Influence of Two Cooling Methods on Dynamic Mechanical Properties of High Temperature Sandstone

Table 1

Basic physical parameters of sandstone before heating and after water cooling.

T (°C)	Samples	Before heating					After water cooling
		D (mm)	L (mm)	M (g)	P (g·cm^−3)	C (m·s^−1)	D (mm)	L (mm)	M (g)	ρ (g·cm^−3)	C (m·s^−1)
20	GB11-01	49.96	25.18	127.40	2.582	3934	49.96	25.18	127.40	2.582	3934
	GB11-02	49.78	25.21	127.85	2.606	3939	49.78	25.21	127.85	2.606	3939
	GB11-03	49.69	25.11	126.52	2.599	3923	49.69	25.11	126.52	2.599	3923
100	GB11-09	49.70	25.22	127.67	2.610	3708	49.60	25.14	127.41	2.624	3927
	GB11-13	49.74	25.37	128.77	2.613	3731	49.63	25.37	128.41	2.616	3731
	GB11-15	49.86	25.07	126.22	2.579	3917	49.67	25.00	125.96	2.601	3676
200	GB11-17	49.64	25.14	127.08	2.612	3929	49.68	25.06	126.31	2.601	3481
	GB11-18	49.75	25.08	127.26	2.611	4179	49.69	25.06	126.47	2.603	3685
	GB11-19	49.78	25.13	127.77	2.612	4188	49.71	25.15	127.10	2.604	3930
300	GB11-25	49.85	25.25	127.74	2.592	3945	49.70	25.19	129.45	2.650	3314
	GB11-27	49.67	25.12	126.17	2.593	3693	49.71	25.08	126.44	2.597	3689
	GB11-28	49.79	25.08	127.11	2.603	3918	49.71	25.07	125.59	2.580	3484
400	GB11-33	49.68	25.19	127.77	2.618	4198	49.64	25.17	126.99	2.607	3496
	GB11-35	49.74	24.99	126.10	2.597	4165	49.68	24.98	125.34	2.589	3470
	GB11-36	49.66	25.09	127.53	2.625	3689	49.72	25.07	126.80	2.606	3481
500	GB11-41	49.69	24.90	126.72	2.625	3661	49.71	25.12	125.11	2.567	3305
	GB11-43	49.74	24.93	126.62	2.614	3462	49.75	25.00	124.39	2.560	3289
	GB11-44	49.73	25.22	127.41	2.601	3708	49.78	25.19	125.98	2.570	3403
600	GB11-51	49.77	25.17	126.84	2.591	3495	49.98	25.32	120.53	2.427	2345
	GB11-52	49.76	25.19	126.90	2.591	4198	49.99	25.22	120.81	2.441	2335
	GB11-53	49.91	25.15	127.68	2.595	3929	49.93	25.22	123.14	2.494	2425
700	GB11-61	49.66	25.02	125.83	2.597	3474	50.18	25.26	119.27	2.388	2105
	GB11-62	49.65	25.14	127.47	2.619	3928	50.06	25.41	120.39	2.408	1629
	GB11-63	49.72	25.16	127.36	2.608	3931	50.26	25.35	121.23	2.411	2264
800	GB11-71	49.60	25.18	126.41	2.599	3703	50.00	25.40	117.90	2.365	1716
	GB11-72	49.68	25.20	126.94	2.599	3500	50.10	25.46	119.20	2.376	1872
	GB11-73	49.79	25.23	128.10	2.608	3710	50.19	25.39	118.81	2.366	1983
900	GB11-81	49.72	25.18	127.47	2.608	4196	50.29	25.48	119.32	2.358	1633
	GB11-82	49.80	25.26	128.10	2.604	3946	50.32	25.54	116.45	2.294	1520
	GB11-83	49.53	25.14	126.34	2.608	3697	50.16	25.39	118.32	2.359	1627
1000	GB11-90	49.87	25.19	127.66	2.595	4198	50.48	25.55	119.00	2.327	1452
	GB11-91	49.73	25.17	126.57	2.590	4194	50.52	25.62	117.60	2.291	1489
	GB11-93	49.70	25.05	127.65	2.626	3914	50.46	25.54	116.47	2.281	1485