Qmax (kg)	the total blasting charge
L2 (m)	the total length
Ρ (kg/m3)	the blasting density
P0 (kg/m3)	explosive density
D0 (m/s)	explosive detonation velocity
db (m)	explosive diameter
dc (m)	borehole diameter
Pr (Pa)	the initial pressure peaks of the shock wave in the rock body
ρr (kg/m3)	density of the rock body
Cer (m/s)	compression wave velocity of the rock body
r1 (m)	shock wave radius
r2 (m)	cracking area radius
α1, α2	attenuation index of the shock wave and stress wave
C	damping matrix
M	mass matrix
K	stiffness matrix
β	the stiffness ratio damping coefficient
ωi and ωj	two separate reference frequencies of stage i and j
ξ	the structural damping ratio
Cp and Cs	two damping of P wave and S wave
ρ	density
λ (kN/m2)	volume elasticity coefficient
G (kN/m2)	shear elasticity coefficient
E (kPa)	elastic modulus
ν	Poisson ratio
A (m2)	cross-sectional area
R (m)	the allowable safety distance for blasting
V (cm/s)	the allowable safety vibration velocity for blasting
Q (kg)	blasting charge, total charge of simultaneous blasting
K, α	parameters and attenuation coefficients related to terrain and geological conditions between the explosive location and protected object