3.19%
	B10	6.132	9.73	9.79	0.62%	61.96	61.03	1.50%
	C10	8.213	9.32	9.15	1.82%	57.34	55.83	2.63%
Dynamic mechanical test	A11	9.013	16.12	16.94	5.09%	67.72	65.51	3.26%
	B11	6.086	25.03	24.38	2.60%	80.92	79.24	2.08%
	C11	8.092	18.87	18.04	4.40%	70.42	68.62	2.56%