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How to predict the penetration rate of percussive drills.

Authors
Bruce-WE
Source
Min Eng 1970 Nov; 22(11):62-64
NIOSHTIC No.
10001758
Abstract
Penetration rates for the two drills were determined in nine rock types, and the physical properties of the same nine rocks were measured and tabulated. Then the penetration rates were plotted against the individual properties to determine the general relationships on which methods for predicting drilling rates could be based.
Keywords
Mining-industry; Mining-equipment
CODEN
MIENAB
Publication Date
19701101
Document Type
OP; Journal Article
Fiscal Year
1971
NTIS Accession No.
NTIS Price
Identifying No.
OP 1-71
Issue of Publication
11
ISSN
0026-5187
NIOSH Division
TCRC
Source Name
Mining Engineering
State
MN
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