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Vol 167 No 1
Pages:
83-85
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RUS
Research article
Mining. Ecology

Analysis of granulometric composition of blasted rock mass

Authors:
D. V. Movchan
About authors
  • Postgraduate student G.V. Plekhanov Saint Petersburg Mining Institute
Date submitted:
2005-06-22
Date accepted:
2005-07-13
Date published:
2006-01-01

Abstract

A description of carrying out automatic analysis of rock mass particle size distribution from a photograph is presented. Conducting blast analysis is a difficult problem. The most accurate method is sieve analysis, which is costly and time-consuming. Therefore, the area of its application is very limited. The most common planimetric (more often - photoplanimetric) method of assessing the granulometric composition. Photoplanimetric analysis can be automated using a personal computer (PC). The image on the PC is entered from a digital camera, it is possible to use a scanned photo, provided that it is made from a professional camera. The program pre-processes the image by selecting the contours of objects. After manual correction, each object is calculated and statistically analyzed.

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