Design methodology for underground ring blasting

Onederra, I. A. and Chitombo, G. (2007) Design methodology for underground ring blasting. Mining Technology, 116 4: 180-195. doi:10.1179/174328607X282244

Author Onederra, I. A.
Chitombo, G.
Title Design methodology for underground ring blasting
Journal name Mining Technology   Check publisher's open access policy
ISSN 1743-2863
Publication date 2007-12
Sub-type Article (original research)
DOI 10.1179/174328607X282244
Volume 116
Issue 4
Start page 180
End page 195
Total pages 16
Place of publication London, UK
Publisher Maney
Language eng
Subject 091405 Mining Engineering
0914 Resources Engineering and Extractive Metallurgy
Abstract This paper discusses a systematic approach to underground ring design as well as a methodology for the continuous improvement of designs as conditions change. The methodology is applicable to designs for prefeasibility and feasibility stages as well as designs for currently producing mines. The proposed method still recognises the role of experiential guidelines but provides additional and novel empirical techniques to improve the first pass approximations such that they better suit the prevailing geotechnical conditions. The strength of this method is that the designer is able to assess the impact of the design in terms of the expected fragmentation and potential damage to the surrounding rock mass.
Keyword Blast design
Underground ring blasting
Underground mining
Underground production blasting
Q-Index Code C1

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Created: Fri, 06 Feb 2009, 09:28:25 EST by Marianne Steentsma on behalf of Faculty Of Engineering, Architecture & Info Tech