Analysis of Influencing Factors of Roadway Stability and Adaptability Criterion for Gob-Side Pre-Backfill Driving

Table 7

The normal stress at the cross section of the backfill for different elastic moduli of the coal seam.

(GPa)	0.1	1	1.6	2	3	4	5
(MPa)	145.5	38.6	30.74	28.65	27.1	26.21	25.8