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What is Understanding Dead Pressing in Explosives about?
Dead pressing occurs when an explosive becomes desensitized due to high pressure from neighboring explosive detonations. The voids in explosives like emulsions that act as initiation points can be squeezed out, decreasing sensitivity. In sequential blasting, pressure waves from earlier holes can dead press closer explosives before they detonate. Computer models show dead pressing occurs very rapidly within 2ms, while recovery of detonability takes 50ns. Analysis of seismic readings from a lab blast showed d
- Author
- mfouou zeh macmillan
- Language
- EN