Conference Proceedings
EXPLO 99
Conference Proceedings
EXPLO 99
Improved Blasting Characteristics Using Modified LDAN Technology
It is common practice to include microspheres or similar density reducing agents in inherently insensitive water-based commercial explosives to achieve detonative sensitivity in the absence of chemical sensitisation. It has recently become possible to similarly include microspheres in LDAN (low density ammonium nitrate). Further to previous studies and publications to determine the benefits resulting from the use of microsphere enhanced LDAN technology in blasting, additional advantages are described in this document. These include range tests at independent testing facilities (Universal Tech Corporation - USA) which reflect results observed in the field, and support theoretical assumptions made when the products were introduced. Additionally, on-site studies in opencast pits using Heavy-ANFO blends incorporating modified LDAN, show that monetary savings can be realised through significant advantages gained in plant throughput and explosives use.
Contributor(s):
M Delagey, C Deacon
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- Published: 1999
- PDF Size: 0.456 Mb.
- Unique ID: P199905032