Explosion of Liquid Explosives on the Ground

The application of liquid explosives refers the explosion in rocks and earth. The stratum (including rocks and soil) is a kind of nonuniform media. There are large gaps between rocks and rocks, rocks and the soil, soil and soil. Even in the same rocks, there are big differences in the textures, structures, or mechanical properties. Study of explosion in the rocks is more complex compared to that in the air or under water. To study the impact of liquid explosives in the mining, explosions in infinite rocks and infinite half rocks are discussed here. 

After detonation, the pressure of explosion product gases reaches several ten kilo atmospheres. Under the impact of high-temperature and high-pressure explosion product gases, the surrounding rocks are severely compressed. Their structures are damaged, and particles are crushed, even are liquefied suddenly. The whole rocks move radially, and exclusion zone or empty zone are formed. Outside the zone, deformation slip surfaces are induced. Inside the zone, structure damage and crush 

Group number Parameters of shock waves (1) (2) Injury Injury Injury degree  

Super pressure of shockwaves (without booster) (kg/cm ) Injury degrees 

05 Medium (hearing injury, medium contusion, mild bleeding of organs, fractures) 

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