The Journal of Explosives Engineering - May/June 2022 - 2

The Journal of
EXPLOSIVES
ENGINEERING
FEATURES
6
Reactive Ground Blast
Management in a South
Unexpected and highly
reactive ground conditions
were recently
experienced at a large
open-pit zinc mine in
the Northern Cape of
South Africa. This article
discusses the process,
testing, problems and
solutions.
Africa Open Pit Zinc
Mine
26
Foundation News
Auction and clay
shoot events held at
ISEE's annual conference
in Las Vegas.
28 34 37
Blasting Near a
Crusher
In order to mine
additional taconite
reserves, the mine
operator desired to
blast two benches
near mine structures.
Recommendations on
how to drill and load
the blastholes were
made so that there
would be no flyrock
and minimal blast
vibrations.
Safety Talk
Limiting nitroglycerine
exposure in blasting
operations.
29th Annual Photo
Contest
Peruvian Mining
On the Cover: Large open-pit zinc mine in the Northern
Cape of South Africa. See story page 6.
DEPARTMENTS
4
From the Executive
Director
2
16
Industry News
News from the
explosives industry
including the Ohio
Drill & Blast
Conference.
20 22 36
Calendar of Events
A list of upcoming
events in the
explosives industry.
Explosives,
100 Years Ago,
More or Less
Dumorite by DuPont.
Regulatory Update
Update on binaries in
New York State
Copyright ©2022 Society of Explosives Engineers, Inc., dba International Society of Explosives Engineers
The Journal of Explosives Engineering, published six times per year, is the official publication of the International Society of Explosives Engineers. The Society is not responsible for opinions
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Since the information is unique and because each job site is different, information presented in this Journal may not apply to your specific field situation. Readers are cautioned to carefully
consider ideas presented and decide for themselves if the procedures described are safe and appropriate for the intended use. The International Society of Explosives Engineers cannot
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The Journal of Explosives Engineering
May/June 2022

The Journal of Explosives Engineering - May/June 2022

Table of Contents for the Digital Edition of The Journal of Explosives Engineering - May/June 2022