Theoretical and Experimental Study on Damage Properties of Surrounding Rock under High-Frequency Constant Impact Load

Table 2

Physical parameters of granite specimens.

Specimen number	Length (mm)	External diameter (mm)	Center hole diameter (mm)	Mass (g)
1-1	99.98	49.04	Null	506.8
1-2	100.14	49.06	Null	507.1
1-3	100.04	49.10	Null	506.6
1-4	100.16	48.80	Null	507.2
1-5	100.18	48.74	Null	507.5
2-1	100.16	49.2	6.24	501.1
2-2	98.68	49.20	6.24	493.7
2-3	100.36	48.64	6.26	490.1
2-4	99.68	49.20	6.26	499.1
2-5	98.08	49.16	6.28	489.1
3-1	99.74	49.18	8.14	490.6
3-2	97.88	49.20	8.08	489.1
3-3	99.68	49.22	8.10	494.0
3-4	98.90	49.20	8.12	489.0
3-5	100.56	49.20	8.08	496.6
4-1	100.10	49.20	10.36	485.8
4-2	100.60	49.20	10.40	487.6
4-3	100.44	49.22	10.46	486.7
4-4	100.50	49.20	10.50	487.1
4-5	100.64	49.20	10.42	485.1