Permeability of Sand-Based Cemented Backfill under Different Stress Conditions: Effects of Confining and Axial Pressures

Table 5

Permeability range analysis.

Level	Axial pressure (×10^-18 Pa)	Confining pressure (×10^-18 Pa)
Level 1	10.2	15.3
Level 2	7.10	10.2
Level 3	5.23	5.95
Level 4	3.35	7.26
Range	6.85	9.35