Permeability Evolution and Particle Size Distribution of Saturated Crushed Sandstone under Compression

Table 5

The values of those measured parameters to calculate porosity.

Specimen; number	(g)	(kg/m^3)	(mm^2)		Specimen height (h) under variable axial stresses (mm)
					0 MPa	2 MPa	4 MPa	8 MPa	12 MPa	16 MPa
	1541	2518	7850	0.2	133.3	112.9	103.5	96.8	93.6	91.9
	1541	2518	7850	0.4	134.9	114.1	104.5	97.6	94.2	92.2
	1541	2518	7850	0.6	137.3	115.7	105.6	98.2	95.0	92.6
	1541	2518	7850	0.8	141.6	119.2	108.9	99.5	96.0	93.2