Effects of Initial Porosity and Water Pressure on Seepage-Erosion Properties of Water Inrush in Completely Weathered Granite

Table 8

Results of permeability for different water pressures.

/MPa	Initial permeability (m^2)	Ultimate permeability (m^2)	Total time (min)	Permeability increase amplitude /
0.2	5.0 − 13	6.1 − 12	40	12.2
0.4	5.0 − 13	7.1 − 12	76	14.2
0.6	5.0 − 13	1.8 − 11	66	36