Study on Dynamic Mechanical Properties of Limestone under Uniaxial Impact Compressive Loads

Table 3

Test results of SHPB tests on limestone samples.

Impact pressure, (MPa)	Sample numbers	Sample thickness/diameter (mm)	Strain rate; (s^−1)	Dynamic compressive strength (MPa)	Peak strain (10^−3)	Fragmentation degree
0.1	DCL01-1	35/50	71.50	143.56	7.09	Undamaged
	DCL01-2	35/50	74.67	152.21	7.24	Penetrating crack
0.3	DCL02-1	35/50	98.78	200.14	8.02	Two pieces
	DCL02-3	35/50	104.86	189.34	8.08	Two pieces
0.5	DCL03-1	35/50	114.69	275.89	10.44	Three pieces and fragments
	DCL03-2	35/50	124.45	281.43	10.51	Three pieces and fragments
0.7	DCL04-2	35/50	153.73	393.47	13.02	Seven pieces and fragments
	DCL04-3	35/50	156.21	390.63	13.23	Eight pieces and fragments
1.0	DCL05-1	35/50	165.96	521.28	17.01	Fragments
	DCL05-3	35/50	173.72	514.87	17.54	Fragments