Research Article

Disaster Control of Roof Falling in Deep Coal Mine Roadway Subjected to High Abutment Pressure

Table 3

Schemes of numerical simulations.

No.Setting load (MPa)Movable column length (mm)Note

Scheme 114.97240.1(1) Scheme 1 was the baseline scheme.
(2) The aim of schemes 1, 2, and 3 was to study the effect of the setting load.
(3) The aim of schemes 1, 4, and 5 was to study the effect of the movable column length.
Scheme 28.98240.1
Scheme 320.96240.1
Scheme 414.97144.1
Scheme 514.97336.1