Study on Dynamic Response Characteristics and Damage Mechanism of Tunnel Lining at Entrance of Shallow Bias Tunnel

Table 3

The similar constants.

Physical quantity	Similar relation	Similar constants
L	CL	1/50
	Cρ	1
E	CE	1/50
		1
t	Ct = CLCρ^0.5CE^−0.5	0.141
a	Ca = CL^−1Cρ^−1CE	1
u	Cu = CLCε	1/50
σ	Cσ = CE	1/50
ε	Cε = CE^−1CLCγ	1