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Appl. Sci. 2017, 7(7), 747; doi:10.3390/app7070747

A New Method for Haul Road Design in Open-Pit Mines to Support Efficient Truck Haulage Operations

Department of Energy Resources Engineering, Pukyong National University, Busan 608-737, Korea
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Author to whom correspondence should be addressed.
Academic Editor: Takayoshi Kobayashi
Received: 29 June 2017 / Revised: 14 July 2017 / Accepted: 20 July 2017 / Published: 23 July 2017

Abstract

The design of a haul road for an open-pit mine can significantly affect the cost associated with hauling ore and waste to the surface. This study proposes a new method for haul road design in open-pit mines to support efficient truck haulage operations. The road layout in open-pit mines was optimized by using raster-based least-cost path analysis, and the resulting zigzag road sections were simplified by applying the Douglas-Peucker algorithm. In addition, the road layout was modified by reflecting the radius of curvature suggested in the road design guides. Finally, a three-dimensional model reflecting the results of the road design was created by combining the road layout modification result with the slope of the open-pit mine and the bench design result. The application of the proposed method to an area containing gold deposits made it possible to design a haul road for open-pit mines such that it supported efficient truck haulage operations; furthermore, the time required for truck movement along the road could be estimated. The proposed method is expected to be useful for planning and designing open-pit mines and to facilitate the improvement of the road design function of existing mining software applications. View Full-Text
Keywords: haul road design; open-pit mine; least-cost path analysis; douglas-peucker algorithm; truck haulage operation haul road design; open-pit mine; least-cost path analysis; douglas-peucker algorithm; truck haulage operation
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Baek, J.; Choi, Y. A New Method for Haul Road Design in Open-Pit Mines to Support Efficient Truck Haulage Operations. Appl. Sci. 2017, 7, 747.

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