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The Application of Polymers for Rock Bonding and Reinforcement of Coal Mine Structures.

Authors
Raff-RV; Subramanian-RV; Austin-HF
Source
NTIS: PB/240-413 :198 pages
Link
NIOSHTIC No.
10001046
Abstract
This research was undertaken to select polymeric materials suitable for use in coal mines to bond cracks, voids, and fissures in the roof and to function as a permanent support. No one material was found to satisfy all the requirements, but existing materials were modified to provide reasonable viscosities, gel and cure times, strength, and elongation. One modified epoxy resin system developed under this grant has been approved for use in underground coal mines and was successfully field tested in a West Virginia coal mine.
Publication Date
19730101
Document Type
CP; Final Contract Report;
Fiscal Year
1973
NTIS Accession No.
PB-240413
NTIS Price
A10
Identifying No.
OFR 15-75
NIOSH Division
SRC;
Source Name
NTIS: PB/240-413
State
WA; WV;
Performing Organization
Washington State University
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