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Engineering and Economic Evaluation of New Mining Concepts for Hard Rock Deep Bedded Deposits.

Authors
Jaffe-M; Abel-JF; Freeman-AW; Et Al
Source
NTIS: PB/274-391 Available for Reference At Bureau Libraries :273 pages
Link
NIOSHTIC No.
10001590
Abstract
The data developed in this study establishes the technical and economic feasibility as well as the improved health and safety characteristics of a novel mining concept. This concept is a modified longwall technique using prestressed tendons for roof control, longhole blasting for fragmentation, and remote mucking. The technical feasibility was found to be dependent upon the state- of-the-art, while economic feasibility was found to be dependent upon particular minerals and upon supply and demand. Since these two conditions are not necessarily coincident in time, the data are presented in the report in a manner that enables the mining engineer to perform a rapid preliminary technical and economic analysis for a specific property.
Publication Date
19770101
Document Type
CP; Final Contract Report;
Fiscal Year
1977
NTIS Accession No.
PB-274391
NTIS Price
A13
Identifying No.
OFR 152-77
NIOSH Division
TCRC;
Source Name
NTIS: PB/274-391 Available for Reference At Bureau Libraries
Performing Organization
Applied Engineering Res. Inc.
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