Research Article

Research on Optimization of Mining Substitution in Wangzhuang Mine Based on System Dynamics

Table 2

Simulation model weight assignment.

IndexWeight value

Influence of geological structure level of heading face on heading speed0.3176
Influence of working environment level of heading face on heading speed0.3175
Influence of normal level of heading face on heading speed0.123
Influence of starting level of heading face on heading speed0.123
Influence of mechanical equipment fault level coal mining on heading face speed in heading face0.1189
Mine pressure level of heading face0.3008
Gas level of heading face0.4901
Mine water level of heading face0.2091
Roof breakage degree of heading roadway0.4012
Roof subsidence level of heading face0.2908
Approaching level of two sides of tunneling roadway0.308
Influence of geological structure level on advancing speed of coal mining face0.2986
Influence of working environment level of coal mining face on advancing speed of working face0.1962
Influence of the normal level of the working face on the advancing speed of the working face0.0616
Influence of mining face level on working face advancing speed0.0792
Influence of mechanical equipment failure level of coal mining on working face advancing speed0.0835
Influence of roadway end management level on working face advancing speed0.099
Influence of driving speed on advancing speed of working face0.1819
Mine pressure level of coal mining face0.3325
Gas level in coal mining face0.5278
Mine water level of coal mining face0.1397
Roof breakage degree of coal mining face0.3062
Roof subsidence level of coal mining face0.3012
Roof deformation level of coal mining face0.3926
Roadway advanced support level0.35
The approaching level of two sides of roadway0.65