• Author / Uploaded
• Samir Salazar

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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

2.5 in

2.1 in

P20 Size

2.9

2.1

P50 Size

6.5

4.9

P80 Size

11.3

8.9

Top Size

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.