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2020 / 2021 Edition

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Drilling & Blasting

02 February 2004 | Drilling & Blasting
Independent test results of a new blasting techniqueIn a conventional quarry blast gas pressure is immediately relieved through the top of the shot, greatly increasing the potential for airblast and...
03 March 2003 | Drilling & Blasting
How to deal effectively with airblast/vibration complaintsToday’s quarry operators face considerably greater responsibilities and liabilities than ever before. With reference to figure 1, an operator...
03 March 2003 | Drilling & Blasting
Phil Robinson of Exchem Explosives’ technical service department recalls one of his more unusual shotfiring training courses When an enquiry came in to run a quarry shotfiring training course on St...
Tagged in: Exchem
01 May 2002 | Drilling & Blasting
WCD Sleeman & Sons choose Atlas Copco drill rigsFrom their base in Frome in the West Country, WCD Sleeman & Sons Ltd supply drilling and blasting services to a total of 18 quarries in...
01 May 2002 | Drilling & Blasting
Another performance aspect in primary blastingSome years on from its first widespread use in the quarrying industry, there is now little doubt that laser profiling of free rock faces in quarrying...
Tagged in: Orica
01 May 2002 | Drilling & Blasting
The use of modern technology to measure blast performance by Rob FarnfieldThe last decade has seen many developments in the field of blast performance monitoring. The Technical Services Department of...
Tagged in: Exchem
01 May 2002 | Drilling & Blasting
The impact of correct drill rig selection on downstream processes Quarrying as a process comprises a number of consecutive sub-processes — drilling, blasting, secondary breaking, loading,...
Tagged in: Drilling