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Capturing Slope Data
Author(s):
Karl Llewelyn
Date:
Wednesday, September 30, 2015
First presented:
Mining Magazine
Type:
Published paper
Category:
Geotechnical
Photogrammetry is a remote data capture system that uses digital photogrammetry to produce accurate 3D structural models of mine features. Karl Llewelyn, a geotechnical engineer from SRK UK, explains how photogrammetric mapping can be used for pit slope angle optimisation. SRK was able to recommend an increase in the current pit slope angle configurations. In order to recommend these increased slope angles, it was highlighted to the client that pre-split blasting would need to be introduced to its mining practices. This would reduce the size of the zone of blast damage into the rock mass and decrease the likelihood of degradation of the bench faces, which stops the berms from filling with failure material and making them more effective to prevent rock falls.
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