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Tag: Drilling & Blasting

Dyno Nobel goal was to improve and reduce fine particles smaller than 31.5 mm. Photo: iStock.com/hsvrs

Groupe-Piercon improves fragmentation with special tech

October 30, 2019By

A unique blasting technology takes the Canadian producer’s fragmentation to new heights.

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Quality Stone & Ready Mix has been utilizing a JD-1400E rock drill for about five years. Photo by Kevin Yanik

Quality Stone & Ready Mix’s approach to drilling & blasting

August 14, 2019By

Handling drilling and blasting processes internally provides crucial control to Kentucky’s Quality Stone & Ready Mix.

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If ANFO is loaded into a wet hole, the ammonium nitrate will dissolve and leave you with salt water and fuel. Photo courtesy of Enaex.

Utilizing bulk emulsions in quarry blasting

June 13, 2019By

Enaex North America’s Brandon Pease explores the opportunities emulsions offer as a water-resistant blasting agent.

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Richard Ash presented key ratios 56 years ago that could be applied throughout surface blasting conditions to give comparisons between multiple types of operations. Photo: iStock.com/Xesai

Evaluating the effectiveness of powder factor

June 12, 2019By and

Powder factor design, which does not provide any indication of breakage, muck pile characteristics or environmental considerations, is a dated approach that ultimately costs producers.

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Photo courtesy of WipWare

Easily corrected blasting deficiencies

June 11, 2019By

Equipment manufacturers offer simple measures aggregate producers can deploy to enhance their operation.

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The majority of aggregate producers who manage their own blasts do so to have a better handle on costs. Photo courtesy of Enaex.

Benchmarking your operation’s drilling & blasting process

June 10, 2019By

An exclusive P&Q survey on drilling and blasting provides aggregate producers a means to measure themselves.

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Arizona Drilling & Blasting is a division of Fisher Sand and Gravel. Photo courtesy of Pete Tramontanas.

P&Q Profile: Arizona Drilling & Blasting’s Pete Tramontanas

May 29, 2019By

P&Q’s conversation with Pete Tramontanas, the general manager of Arizona Drilling & Blasting.

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In terms of rock strength, blasts today are often designed only considering rock density because rock generally gets stronger as it gets denser. Photo: iStock.com/xtrekx

Blasting mechanics: Material properties and powder factor

April 17, 2019By and

Read about the true influence rock strength, rock structure, velocity and powder factor have on a quarry blast’s effectiveness.

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