NIOSHTIC-2 Publications Search

New nonelectric explosive initiation systems.

Authors
Dick RA
Source
Pit Quarry 1976 Mar; 68(9):104-106
NIOSHTIC No.
10009892
Abstract
In blasting, an initiation system transmits energy from the shotfirer's location to the charge in the blasthole. Until recently, the blaster could choose from three basic initiation systems: (1) the total electric system, (2) cap and fuse, and (3) detonating cord systems. A fourth system, which is a variation of system 3, is an in-hole assembly consisting of a blasting cap connected to a low-energy (4 grains/ft) detonating cord downline, which in turn is connected to the detonating cord trunkline. Recent inventions will give the blaster two additional choices. One called hercudet uses an explosive gas mixture inside a network of small plastic tubing. The other, called nonel, consists of a tough plastic tube with a thin coating of explosive (0.1 Grain/ft) on the inside surface.
Keywords
Mining-industry; Blasting; Blasting agents; Blasting explosives; Detonators; Explosive gases; Explosive devices; Explosives; Coatings; Plastics
CODEN
PIQUAN
Publication Date
19760301
Document Type
OP; Journal Article
Fiscal Year
1976
Identifying No.
OP 16-76
Issue of Publication
9
ISSN
0032-0293
NIOSH Division
TCRC
Source Name
Pit & Quarry
State
MN
Page last reviewed: March 11, 2019
Content source: National Institute for Occupational Safety and Health Education and Information Division