Damage Mechanism and Wave Attenuation Induced by Blasting in Jointed Rock

Table 3

Distribution of strata in the testing area.

Mineral No.	Lithology	Thickness/m	Notes
1	Silt and fine sandstone	16.85	Blasting source
2	Siltstone	3.50
3	3# coal seam	6.21	Geophone
4	Siltstone	0.85