Open-pit overburden dump characterization using digital image processing technique
1
Department of Mining Engineering, IIT (ISM), India
Corresponding author
Mining Science 2024;31:81-101
KEYWORDS
TOPICS
ABSTRACT
The safety of the open-pit overburden dump slope largely depends on the geomaterial size and shape. The shape of these geomaterials contributes to their shear resistance against sliding. The present investigation proposed a method to characterize the geomaterial using the digital image processing technique. The resources invested in this work are a simple digital camera and a computational toolbox. The system estimates the size distribution of geomaterial. The study also proposed a methodology for reconstructing the 3D geometry of the mine dump from the images. The advantage of the method is a low-cost, quick assessment of the dump geomaterial, and outcomes can easily be used in a numerical toolbox. The study was conducted in Barakar Valley Coalfields, West Bengal, India. The geomaterials above 4 mm sizes are considered in this work. The results matched the mechanical sieving output of the particle size distribution curve.
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| eISSN: | 2353-5423 |
| ISSN: | 2300-9586 |
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