The Prediction and Occurrence of Chimney Subsidence in Southwestern Pennsylvania

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dc.contributor.authorDyne, Laura Anneen
dc.contributor.committeechairLuttrell, Gerald H.en
dc.contributor.committeememberCraynon, John Raymonden
dc.contributor.committeememberHaycocks, Christopheren
dc.contributor.committeememberKarmis, Michael E.en
dc.contributor.departmentMining and Minerals Engineeringen
dc.coverage.statePennsylvaniaen
dc.date.accessioned2014-03-14T20:32:16Zen
dc.date.adate1998-01-27en
dc.date.available2014-03-14T20:32:16Zen
dc.date.issued1998-01-23en
dc.date.rdate1998-01-27en
dc.date.sdate1998-01-23en
dc.description.abstractCoal mining in Pennsylvania has long been an important factor in the economic development of the commonwealth. However, the mines abandoned before today's strict environmental regulations have degraded over half of Pennsylvania's counties. Subsidence incidents, known as chimney caves, are in the form of sinkholes and develop above abandoned room-and-pillar mines. Chimney caving is the most dominant type of subsidence in southwestern Pennsylvania, yet there are no accurate means available to predict their occurrences. Therefore, an investigation has been conducted in order to develop a set of engineering criteria, or an equation, to predict such occurrences. Through conducting sand model experiments and through the collection of a chimney subsidence incident database, such an equation was derived, and verified using actual field data.en
dc.description.degreeMaster of Scienceen
dc.identifier.otheretd-02698-141841en
dc.identifier.sourceurlhttp://scholar.lib.vt.edu/theses/available/etd-02698-141841/en
dc.identifier.urihttp://hdl.handle.net/10919/31383en
dc.publisherVirginia Techen
dc.relation.haspartetd.PDFen
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subjectPennsylvaniaen
dc.subjectsubsidenceen
dc.subjectchimneyen
dc.titleThe Prediction and Occurrence of Chimney Subsidence in Southwestern Pennsylvaniaen
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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