Investigation on the Vibration Effect of Shock Wave in Rock Burst by In Situ Microseismic Monitoring

Table 3

Calculated peak amplitudes and seismic energies received at each branch station.

Test site	Branch station	Location	Maximal amplitudes of each branch station/μV				Energy/J
			Test 1	Test 2	Test 3	Average value
Roadway of 2604 coal face	1	Floor	4969.545	5527.364	4918.6	5138.503	4.15 × 10^7
	2	Roof	949.0909	2079.545	1228.8	1419.145	1.076 × 10^6
	3	Left rib	3276.091	3414.909	2922.2	3204.4	1.086 × 10^7
	4	Humeral angle	2040.364	2036.182	1792.2	1956.248	2.675 × 10^6
	5	Right rib	3575.636	4917.818	2922	3805.152	1.77 × 10^7