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

Table 3

Fractal dimension of the particle size distribution under variable axial stresses.

Specimen number	Talbot exponent ()	Fractal dimension () under variable axial stresses
		0 MPa	2 MPa	4 MPa	8 MPa	12 MPa	16 MPa
	0.2	2.098	2.242	2.339	2.403	2.458	2.491
	0.4	1.985	2.177	2.289	2.363	2.442	2.459
	0.6	1.863	2.081	2.243	2.328	2.375	2.406
	0.8	1.733	1.993	2.146	2.280	2.345	2.384