Experimental Study on High-Pressure Air Blasting Fracture for Coal and Rock Mass

Table 2

The experimental technical parameters every time.

No.	High-pressure vessel, V (L)	Air pressure, P (MPa)
1	1	5
2	1	7.5
3	1	10
4	2	5
5	2	7.5
6	2	10
7	3	5
8	3	7.5
9	3	10