Research Article
Analysis of the Influence Characteristics of the Support Stability of a Fully Mechanized Coal Mining Face under the Hard Roof Mining Pressure
Figure 3
The change curve of the influence of different factors on the working resistance of the stent. (a) Different stress concentration factors k. (b) Different buried depths H. (c) Different elastic moduli E. (d) Different top plate thicknesses h. (e) The distance between the peak of different supporting pressure and the coal wall l1. (f) The length of different roof cantilever l0.
| (a) |
| (b) |
| (c) |
| (d) |
| (e) |
| (f) |