New course is comming on July 2026
Part 1. Flyrock Control: Main Rules, Energy Management, and Surface Protection in Blasting Operations
Part 1. Flyrock Control: Main Rules, Energy Management, and Surface Protection in Blasting Operations Petr Explosives Group (PEG) “Blasting mats are NOT protection — good blast design is.” In a…
What Determines How Heavy the Blasting Mats Must Be?
What Determines How Heavy the Blasting Mats Must Be? A Practical Guide from Petr Explosives Group – PEG Style Now that you know how many mats you need for coverage…
How to Estimate Blasting Mat Coverage and Required Mat Weight
We have many discussions in our Practical Explosives Training School (PETS) classes about how to calculate or/and/or estimate blasting mat coverage. One of the questions we hear most often from…
Why Are There So Many Burden and Spacing Methods in Blasting?
Understanding the Engineering Behind Blast Design Students entering the explosives industry are often surprised by the many formulas for calculating burden and spacing. American textbooks present one set of rules,…
Flyrock in Blasting: Causes, Calculations, and Practical Control Methods
Flyrock in Blasting: Causes, Calculations, and Practical Control Methods Flyrock is one of the most serious hazards associated with blasting operations. It occurs when fragments of rock are ejected outside…
Why and How We Use Inert Decking in Surface Blasting?
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