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

Table 4

Measured permeability of C50S1.2-1 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	2.66	8.17	10	13
5	7.15	9	13	15
10	11.34	13	16	18
15	21.48	24	26	28
20	28.35	31	35	39
15	22	25	28	31
10	17.68	19	22	25
5	10.24	13	15	17
1	8.17	10	13	16