• Title/Summary/Keyword: 발파지침

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Field Practice Guidelines for Blasting Seismographs (발파진동측정을 위한 측정지침)

  • 선우춘
    • Explosives and Blasting
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    • v.20 no.4
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    • pp.29-37
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    • 2002
  • 발파진동 및 소음은 일반적으로 발생원인이 사회간접자본의 건설이나 자원 의 개발이라는 공익성과 관련되는 것이 대부분이다. 최근에는 환경문제에 대한 관심이 높아지면서 발파진동이나 소음에 대한 관심이 높고, 또한 많은 민원이 발생되고 있다. 아무튼 발파진동의 측정은 발파에 의해 발생하는 지반 및 구조물의 진동을 파악하여 발파진동 규제기준의 수행 여부를 평가하거나 또는 발파성능을 평가할 목적으로 관련 기관들에 의해 진동측정이 실시되고 있다. 따라서 규정의 준수에 대한 판정은 발파소음과 지반진동 측정의 정확도와 신뢰도에 의존하게 된다. 그러나 발파진동측정에 대한 통일적인 방법이나 지침이 없기 때문에 현장실무에서 측정방법이나 자료처리방법 등에 많은 어려움이 따르고 있다. 따라서 ISEE의 발파진동측정을 위한 실무지침을 중심으로 진동계측자료가 신뢰성을 보장하기 위한 작업의 일환으로 발파진동 측정시 고려해야 할 사항들에 대해 고찰함으로써 발파진동 측정방법에 대한 이해를 높이고자 한다.

Establishing a Standard Work Guideline for Safe Blasting (발파작업 표준 안전작업지침에 대한 개선안)

  • Kim, Hee-Do;Lee, Joon-Won
    • Explosives and Blasting
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    • v.32 no.1
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    • pp.23-30
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    • 2014
  • The overall management for explosives in domestic and regulation for blasting is managed by the control Act of guns, sword, explosives etc. On the details for handling and method, delivery, storage, use and management for explosives and work safety for the accident prevention is recommended to the related business site through Standard safety work guideline of blasting which set by safety & health 27 Act handling. In this study, It reviews the standard safety work guideline of blasting notified by Ministry of employment & labor. We propose the new products introduced into domestic explosives market, definition of explosives word when the newest blasting technology is revised, emulsion explosives, bulk explosives and electronic detonators which increased in the latest. Indeed, We propose a typical handling method of non-electric detonator and electronic in order to make the renewed Standard safety work guideline of Blasting on work guideline.

Validity of the Attenuation Equation of MOCT Guide Line for Surface Rock Blasting (암발파 잠정지침 발파진동 추정식의 타당성)

  • Choi Mi-Jin;Yang Hyung-Sik
    • Tunnel and Underground Space
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    • v.16 no.2 s.61
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    • pp.189-193
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    • 2006
  • Guide line for rock blasting design of the MOCT(Ministry of Construction and Transportation) adopts attenuation equation of du Pont company for blasting vibration. In this paper the validity of the equation is studied by comparing with several equations of Dowding, Devine and author's induced from the domestic vibration data. The equation is inadequately used and predicted values are proved to be underestimated and causes vibration problems.

Study on Establishing a Blast Guideline for Securing an Underground Crusher Room from Ground Vibrations (지하 조쇄실의 진동 안정성 확보를 위한 발파지침 수립 연구)

  • Choi, Byung-Hee;Ryu, Chang-Ha;Kim, Hyun-Woo;Kang, Myoung-Soo
    • Explosives and Blasting
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    • v.33 no.2
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    • pp.15-24
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    • 2015
  • In general, blast vibrations could make underground cavern unstable by causing relative movements between the surrounding rock blocks that are divided by discontinuities such as joints and faults around the cavern. In the study, a blast guideline was established to obtain the stability of a large-scale cavern for underground crusher room in an open pit limestone mine in Korea. The guideline was suggested in the form of a standard calculation method of the maximum charge per delay for a safe blast. The allowable level of peak particle velocity for the cavern was determined based on the result of a numerical analysis using FLAC2D. The ground vibration data required for the study was obtained from field measurements.

Review of the History of Vibration Controlled Blasting Method and its Future Applicability (진동제어발파공법의 변천과정과 적용 전망에 관한 연구)

  • Ahn, Myung-Seog;Shin, Chang-Yong
    • Explosives and Blasting
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    • v.27 no.1
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    • pp.53-61
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    • 2009
  • R.O.K's explosive manufacturing source was first black powder (B.P) introduced into Korea Dynasty from China. In 1890, black powder was first used for mining blasting in Masan. Nowadays, a vibration control blasting method using the emulsion explosive has been applid to explosive demolition of building structure, subway and road construction sites. In December, 2006, Korean Government and professional society (KSEE) established the blasting guidelines of Modern Vibration Controlled Blasting Method (MVCBM) which is an unprecedented in the world.