Research Article

[Retracted] Application of Optical Fiber Sensing Technology in Permeability Test of Three-Dimensional Physical Model of Medium and Long-Distance Diversion Tunnel

Table 3

Parameter values of model materials.

Material typeBulk density
/(kN·m-3)
Modulus of elasticity E/GPaPoisson’s ratio Permeability coefficient k/(cm·s-1)

Model material27.70.190.23
Prototype material27.718.500.28