터널과지하공간 (Tunnel and Underground Space)

  • 제23권5호
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  • Pages.353-361
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  • 2013
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  • 1225-1275(pISSN)
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  • 2287-1748(eISSN)
한국암반공학회 (Korean Society for Rock Mechanics and Rock Engineering)
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노천광산 덤프트럭의 최적 운반경로 분석을 위한 지형경사가 고려된 벡터 네트워크 자료의 생성 방법

Creation of Vector Network Data with Considering Terrain Gradient for Analyzing Optimal Haulage Routes of Dump Trucks in Open Pit Mines

  • 박보영 (부경대학교 환경해양대학 에너지 자원공학과) ;
  • 최요순 (부경대학교 환경해양대학 에너지 자원공학과) ;
  • 박한수 (대성엠디아이(주) 신소재기술연구소)
  • 투고 : 2013.10.15
  • 심사 : 2013.10.27
  • 발행 : 2013.10.31
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초록

최근까지 노천광산을 대상으로 덤프트럭의 최적 운반경로 분석을 수행한 연구들은 주로 래스터 자료를 사용하였다. 그러나 래스터 자료는 격자 해상도에 따라 운반경로가 zigzag 형태로 심하게 왜곡될 수 있으며, 경로의 위상관계를 고려할 수 없는 한계가 있다. 벡터 네트워크 자료를 사용할 경우에는 이러한 문제점들을 해결할 수 있으나, 지형경사에 따른 덤프트럭의 성능 변화 특성이 최적 운반경로 분석시 반영될 수 있도록 할 필요가 있다. 본 연구에서는 노천광산 덤프트럭의 최적 운반경로 분석을 위해 지형경사에 따른 덤프트럭의 이동속도 변화를 반영할 수 있는 벡터 네트워크 자료의 생성 방법을 제시하였다. 수치지형모델 제작, 운반도로 디지타이징, 지형 경사도 계산, 경사도를 반영한 트럭의 이동속도 및 이동시간 계산 순으로 자료의 생성 작업이 진행된다. 제시한 벡터 네트워크 자료 생성 방법의 적용성과 효과를 알아보기 위하여 인도네시아 파시르 석탄노천광산의 로또 남부 채광장을 대상으로 간단한 사례연구를 수행한 결과, 제시한 방법이 ArcGIS Network Analyst 소프트웨어와 쉽게 호환이 가능하며, 최적 운반경로 분석시 지형경사에 따른 덤프트럭의 이동속도 변화를 효과적으로 반영할 수 있음을 확인할 수 있었다.

Previous studies for analyzing optimal haulage routes of dump trucks in open pit mines mostly used raster data. However, the raster data has several problems in performing optimal route analyses: (1) the jagged appearance of haulage roads according the cell resolution often causes overestimation of the travel cost; (2) it difficult to trace the topological relationships among haulage roads. These problems can be eliminated by using vector network data, however a new method is required to reflect the performance characteristics of a dump truck according to terrain gradient changes. This study presents a new method to create vector network data with the consideration of terrain gradient for analyzing optimal haulage routes of dump trucks in open pit mines. It consists of four procedures: (a) creating digital elevation models, (b) digitizing haulage road networks, (c) calculating the terrain gradient of haulage roads, and (d) calculating the average speed and travel time of a dump truck along haulage roads. A simple case study at the Roto South pit in the Pasir open pit coal mine, Indonesia is also presented to provide proof that the proposed method is easily compatible to ArcGIS Network Analyst software and is effective in finding optimal haulage routes of dump trucks with considering terrain gradient in open pit mines.

키워드

참고문헌

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피인용 문헌

  1. Simulation of Shovel-Truck Haulage Systems in Open-pit Mines by Considering Breakdown of Trucks and Crusher Capacity vol.24, pp.1, 2014, https://doi.org/10.7474/TUS.2014.24.1.001
  2. Optimal Routes Analysis of Vehicles for Auxiliary Operations in Open-pit Mines using a Heuristic Algorithm for the Traveling Salesman Problem vol.24, pp.1, 2014, https://doi.org/10.7474/TUS.2014.24.1.011
  3. Development of a Windows-based Simulation Program for Selecting Equipments in Open-pit Shovel-Truck Haulage Systems vol.24, pp.2, 2014, https://doi.org/10.7474/TUS.2014.24.2.111
  4. Development and Utilization of Mine Management Software: A Review vol.25, pp.3, 2015, https://doi.org/10.7474/TUS.2015.25.3.221
  5. Calculation of a Diesel Vehicle's Carbon Dioxide Emissions during Haulage Operations in an Underground Mine using GIS vol.25, pp.4, 2015, https://doi.org/10.7474/TUS.2015.25.4.373
  6. BBUNS: Bluetooth Beacon-Based Underground Navigation System to Support Mine Haulage Operations vol.7, pp.12, 2017, https://doi.org/10.3390/min7110228