Research on the Redistribution Law of Lateral Mining Stress and the Bearing Characteristics of Section Coal Pillar in Extra-Thick Fully Mechanized Top-Coal Caving Mining

<div>Lateral mining stress redistribution and section coal pillar bearing with different internal friction angles of the coal and rock (<i>φ</i>). (a) Wide coal pillar setup. (b) Narrow coal pillar setup.</div>

Shock and Vibration

fig10

Figure 10

Figure 10: Research on the Redistribution Law of Lateral Mining Stress and the Bearing Characteristics of Section Coal Pillar in Extra-Thick Fully Mechanized Top-Coal Caving Mining 

Figure 10 | Research on the Redistribution Law of Lateral Mining Stress and the Bearing Characteristics of Section Coal Pillar in Extra-Thick Fully Mechanized Top-Coal Caving Mining 