Shaking Table Test on Seismic Response of Tunnel-Soil Surface Structure System considering Soil-Structure Interaction

Table 2

Similarity rules of the model surface structure.

Physical quantity	Symbol	Similarity ratio	Physical quantity	Symbol	Similarity ratio
Length		1/30	Strain		1
Linear displacement		1/30	Stress		1/4
Density		1	Stiffness		0.0083/1
Frequency		5.464/1	Velocity		0.183/1
Time		0.183/1	Acceleration	=	1
Elastic modulus		1/4	Equivalent density		7.5/1