Tag: blasting

Photo by: Kevin Yanik

P&Q University Lesson 4: Drilling & Blasting

August 28, 2019By

This Pit & Quarry University lesson focuses on drilling and blasting.

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GeoSonics/Vibra-Tech taking blasting conference to Florida

August 27, 2019By

Re:Con 2020 will be the ninth conference hosted by GeoSonics/Vibra-Tech on blasting technology.

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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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John Capers, right, served on the NFPA (National Fire Protection Association) 495 and 498 Committee on Explosives and as a technical advisor and reviewer for many publications and programs. Photo courtesy of Austin Powder

Austin Powder’s Capers honored for blasting expertise

April 22, 2019By

Technical manager John Capers was presented a special award at this year’s Ohio Drilling & Blasting Conference.

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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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