Research Article

Sensitivity Analysis and Numerical Simulation Study on Main Controlling Factors of Surface Movement and Deformation in Strip Filling Mining under Thick Unconsolidated Layers

Table 3

The process of range analysis of the orthogonal test.

Factor
Test number1234Test result

11111
21222
31333
42133
52221
62312
73132
83213
93321
Level summation
Level summation mean
I1/3I2/3I3/3I4/3
II1/3II2/3II3/3II4/3
III1/3III2/3III3/3III4/3