Movement and Protection for Random Shape Rockfalls in Steeply Dipping Coal Seams

Table 1

The irregular shape model of rockfalls.

	No.1	No.2	No.3
Group 1 (S = 0.7)
	P = 0.154	P = 0.412	P = 0.647
Group 2 (S = 0.5)
	P = 0.113	P = 0.352	P = 0.523
Group 3 (S = 0.3)
	P = 0.133	P = 0.471	P = 0.680