Experimental Investigation of the Influence for Stoping Sequence and Granular Grading on Lateral Pressure during the Nonpillar Sublevel Caving Mining

Table 2

The measured height of each test channel.

Test channels	The lower wall								The upper wall
	1#	2#	3#	4#	5#	6#	7#	8#	9#	10#	11#	12#	13#	14#	15#	16#
Measured height (m)	1.45	1.25	1.05	0.85	0.65	0.45	0.25	0.05	1.45	1.25	1.05	0.85	0.65	0.45	0.25	0.05