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

Table 3

Mass transfer amounts with time to each sample (g) (partial results).

Number	Water pressure (MPa)	Initial porosity	Time (min)
			0	5	10	20	30	40	50	60	90	120
1	0.2	0.36	0	8.8	17.4	30.8	45.0	54.8
2	0.4		0	20.0	34.9	66.5	85.0	92.3	116.1	145.7
3	0.6		0	8.4	25.5	76.7	129.2	205.7	276.9	287.9	345.6
4	0.6	0.23	0	13.0	22.5	39.1	67.9	86.7	99.4	101.7	113.2	120.3
5		0.30	0	38.3	62.9	88.1	116.8	137.3	149.0	164.4	240.2	259.9
6		0.36	0	8.4	25.5	76.7	129.2	205.7	276.9	287.9	345.6