Damages of Underground Facilities in Coal Mines due to Gas Explosion Shock Waves: An Overview

Figure 1

Fitting of influence law of overpressure peak value [23]. (a) Effect of gas accumulation on the peak overpressure at the explosion door. (b) Effect of gas accumulation on the peak overpressure at the fan. (c) Explosion distance on the peak overpressure at the fan. (d) Explosion distance on the peak overpressure at the explosion door.

(a)

(b)

(c)

(d)