When modeling the consequences of the explosion zone are the following probation:

- The detonation zone. Excess pressure in this zone is 1700 ... 1350 kPa.
- Product explosion zone 1350… 700 kPa.
- Area air shock wave. Within this zone for approximate estimation of the degree of destruction of buildings and structures secrete:

• - a zone of complete destruction: ≥50 кПа;
• - devastation zone: 50 кПа ≤ 30 kPa;
• - secondary zone of destruction: 30 кПа ≤ 20 kPa;
• - the weak zone of destruction: 20 кПа ≤ 10 kPa.

Maximum overpressure of shock wave in the front make up with the explosion of the gas-air mixture 800 kPa, dusts- 700 kPa, vapour balancing-100 ... 200 kPa. If we take into account the, that production conditions explosions, as a rule, occur in a closed room, the complete overpressure is formed by processes of mechanical wave reflection from walls and is value in 5 - 6 times of overpressure, the ensuing explosion.