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

Table 5

The normal stress at the cross section of the backfill for different elastic modulus values of the immediate roof.

E 1 (GPa)	0.1	2	4	6	8
	5.0	14.6	27.7	39.3	49.8