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

Table 10

The normal stress at the cross section of the backfill for different fracture positions of the main roof.

X 0 (m)	1	2	3	4	5	6	7	8	9	10
(MPa)	216.3	109.4	109.4	82.5	63.3	45.6	30.7	30.4	29.9	28.9
X 0 (m)	11	12	13	14	15	16	17	18	19	20
(MPa)	28.4	27.9	26.3	25.7	24.0	23.1	21.9	21.4	20.8	20.3