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Tag: Anthony Konya

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Blasting: The story of breaking rock

September 11, 2020By

The final chapter in P&Q’s special series offers a history of blast design and what’s ahead to optimize quarry blasting.

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As early as 1833, drilling and blasting companies produced memos discussing the safety fuse and companywide adoption. Photo: DNY59/iStock / Getty Images Plus/Getty Images

Blasting Through the Ages: The evolution of initiation systems

August 5, 2020By

Step through time and observe how miners of the past initiated blasts, as well as how initiation systems became safer and more reliable.

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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

June 11, 2020By

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

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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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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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Today’s commercial explosives are compound mixtures that contain carbon, hydrogen, oxygen and nitrogen. Photo: iStock.com/Pattadis Walarput

Blasting mechanics revisited: Characteristics of explosives

March 20, 2019By and

This feature story explores modern blasting products, including the function and selection of explosives based on properties and cost for your blasting process.

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After decades of experimentation, blasters today have a good understanding of the key components to an effective blast. Photo: Kevin Yanik

Blasting Mechanics Revisited: The mechanics of rock breakage

January 28, 2019By and

Part 1 of a four-part Pit & Quarry series reflects on practical blasting concepts put forth more than a half-century ago, and how they remain highly relevant to aggregate producers today.

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Students learn about cap hook-ups at Missouri S&T. Photo courtesy of Anthony Konya

Training tomorrow’s leaders to work safely

October 22, 2018By , and

The University of Missouri Science & Technology puts the art of experiential learning into effect for the next generation of engineers and supervisors.

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