A New Method of Central Axis Extracting for Pore Network Modeling in Rock Engineering

Table 1

Scanning parameters of each core sample.

	Sandstone a	Sandstone b	Sandstone c	Sandstone d
Diameter (mm)	2.00	2.00	2.00	2.00
Length (mm)	2.60	2.80	2.70	2.80
Porosity (%)	26.90	18.82	19.93	14.07
Pixel size (μm)	2.25	2.25	2.25	2.25