Experimental Investigation on Dynamic Fracture Mechanism and Energy Evolution of Saturated Yellow Sandstone under Different Freeze-Thaw Temperatures

Table 1

Physical and mechanical properties of yellow sandstone (50 mm × 100 mm).

Samples	ρ (kg·m^−3)	(m·s^−1)	σc (MPa)	E (GPa)	εc (%)
1#	2330	2450	34.32	4.64	1.31
2#	2324	2463	31.01	4.21	1.28
3#	2332	2441	33.46	4.35	1.35
Average value	2329	2451	32.93	4.40	1.31