Study on Long-Term Dynamic Mechanical Properties and Degradation Law of Sandstone under Freeze-Thaw Cycle

Table 1

Physical and static parameters of sandstone under freeze-thaw cycle.

Number of freeze-thaw cycles	Density (kg/m^3)	Elastic modulus (GPa)	Uniaxial compressive strength (MPa)	Poisson’s ratio
0	2688	24.11	42.32	0.2537
20	2643	22.78	38.62	0.2635
40	2600	20.21	30.98	0.2672
80	2586	14.36	25.16	0.2715
120	2572	11.02	20.35	0.2756