Research Article

Waveform Characteristics of Tunnel Blast Waves and a Wave-Blocking Method

Table 2

Structural material parameters used.

TypeDensity, ρ (kg/m3)Modulus of elasticity, E (GPa)Poisson’s ratio, μYield stress, σ (MPa)

Lining concrete240032.50.2030.0
Rigid wall12008.00.3310.0
Curtain4000.0090.33