Energy Dissipation Characteristic of Red Sandstone in the Dynamic Brazilian Disc Test with SHPB Setup

Table 1

Energy and mechanical data of red sandstone specimens.

Diameter (mm)	Length (mm)	Incident energy (J)	Dissipated energy (J)	Reflected energy (J)	Transmitted energy (J)	Loading rate (GPa/s)	Peak tensile stress (MPa)	States after impact
48.70	25.24	2.60	0.44	1.96	0.20	40.88	4.42	Unruptured
48.65	25.44	3.66	0.90	2.57	0.18	41.99	5.12	Unruptured
48.69	25.71	4.54	0.80	3.59	0.14	38.41	4.72	Unruptured
48.69	25.39	4.80	0.86	3.58	0.36	71.57	8.80	Unruptured
48.70	25.14	5.96	1.46	4.24	0.26	51.56	6.29	Unruptured
48.64	24.73	6.40	1.12	4.80	0.47	57.61	7.26	Ruptured
48.71	24.94	6.68	1.36	5.07	0.25	55.28	6.19	Unruptured
48.69	25.56	9.01	2.31	6.01	0.69	89.82	10.96	Broken
48.75	25.61	9.02	2.35	6.21	0.45	75.77	9.62	Broken
48.71	24.55	9.10	1.87	6.74	0.49	63.83	7.98	Broken
48.70	25.81	9.78	1.89	7.51	0.38	51.51	7.37	Broken
48.67	25.81	9.43	1.92	6.73	0.77	57.77	10.05	Broken
48.67	26.15	9.68	2.24	6.81	0.63	89.91	11.24	Broken
48.64	25.84	10.16	2.38	7.04	0.74	91.07	11.20	Broken
48.70	25.54	10.43	2.80	6.97	0.67	84.54	9.81	Broken
48.73	25.41	11.06	2.43	8.13	0.50	83.98	10.33	Broken
48.71	25.79	11.64	2.81	8.56	0.28	56.36	7.95	Broken
48.67	25.36	12.10	3.64	7.92	0.54	109.37	12.69	Broken
48.65	25.52	13.25	3.98	8.49	0.79	95.46	11.74	Broken
48.66	25.43	15.04	4.12	10.42	0.50	82.78	9.93	Broken
48.70	25.69	16.67	4.68	11.39	0.60	110.22	10.58	Broken
48.65	25.96	19.75	6.15	12.86	0.75	122.92	13.40	Broken
48.70	25.49	19.84	5.88	13.27	0.70	120.87	13.66	Broken
48.70	25.73	22.90	6.97	15.34	0.60	106.19	12.96	Broken
49.68	25.29	24.55	6.97	16.98	0.60	134.88	12.95	Broken
48.69	25.64	25.05	8.37	16.00	0.68	139.52	16.05	Broken
48.66	25.52	25.63	8.32	16.66	0.65	163.10	15.82	Broken
48.64	25.89	31.75	8.81	22.28	0.66	163.33	14.05	Broken