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Tag: Dr. Calvin J. Konya

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 Anthony Konya and Dr. Calvin J. Konya

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

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 Dr. Calvin J. Konya and Anthony Konya

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.

Photo courtesy of iStock.com/Thomas_Moore

Resolving explosives inefficiency

May 15, 2017By Anthony Konya and Dr. Calvin J. Konya

Get a rundown on the use of proper stemming for decreasing noise and increasing fragmentation in blasting.