Dynamic Response of the Entrance Structure of an Elliptical Mountain Tunnel under the Action of SH Waves

Table 2

Physical dimension and similarity relation of model test.

Physical quantity	Dimension	Similarity ratio
Length	Cl	1/8
Mass density	Cρ	1/1
Elastic modulus	CE	1/1
Time		0.353
Poisson's ratio	—	1
Stress	Cσ = CE Cε	1
Cohesion	Cσ = CE Cε	1
Coefficient of viscosity		0.353
Internal friction angle	—	1
Strain	Cε	1
Displacement	Cμ	0.125
Velocity		0.353
Acceleration		1
Strength		0.0 15625
Frequency		2.828
Damping coefficient		0.04418