The Vibration Characteristics of Ground of Rock Blasting in Silt-Rock Strata

Table 2

Physical and mechanical parameters of rock and silt.

	Density ρ (g·cm^−3)	Elastic modulus E (GPa)	Poisson’s ratio u	P wave velocity (m/s)	Yield strength (MPa)	Tangent modulus (GPa)	Hardening parameter	Strain rate parameter C
Rock	2.5	0.74	0.25	5357	3.0e-5	0.042	1.0	0.06
Silt	1.63	3.3e-5	0.45	1250	4.0e-9	0.0	—	—