Analysis of the Protection Performance of Face Guard for Large Mining Height Hydraulic Support

Figure 15

Comparison of the bearing capacities of different positions of face guard. (a) Coordinate value of X-axis is 280 mm. (b) Coordinate value of X-axis is 560 mm. (c) Coordinate value of Y-axis is 840 mm. (d) Coordinate value of Y-axis is 1300 mm.

(a)

(b)

(c)

(d)