Effect of the Size and Position of a Damping Ditch on the Reduction of the Blasting Vibration

Table 2

Damping ditch size of each model.

Numbering	1-1	1-2	1-3	1-4	2-1	2-2	2-3	2-4	3-1	3-2	3-3	3-4	4-1	4-2	4-3	4-4
Depth (cm)	675	900	1425	1950	900	900	900	900	900	900	900	900	750	1125	1270	1725
Width (cm)	195	195	195	195	195	225	300	375	195	195	195	195	270	195	255	345
Distance (cm)	2350	2350	2350	2350	2350	2350	2350	2350	3555	3105	2350	1605	3405	3330	2670	2280