A Numerical Investigation on the Effect of Gas Pressure on the Water Saturation of Compacted Bentonite-Sand Samples

Table 1

Numerical modelling and laboratory experiment schemes.

Category	Number	Boundary condition; (water/gas injection test)		Boundary condition; (gas breakthrough test)
		(MPa)	(MPa)	MPa
Numerical modelling	S-1	0	4	N/A
	S-2	2	4	N/A
	S-3	4	4	N/A
	S-4	6	4	N/A
	S-5	8	4	N/A
Laboratory experiment	E-1	0	4	Gas pressure is injected from the bottom side with , … until continuous gas flow was detected at the other side.
	E-2	2	4
	E-3	4	4
	E-4	6	4
	E-5	8	4

Note. is gas pressure, and is water pressure.