Experimental studies on the effects of bolt parameters on the bearing characteristics of reinforced rock

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Table 1 Experimental layout

Test number	Distance between bolts/mm	Distance between two rows/mm	Length/mm	Diameter/mm	Maximum kinetic pressure coefficient
1	No bolts				1.23
2	800	800	1800	18	2.42
3	600	800	1800	18	2.89
4	1000	800	1800	18	1.47
5	800	600	1800	18	2.89
6	800	1000	1800	18	1.90
7	800	800	2000	18	2.58
8	800	800	2400	18	2.70
9	800	800	1600	18	1.95
10	800	800	1600	30	2.80