Analysis of Influence Law of Burial Depth on Surrounding Rock Deformation of Roadway

Table 4

Comparison of the final displacement of mining roadway ribs.

Depth (m)	300		400		500		600		700		800		900
Displacement of rib to rib (mm)	213.2		229.1		254.8		290.5		336.1		391.5		456.8
Difference value (mm)		15.9		25.7		35.7		45.6		55.4		65.3