Mathematical Problems in Engineering / 2018 / Article / Tab 1

Research Article

Dynamic Responses of a Twin-Tunnel Subjected to Moving Loads in a Saturated Half-Space

Table 1

Parameters of the edge pressure and the saturated poroelastic medium.

ParameterSymbolValue

Young’s modulus5.33 × 107 Pa
Poisson’s ratio0.33
Density of the bulk material2000 kg/m3
Density of the pore fluid1000 kg/m3
Porosity0.4
Biot parameters0.98
Biot parameters4.0 × 108 Pa
Additional mass density0 kg/m3
Darcy permeability coefficient4.91 × 10−3 m/s
Triangular pulse load2.00 × 107 Pa
Radius of tunnel1.0 m