Bibliographic Citation
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Title | Effectiveness of inclined roof bolts in coal mines. Final report, 28 Jun 77-27 Jun 78 |
Creator/Author | Singh, M.M. |
Publication Date | 1978 Jul 01 |
OSTI Identifier | OSTI ID: 7070786 |
Report Number(s) | PB-80-167430 |
DOE Contract Number | J0275031 |
Resource Type | Technical Report |
Research Org | Engineers International, Inc., Downers Grove, IL (USA) |
Subject | 012000 -- Coal, Lignite, & Peat-- Mining; ;ROOF BOLTS-- FIELD TESTS;UNDERGROUND MINING-- STRATA CONTROL; COAL MINES;GEOLOGIC STRUCTURES;ROCK MECHANICS;ROOM AND PILLAR MINING |
Related Subject | EQUIPMENT;MECHANICS;MINES;MINING;MINING EQUIPMENT;TESTING;UNDERGROUND MINING |
Description/Abstract | This report presents the results of an investigation of inclined roof bolts, anchored over pillars, in room-and-pillar coal mines susceptible to shear failures of the roof.^Although the field data do not support this contention, it is believed on the basis of analyses and other work that inclined roof bolts do offer potential under some circumstances. |
Country of Publication | United States |
Language | English |
Format | Pages: 115 |
Availability | NTIS, PC A06/MF A01. |
System Entry Date | 2001 May 13 |
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