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ISEE - Power Deck F. Chiappetta
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NEW Blasting Technique
PowerDeck Concept
By
R. Frank Chiappetta
Explosive Applications Engineer
Blasting Analysis International, Inc
Allentown, PA USA.
Objectives
Reduce Explosive Consumption
Eliminate Subgrade Drilling
Improve Fragmentation
Lower Ground Vibrations
Reduce Fines
Single Hole Control Tests
Instrumentation
Borehole Inspection Camera
TDR Based VOD Recorder
High-Speed Video Camera
Digital Fragmentation Analysis
Conventional & Laser Surveying
Digital Seismographs
Blasting Analysis International, Inc.
High-Speed Video
Full Scale Shots
Fragmentation Results
Normal PowerDeck
Combined Images 23 37
Minimum Size
P20 Size
P50 Size
P80 Size
Top Size
2.5 in 2.1 in
2.9 2.1
6.5 4.9
11.3 8.9
25.1 24.9
Fragmentation Results
PowerDeck shot reduced fragmentation by:
P20 Size 24 %
P50 Size 25 %
P80 Size 21 %
Proven Benefits Worldwide Eliminates or reduces subgrade drilling.
Reduces explosive consumption 10-50%
Reduces ground vibrations 10-75%
Increases fragmentation using less
explosives.
Decreases Fines
Blasting Analysis International, Inc.
Proven Benefits Worldwide *continued*
Decreases operating costs for:
Crusher liners
Electrical consumption
Excavation, haulage and processing equipment
Increases productivity and profitability.
Blasting Analysis International, Inc
NEW Blasting Technique
PowerDeck Concept
By
R. Frank Chiappetta
Explosive Applications Engineer
Blasting Analysis International, Inc
Allentown, PA USA.
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