Analysis of Dynamic Damage-Induced Porosity Changes of Granites in Leaching Mining Technique Based on SHPB Test

Table 3

Constant-velocity cyclic dynamic loading test.

Specimen number	Ultrasonic wave velocity in saturation (m/s)	Average loading velocity (m/s)	Loading times	Ultimate strength (MPa)
D7	4524	8.4	2	58.8
D10	4944	7.2	4	57.4
D43	4665	6.9	5	56.9
D40	4978	5.8	13	55.5
D35	4653	6.3	7	56.1
D50	4841	5.5	30	55.1