Research on the Deformation Characteristics and Support Technology of a Bottom Gas Extraction Roadway under Repeated Interference

Figure 3

Stress field, displacement field, and plastic zone extent around a bottom gas extraction roadway after excavation. (a) Vertical stress distribution. (b) Horizontal stress distribution. (c) Shear stress distribution. (d) Distribution of displacement field. (e) Distribution of plastic zone.

(a)

(b)

(c)

(d)

(e)