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2008 Vol.45, Issue 3 Preview Page
30 June 2008. pp. 265-275
Abstract
This study presents an application of GIS-based viewshed analysis to an open-pit mine to improve the safety of mining operations by considering the visibility effects. The proposed methodology considers the intervisibility between a viewpoint and target points on a Digital Elevation Model (DEM) and determines the set of visible target points as a viewshed area of the viewpoint. The application at the Pasir open-pit coal mine, Indonesia showed that the proposed methodology could be used to select the optimal viewpoints around the pit by evaluating the ratio of pit to viewshed area. The other application showed that the hazardous sections with limited sight distance could be effectively identified by analyzing the viewshed at the points through the center-line of a haulage route.
본 연구에서는 노천광산 개발시 시각적 영향 평가를 효과적으로 수행하기 위하여 GIS 기반의 노천광산 가시구역 분석 기법의 활용 방안을 제시하였다. GIS 기반 가시구역 분석 기법은 수치표고모델을 이용하여 관측점과 임의의 대상지점의 시통여부를 신속하게 판단할 수 있으며, 가시구역의 공간적 범위와 면적을 정량적으로 산정할 수 있는 장점이 있다. 인도네시아 파시르 노천광산에 대한 적용 결과, GIS 기반의 가시구역 분석 기법은 채굴적내 최적 관측점 선정 과정에서 효과적으로 활용될 수 있으며, 채굴적의 형태가 복잡해질수록 그 효용성이 높아지는 것을 확인할 수 있었다. 또한, 지형 기복으로 인해 가시거리가 제한될 수 있는 위험구간들을 선별함으로써 운반도로 가시거리 안전성 평가를 수행할 수 있었으며, 가시거리의 확보를 위해 현장에서 적용 가능한 지형정비 방안을 제안할 수 있었다.
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Information
  • Publisher :The Korean Society of Mineral and Energy Resources Engineers
  • Publisher(Ko) :한국자원공학회
  • Journal Title :Journal of the Korean Society for Geosystem Engineering
  • Journal Title(Ko) :한국지구시스템공학회지
  • Volume : 45
  • No :3
  • Pages :265-275