Influence of In-Situ Stress on the Energy Transmission of Blasting Stress Wave in Jointed Rock Mass

Table 4

Energy intensities of incident and transmitted stress wave in single-joint rock mass under different equal biaxial static loads.

Static loads (MPa)	Single-joint rock mass
	30°		60°		90°
	ISW (J/m^2)	TSW (J/m^2)	ISW (J/m^2)	TSW (J/m^2)	ISW (J/m^2)	TSW (J/m^2)
0	20.12	4.73	23.45	5.14	22.43	4.60
0.75	17.92	5.41	15.27	4.86	16.87	5.67
1.5	13.68	5.32	12.53	5.08	12.76	5.59
3	7.54	2.02	5.93	1.69	6.67	2.06