Performance analysis of drilling machines using rock modulus ratio

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dc.contributor.authorKahraman S.
dc.date.accessioned2019-08-01T13:38:39Z
dc.date.available2019-08-01T13:38:39Z
dc.date.issued2003
dc.departmentNiğde ÖHÜ
dc.description.abstractThe correlations between the modulus ratio and penetration rate of rotary and percussive drills were statistically investigated using the raw data obtained from the experimental works of different researchers. An inverse power law was found between the modulus ratio and the penetration rate of rotary and diamond drills. The penetration rate of rotary drills and diamond drills decrease with an increasing modulus ratio. The penetration rates of percussive drills increase with an increasing modulus ratio. There are significant linear correlations between the penetration rates of percussive drills and the modulus ratio. In one of the cases of percussive drilling a strong correlation between the penetration rate and the modulus ratio was found for the rocks having a porosity value lower 1.23 %. It can be concluded that the modulus ratio might be a representative measure of rock drilling efficiency. However, further study is necessary to check the validity of the derived equations for other rock types. The effect of porosity on the correlations between the modulas ratio and penetration rate needs to be further investigated.
dc.identifier.endpage522
dc.identifier.issn0038223X
dc.identifier.issue8
dc.identifier.scopus2-s2.0-0346884141
dc.identifier.scopusqualityN/A
dc.identifier.startpage515
dc.identifier.urihttps://hdl.handle.net/11480/1333
dc.identifier.volume103
dc.identifier.wosWOS:000188204400008
dc.identifier.wosqualityQ4
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.institutionauthorKahraman S.
dc.language.isoen
dc.relation.ispartofJournal of The South African Institute of Mining and Metallurgy
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.titlePerformance analysis of drilling machines using rock modulus ratio
dc.typeArticle

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