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발파공내 충진매질에 따른 발파 효율성에 관한 연구

A Study on the Blast Efficiency due to Packing Materials in the Blast Hole

  • 언어KOR
  • URLhttps://db.koreascholar.com/Article/Detail/321028
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대한안전경영과학회 (Korea Safety Management & Science)
초록

The blast hole has a space between explosive and hole wall, and blast forces reaches the hole wall face with a large amount of loss during passing through this space. The loss ratio of blasting forces are different to this packing material of space like air, water, etc. In this study, the effect of packing materials is investigated by the numerical simulation analysis. The simulation is carried out to two phases; 1st phase is to compute the impacting forces reaching on the wall face passing through packing materials(air, water), 2nd phase is to study the blasting effect(block size of cracking, direction of driving forces, etc.) in real site. The reaching force at the wall face in the water is larger than in the air. This study shows that the water as packing materials is superior to the air.

저자
  • 강희섭(한국교통대학교 교통대학원)
  • 방명석(한국교통대학교 교통대학원)
  • 이상헌(우주개발(주))
  • 안용수(우주개발(주))