Tag: Calvin J. Konya

Longtime blasting educator Konya dies

December 1, 2021 By Kevin Yanik

Calvin Konya, 78, was considered a pioneer in his field, sharing his vast blasting knowledge around the world over a long and illustrious career.

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, 2019 By Anthony Konya and Dr. Calvin J. Konya

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.

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, 2019 By Anthony Konya and Dr. Calvin J. Konya

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

Blasting mechanics revisited: Blasting design standards

February 21, 2019 By Anthony Konya and Dr. Calvin J. Konya

Knowing how to control a blast’s effects is critical for your operation. Fortunately, basic principles emerged more than 50 years ago to simplify setup.

Rhythmic timing practices in drilling and blasting applications

May 25, 2018 By Anthony Konya and Dr. Calvin J. Konya

Proper design and critical timing functions should be incorporated into your method to deliver better blast results.