Research Article

Behaviors and Overlying Strata Failure Law for Underground Filling of a Gently Inclined Medium-Thick Phosphate Deposit

Table 1

The parameter table of the model design.

ParametersNumerical values

Model size ratio1/240
Model length (mm)3000
Model height (mm)1040
Model width (mm)300
Time similarity coefficient1/16
Bulk weight similarity coefficient0.81
Intensity similarity coefficient1/296
External force similarity coefficient5.86 × 10−8
Modulus of elasticity1/296
Poisson’s ratio1