Gateroad Design in Overlying Multi-Seam Mines

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dc.contributor.authorLuo, JunLuen
dc.contributor.committeechairHaycocks, Christopheren
dc.contributor.committeememberLuttrell, Gerald H.en
dc.contributor.committeememberKarmis, Michael E.en
dc.contributor.departmentMining and Minerals Engineeringen
dc.date.accessioned2014-03-14T20:51:05Zen
dc.date.adate1997-05-02en
dc.date.available2014-03-14T20:51:05Zen
dc.date.issued1997-05-02en
dc.date.rdate1997-05-02en
dc.date.sdate1998-07-18en
dc.description.abstractThere are two major design problems for upper seam longwall gateroads operating in a multi-seam environment. The first is to determine the location, magnitude and duration of stress transferred from lower seam mines; and the second is to predict the effect of stress transferred from lower seam mines on opening stability. To solve these problems for both longwall and room-and-pillar mines, case study data were collected and analyzed to develop empirical models predicting upper seam damage created by mining activities in the lower seam. Analysis showed vertical movement in the upper seam and roof CMRR (Coal Mine Roof Rating) to be the controlling factors in damage prediction and, therefore, gateroad planning and design. The relationship between the predicted damage rating and the gateroad stability was established and quantified. To simplify the application of design procedures developed for longwall gateroad systems, the criteria were incorporated in a Windows-based, multi-interface software , UGLY (Upperseam Gateroad Longwall Stability). The programming language was Visual Basic, and the program's design capabilities were validated and demonstrated using case study data.en
dc.description.degreeMaster of Scienceen
dc.identifier.otheretd-2250112849731471en
dc.identifier.sourceurlhttp://scholar.lib.vt.edu/theses/available/etd-2250112849731471/en
dc.identifier.urihttp://hdl.handle.net/10919/36553en
dc.publisherVirginia Techen
dc.relation.haspartetd.pdfen
dc.relation.haspartThesis.pdfen
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subjectchain pillaren
dc.subjectgateroaden
dc.subjectoverminingen
dc.subjectlongwallen
dc.subjectdamage ratingen
dc.subjectCMRRen
dc.titleGateroad Design in Overlying Multi-Seam Minesen
dc.typeThesisen
thesis.degree.disciplineMining and Minerals Engineeringen
thesis.degree.grantorVirginia Polytechnic Institute and State Universityen
thesis.degree.levelmastersen
thesis.degree.nameMaster of Scienceen

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