On the following pages you will find real world success stories highlighting the work Dyno Nobel has done to deliver innovative products and groundbreaking performance for our customers. For more information on any case study or for technical assistance, please email us at firstname.lastname@example.org
3D Face Profiling
This quarry operation in Eastern Canada requested load and shoot services through Dyno Nobel to include face profiling in order to ensure safe and optimal control of the free face.
3D Profile and Boretrak Used for Difficult Shot
This limestone quarry in the Eastern US is set up directly next to a main country road. The quarry is small in itself and the blasting is spaced throughout the year. The patterns for this quarry vary depending on where they are shooting. The main concern for this quarry is fragmentation and keeping all the rock inside of the quarry.
50% Blasting Cycle Efficiency Improvement
Electronic detonation has transformed production efficiency at Newcrest’s underground Cracow Mine in central Queensland. Increased accuracy allowed firing of much larger blasts. The production benefits were tangible and the system reduced exposure of charge crews to the hazards of working next to a stope void.
Achieving Economic and Safety Benefits at the Development Face
This trial at the Newmont/Byrnecut Invicta Mine proved that the direct cost of charging development faces using emulsion was similar to that of ANFO with a comparable rate of advance, but with a lower overall total cost of advance.
Adjusting Design for Plant Facing Shot
This limestone quarry in the Eastern U.S. has been using an internal pattern of 16 x 18 feet with an inverted pattern of 18 x 16 feet on the front row. This quarry has many neighbors located around it and the plant and mine structures are located close to the pit. Fragmentation and vibration have been the key points to this quarry.
Angled Holes Used to Blast Excess Burden
Evaluation needed for appropriate burden on angled holes
Application Technology - 3D Blast Modeling
The results of the HSBM 3D Blast Model analysis showed the blast pattern proposed by the DynoConsult would allow no fly to leave the blast area at this Midwest USA iron mine. Based on the results of the blast modeling the blast pattern was employed in the field. As predicted by the HSBM 3D Blast Model analysis no flyrock entered the lake and no material left the blast site.
Black Star Powers Ahead in Safety and Efficiency using Electronic Initiation
In March 2010, Black Star Mine decided to move from NONEL® pyrotechnic initiation systems to SmartShot® electronic detonators. This change eliminated unknown misfires and associated safety risks, improved the drill and blast processes, and provided complete visibility throughout the blasting cycle.
Blast Design Changes to Accommodate Poor Geology
This Granite Quarry in the Carolinas had poor geology, resulting in excessive back-break and requiring either paired holes, reduced front row spacing or angle holes and was further complicated by neighboring homes within 750 fee of the shot area. Previous shots were resulting in concerns from neighbors and peak particle velocity values approaching the NC DNR limit. After the changes made by DynoConsult seismic results were excellent, with a significant reduction in recorded peak particle velocity and all channels showing a frequency spectra about 70 Hz. Back-break was reduced and the overall breakage was good. No complaints were received on this blast.
The engineering team at Panoramic Resources found that with proper shot design, greatly improved fragmentation, with correspondingly less over-break, is achievable in addition to minimizing damaging ground vibration.