Study of the Characteristics Mechanical Damage and Constitutive Model of Crushed-Rocks from High-Grade Highway in Permafrost Region

Table 1

Basic physical parameters of the rocks.

Rock sample	Longitudinal wave speed	Dry density	Saturated density	Water content	Porosity
Red sandstone	2193	2.01	2.20	1.47	20.14
Cyan sandstone	2604	2.26	2.33	0.78	7.28
Granite	4464	2.59	2.60	0.13	0.62