A Study of Dynamic Loading and Unloading Damage of Fiber-Reinforced Concrete under Confining Pressure

Table 2

Measured permeability of single loading and unloading test (the confining pressure value is 1 MPa).

Axial Load (MPa)	C50S1.2-1	C50S1.2-2	C50S0-1	C50S0-2
	Measured value of permeability (e − 16 m^2)
1	2.65	2.37	2.66	2.54
5	3.12	2.60	3.05	2.86
10	3.41	5.54	6.76	7.39
15	5.68	6.97	11.20	12.45
20	7.95	7.77	13.35	14.67
10	4.92	4.64	8.96	6.82
5	3.86	3.38	4.32	4.40
1	3.62	3.52	4.08	4.15