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drilling and blasting

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

ISEE explosives and blasting conference canceled

The annual International Society of Explosives Engineers (ISEE) event, which was scheduled for February 2020, will no longer take place due to the pandemic. Keep Reading

An underground drill jumbo is an example of percussive drilling. The first mechanized percussive drill was invented in 1844 using compressed air to apply the percussive load to strike the drill. Photo: AcademyBlasting.com

Blasting Through the Ages: A brief history of drilling

P&Q debuts a four-part series with a reflection on drilling’s centuries-old history and an exploration of exciting technology to come. Keep Reading

The new Leopard DI650i DTH drill rig at ConExpo-Con/Agg 2020. Photo: P&Q Staff

Reducing drill maintenance to new minimums

As seen at ConExpo-Con/Agg 2020, equipment manufacturers are simplifying drill rig design to the benefit of quarry maintenance operations. Keep Reading

Brunner & Lay is now offering a variety of straight hole drilling tools in the form of guide rods, guide/pilot tubes and shoulder-driven drill tubes. Photo courtesy of Brunner & Lay

Brunner & Lay offering variety of straight hole drilling tools

Brunner & Lay will be promoting its straight hole drilling tools at the upcoming ConExpo-Con/Agg. Keep Reading

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

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