Research Article

Study on Mechanism and Main Influencing Factors of Rockburst under Complex Conditions of Hard and Deep Overburden

Table 6

Judgment matrix of influencing factors (zone II).

CCoal seam burial depthSandstone layer thicknessDistance to thick sandstone layerRoadway layoutExcavation strengthFold structure

Coal seam burial depth11/21/21/31/31/4
Sandstone layer thickness2111/21/21/2
Distance to thick sandstone layer2111/21/21/2
Roadway layout322111
Excavation strength322111
Fold structure422221