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Analysis of Stress Waves Induced from Single Hole Stemmed Blasts.

Authors
Cowan-BW; Otuonye-FO; Ligon-JB
Source
MISSING :6 pages
Link
NIOSHTIC No.
10005893
Abstract
This report describes a study of the effects of stemming on wave magnitude during blasting in underground mines. Two factors considered were the effects of changing the blast location on the face, and the repeated blasting on a single face. In addition, a laboratory study conducted on polymer models of a mine opening to compare stemmed and nonstemmed blasts showed that stemmed blasts produce lower energy waves than nonstemmed blasts.
Publication Date
19870101
Fiscal Year
1987
NTIS Accession No.
NTIS Price
Identifying No.
MIR 19-87
Source Name
MISSING
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