The Journal of the Petrological Society of Korea (암석학회지)

The Petrological Society of Korea (한국암석학회)
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Evaluation of the Quality of the Underground Dimension Stones -The Example of the Granite Quarry in the Geochang Area-

지하심부 석재자원의 품질평가 - 거창지역 화강암 석재석산의 예 -

  • Hong, Sei Sun (Quaternary Geology Department, Korea Institute of Geoscience and Mineral Resources) ;
  • Lee, Choon Oh (Geological Hazards Department, Korea Institute of Geoscience and Mineral Resources) ;
  • Lee, Jin Young (Quaternary Geology Department, Korea Institute of Geoscience and Mineral Resources) ;
  • Kim, Yu Seong (Soam Consultant Co., Ltd.)
  • 홍세선 (한국지질자원연구원 제4기지질연구실) ;
  • 이춘오 (한국지질자원연구원 지질재해연구실) ;
  • 이진영 (한국지질자원연구원 제4기지질연구실) ;
  • 김유성 (소암컨설턴트)
  • Received : 2015.07.21
  • Accepted : 2015.08.10
  • Published : 2015.09.30
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Abstract

This research are systematic and scientific approaches to obtain the distribution, occurrence and quality of granite stone for building purposes. The process of dimension stone exploration must be carried out to know the underground potentiality of granitic body using the basic data collection and study, field mapping, detailed drilling survey, televiewer technique, and physical and chemical tests in the Geochang area. Televiewer data obtained in drilling boreholes can be accurately distinguished from the discontinuous face, strike and inclination, extension which is difficult to obtain in a core logging. 3D joint images will be helpful to establish a quarry exploitation plan because the 3D joint images give quite accurate information down to depth below the outcrop surface. Through the process of the quality estimation on the Geochang site, the proven reserve estimated as dimensional building stone are calculated with good quality in petrologic and physical properties.

이번 연구에서는 체계적이며, 과학적인 탐사방법을 사용하여, 암체별로 석재대상 암반의 열극 측정과 해석으로 그 발달방향, 블록의 예상크기 및 규격석의 산출을 예측하는 방법을 제시하고자 하였다. 시추탐사에서 얻어진 시추공에 대한 텔레뷰어 탐사는 시추 코아 자료에서는 획득하기가 어려운 각종 불연속면(단층, 절리 및 균열 등)의 정확한 경사방향, 경사각 및 연장 상태에 대한 정보를 정확하게 구현할 수 있으며, 이들을 종합하여 삼차원적인 절리의 발달 상태를 예측할 수 있다. 또한 절리 연장상태가 고려된 절리구조 3차원 입체 영상에서는 석산 내 어느 지역에 절리 분포 상황을 전체적으로 파악할 수 있기 때문에 석산 개발 계획 수립을 위해 바람직한 자료가 될 것으로 판단된다. 이 연구에서는 거창지역의 석산을 대상으로 지하 심부의 절리의 연장상태를 예측하는 방법을 이용하여 석재암반에 대한 정량적인 해석을 수행하였으며, 매장량을 산출하는데 있어서 필요한 여러 요소들을 적용하여 적정한 가채물량을 추정하였다.

Keywords

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  1. Editorial : 2015, Applied petrology: Dimension stone, Aggregate, Stone cultural heritage vol.24, pp.3, 2015, https://doi.org/10.7854/JPSK.2015.24.3.149