Experimental Investigation on the Correlation between Dynamic Ultrasonic and Mechanical Properties of Sandstone Subjected to Uniaxial Compression

Table 1

Average buried depth, density, porosity, and size of rock samples.

Strata	Buried depth (m)	Sample number	Size (mm)		Density (g/cm^3)	Porosity (%)
			Height	Diameter
No. 1 sandstone	113.4	3-1/16-1	100.10/99.92	48.74/48.72	2.14	20.96
No. 2 sandstone	123.3	24-1/33-2	99.77/98.54	48.74/48.94	2.28	23.62
Mudstone	136.0	44/49-2	98.36/100.10	48.93/48.93	2.39	14.84
No. 3 sandstone	145.9	65/68	99.83/92.88	49.03/48.90	2.35	20.46
No. 4 sandstone	154.1	86-2/102-2	100.20/99.14	48.76/48.97	2.24	23.01
No. 5 sandstone	162.6	107/121	100.10/99.88	48.84/48.93	2.39	12.18
No. 6 sandstone	170.8	128/137-2	99.15/100.20	48.77/49.14	2.41	9.44
No. 7 sandstone	183.6	161-1/181-1	100.10/100.00	48.92/48.83	2.16	19.93
No. 8 sandstone	191.8	187-2/198-1	100.00/99.19	48.95/49.07	2.36	13.45