Experimental Study and Engineering Practice of Pressured Water Coupling Blasting

Table 6

Distribution of support resistance in the working face.

	Survey line	Support resistance/kN
		Mean	Mean square error	Maximum
Terminal resistance of support	Head	5930.7	1024.4	6791.5
	Middle	7012.1	1125.2	7386.6
	Tail	6543.3	1432.5	7156.7
	Mean	6495.4	1194.0	7111.6
Time-weighted resistance	Head	6456.3	1391.4	6978.3
	Middle	6958.4	1082.0	7220.0
	Tail	6835.1	1380.4	7011.0
	Mean	6749.9	1284.6	7069.8