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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 Date1978 Jul 01
OSTI IdentifierOSTI ID: 7070786
Report Number(s)PB-80-167430
DOE Contract NumberJ0275031
Resource TypeTechnical Report
Research OrgEngineers International, Inc., Downers Grove, IL (USA)
Subject012000 -- Coal, Lignite, & Peat-- Mining; ;ROOF BOLTS-- FIELD TESTS;UNDERGROUND MINING-- STRATA CONTROL; COAL MINES;GEOLOGIC STRUCTURES;ROCK MECHANICS;ROOM AND PILLAR MINING
Related SubjectEQUIPMENT;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 PublicationUnited States
LanguageEnglish
FormatPages: 115
AvailabilityNTIS, PC A06/MF A01.
System Entry Date2001 May 13

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