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drilling and blasting

The UJ440i is fitted with the Sandvik CJ412 jaw. Photo courtesy of Sandvik Mining & Rock Technology

Sandvik set to debut variety of tech at ConExpo-Con/Agg 2020

Sandvik Mining & Rock Technology plans to showcase its next-generation equipment and services at the upcoming trade show. Keep Reading

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

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

Cat says the DTH hammer's valved design, Cat says, provides reliable operation, low air consumption, easier maintenance and cost effective rebuild. Photo courtesy of Cat.

Caterpillar debuts hammers, bits for blasthole drilling

Cat released down-the-hole hammers and bits designed for severe blasthole drilling applications that improve on operation and maintenance. Keep Reading

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

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

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

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

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

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. Keep Reading

Photo courtesy of WipWare

Easily corrected blasting deficiencies

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

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

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

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

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

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