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

Table 5

Measured permeability of C50S1.2-2 test block in cyclic loading and unloading test.

Axial load (MPa)	Cycle 1	Cycle 2	Cycle 3	Cycle 4
	Measured value of permeability (e − 16 m^2)
1	2.39	7.14	11	12
5	6.15	10	12	15
10	12.37	14	17	19
15	20.45	23	26	27
20	27.37	30	34	38
15	21	23	29	30
10	16.66	17	21	24
5	9.25	14	15	18
1	7.14	11	12	17