Seismic Response of a Tunnel Embedded in Compacted Clay through Large-Scale Shake Table Testing

Table 2

Similarity ratios of the model to prototype.

Physical parameter	Similarity relationship	Similarity ratio
Geometry		1/8
Density		4/5
Elastic module		1/10
Strain		1
Stress		1/10
Acceleration		1
Poisson’s ratio		1
Friction angle		1
Frequency		2.828
Time		0.354