Experimental Study on Grouting and Flow Characteristics of Rough Vertical Fractures

Table 1

Test design of sample loading.

()		Water pressure (MPa)
		0.1	0.2	0.3	0.4	0.5	0.6
Normal stress (MPa)	0.6	(0.6,0.1)	(0.6,0.2)	(0.6,0.3)	(0.6,0.4)	(0.6,0.5)	(0.6,0.6)
	0.5	(0.5,0.1)	(0.5,0.2)	(0.5,0.3)	(0.5,0.4)	(0.5,0.5)	(0.5,0.6)
	0.4	(0.4,0.1)	(0.4,0.2)	(0.4,0.3)	(0.4,0.4)	(0.4,0.5)	(0.4,0.6)
	0.3	(0.3,0.1)	(0.3,0.2)	(0.3,0.3)	(0.3,0.4)	(0.3,0.5)	(0.3,0.6)
	0.2	(0.2,0.1)	(0.2,0.2)	(0.2,0.3)	(0.2,0.4)	(0.2,0.5)	(0.2,0.6)
	0.1	(0.1,0.1)	(0.1,0.2)	(0.1,0.3)	(0.1,0.4)	(0.1,0.5)	(0.1,0.6)