Stability Control of a Roadway Surrounding Rock during the Cutting and Pressure Relief of a Coal-Bearing Roof at a Shallow Mining Depth

Table 1

Pressure cycle steps and pressure in areas affected by roof cutting in the roadway.

Hydraulic support	Conventional coal mining area (m)	Influence areas of cutting roof reserved for cutting-roof pressure relief (m)
No. 5	10	32
No. 10	10	28
No. 20	12	33