Study on Roof Breakage-Induced Roadway Coal Burst in an Extrathick Steeply Inclined Coal Seam

Table 1

Scale factors and values of the major variables.

Major variable	Froude scale factor	Value
Length		200
Density		1.667
Acceleration		1
Time		14.14
Stress		333
Strain		1
Poisson’s ratio		1
Friction angle		1
Speed		14.14
Energy		6.6 × 10^4