Table 2 Model similarity constant.

From: Research on the variation law of floor stress information entropy in upper protective layer mining based on Brillouin optical fiber sensing

Similar name

Parameter

Similar name

Parameter

Geometric similarity ratio

1:150

Bulk density similarity ratio

1:1.56

Displacement similarity ratio

1:150

Time similarity ratio

1:12.25

Stress similarity ratio

1:234

Speed similarity ratio

1:12.25

Strain similarity ratio

1:234

Similarity ratio of elastic modulus

1:234

Strength similarity ratio

1:234

Gravity acceleration similarity ratio

1:1