Journal of Industrial Technology (산업기술연구)

Kangwon National University, Institute of Industrial Technology (강원대학교 산업기술연구소)
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The Effects the Number of Free Faces on the Level of Blasting Vibration

자유면의 수가 발파진동의 크기에 미치는 영향

  • 이효 (S.K 건설(주)) ;
  • 임한욱 (강원대 지구시스템공학과)
  • Published : 2001.06.30
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Abstract

Blast-vibration tests were carried out to determine the effects of the number of free face on the level of blast vibration. Frequency chatacteristics were also examined by using FFT analysis. To check the effects of the number of free face, charge weight per delay, drilling length, burden and space were applied uniformly and the number of free face was only changed from one to four. The results from tests were checked by regression analysis and K-value.

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