[Retracted] Engineering Application of Nanomaterial and Ferroelectric Domain Polarization to the Dynamic Structure of the Surrounding Rock of Heavy-Duty Railway with Small Clear Intersection Tunnel

Table 4

The similarity ratio of each parameter of the model experiment.

Name	Proportion
Geometric similarity ratio	35
Cohesion similarity ratio	35
Displacement similarity ratio	35
Bulk density similarity ratio	1
Stress similarity ratio	35
Elastic modulus similarity ratio	35
Strain similarity ratio	1
Internal friction angle similarity ratio	1