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Design of Roof Bolt Patterns for Jointed Rock.

Authors
Wright-FD
Source
NTIS: PB/243-899 Available for Reference At Bureau Libraries :124 pages
Link
NIOSHTIC No.
10001050
Abstract
Criteria were developed for the design of roof bolt systems for coal mine roofs cut by fractures or intersecting joints. The problem was studied by mathematical finite element models and by laboratory models. Equations were developed to express relationships of such factors as horizontal formation pressures, inclination, and friction of joints, bolt loads, roof spans, and rock properties.
Publication Date
19740101
Document Type
CP; Final Contract Report;
Fiscal Year
1974
NTIS Accession No.
PB-243899
NTIS Price
A07
Identifying No.
OFR 61-75
NIOSH Division
DRC;
Source Name
NTIS: PB/243-899 Available for Reference At Bureau Libraries
State
KY;
Performing Organization
University of Kentucky
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