Distribution Law of Mining Stress of the Gob-Side Entry Retaining in Deep Mining Thin Coal Seam

<div>Advanced vertical stress cloud diagram of the third left working face. (a) The working face is advanced by 100 m. (b) The working face is advanced by 200 m. (c) The working face is advanced by 300 m. (d) The working face is advanced by 400 m.</div>

Advances in Civil Engineering

fig11

Figure 11

Figure 11: Distribution Law of Mining Stress of the Gob-Side Entry Retaining in Deep Mining Thin Coal Seam 