The Scientific World Journal / 2014 / Article / Tab 4

Research Article

Back Analysis of Geomechanical Parameters in Underground Engineering Using Artificial Bee Colony

Table 4

Identified in situ stress and angle in different stages.

Angle

Actual20.0000 10.0000 30.0000
Stage 119.9583 10.0614 30.0104
Stage 220.6493 10.8171 33.3676
Stage 320.0252 10.0376 30.623