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Article: Study on specific energy of diamond drilling and real-time classification of weathered granite

TitleStudy on specific energy of diamond drilling and real-time classification of weathered granite
金剛石鉆進比功及風化花崗巖實時分級研究
Authors
KeywordsDiamond drilling
Granite
Real-time classification of rock
Rock mechanics
Specific energy of rotary drilling
Issue Date2007
Publisher中國岩石力學與工程學會. The Journal's web site is located at http://www.rockmech.org/CN/volumn/home.shtml
Citation
Yanshilixue Yu Gongcheng Xuebao/Chinese Journal Of Rock Mechanics And Engineering, 2007, v. 26 SUPPL. 1, p. 2907-2912 How to Cite?
巖石力學與工程學報, 2007, v. 26 n. S1, p. 2907-2912 How to Cite?
AbstractBased on the acquisition data of drilling process monitoring (DPM) system for diamond drilling in different granite grounds, specific energy of drilling and the corresponding variation characteristics with depth have been analyzed. The results show that the specific energy of diamond drilling (SEDD) increases with the decrease of weathered degree of the rock and is markedly divisional. The value of SEDD is nearly equal to that of specific energy of percussive drilling (SEPD) in moderately weathered granite. However, the value of SEDD is far less than that of SEPD in very strongly weathered granite and greater than that in slightly weathered granite. Obviously, it is reasonable to estimate SEDD by SEPD in none but moderate hard granite, which agrees with the practice of rotary drilling adaptable to the rock formation with moderate hardness or soft rocks. Finally, based on divisional property of specific energy curve with depth, combining the corresponding average value and upper threshold value of SEDD, a real-time classification approach for rock formation has been provided.
Persistent Identifierhttp://hdl.handle.net/10722/150422
ISSN
2015 SCImago Journal Rankings: 1.073
References

 

DC FieldValueLanguage
dc.contributor.authorTan, Zen_HK
dc.contributor.authorYue, ZQen_HK
dc.contributor.authorTham, LGen_HK
dc.contributor.authorLee, CFen_HK
dc.date.accessioned2012-06-26T06:04:38Z-
dc.date.available2012-06-26T06:04:38Z-
dc.date.issued2007en_HK
dc.identifier.citationYanshilixue Yu Gongcheng Xuebao/Chinese Journal Of Rock Mechanics And Engineering, 2007, v. 26 SUPPL. 1, p. 2907-2912en_HK
dc.identifier.citation巖石力學與工程學報, 2007, v. 26 n. S1, p. 2907-2912-
dc.identifier.issn1000-6915en_HK
dc.identifier.urihttp://hdl.handle.net/10722/150422-
dc.description.abstractBased on the acquisition data of drilling process monitoring (DPM) system for diamond drilling in different granite grounds, specific energy of drilling and the corresponding variation characteristics with depth have been analyzed. The results show that the specific energy of diamond drilling (SEDD) increases with the decrease of weathered degree of the rock and is markedly divisional. The value of SEDD is nearly equal to that of specific energy of percussive drilling (SEPD) in moderately weathered granite. However, the value of SEDD is far less than that of SEPD in very strongly weathered granite and greater than that in slightly weathered granite. Obviously, it is reasonable to estimate SEDD by SEPD in none but moderate hard granite, which agrees with the practice of rotary drilling adaptable to the rock formation with moderate hardness or soft rocks. Finally, based on divisional property of specific energy curve with depth, combining the corresponding average value and upper threshold value of SEDD, a real-time classification approach for rock formation has been provided.en_HK
dc.languagechien_US
dc.publisher中國岩石力學與工程學會. The Journal's web site is located at http://www.rockmech.org/CN/volumn/home.shtml-
dc.relation.ispartofYanshilixue Yu Gongcheng Xuebao/Chinese Journal of Rock Mechanics and Engineeringen_HK
dc.relation.ispartof巖石力學與工程學報-
dc.subjectDiamond drillingen_HK
dc.subjectGraniteen_HK
dc.subjectReal-time classification of rocken_HK
dc.subjectRock mechanicsen_HK
dc.subjectSpecific energy of rotary drillingen_HK
dc.titleStudy on specific energy of diamond drilling and real-time classification of weathered graniteen_HK
dc.title金剛石鉆進比功及風化花崗巖實時分級研究-
dc.typeArticleen_HK
dc.identifier.emailYue, ZQ: yueqzq@hku.hken_HK
dc.identifier.emailTham, LG: hrectlg@hku.hken_HK
dc.identifier.emailLee, CF: leecf@hkucc.hku.hken_HK
dc.identifier.authorityYue, ZQ=rp00209en_HK
dc.identifier.authorityTham, LG=rp00176en_HK
dc.identifier.authorityLee, CF=rp00139en_HK
dc.description.naturelink_to_OA_fulltexten_US
dc.identifier.scopuseid_2-s2.0-34548314452en_HK
dc.identifier.hkuros165872-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-34548314452&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume26en_HK
dc.identifier.issueSUPPL. 1en_HK
dc.identifier.spage2907en_HK
dc.identifier.epage2912en_HK
dc.publisher.placeChinaen_HK
dc.identifier.scopusauthoridTan, Z=8645561200en_HK
dc.identifier.scopusauthoridYue, ZQ=7102782735en_HK
dc.identifier.scopusauthoridTham, LG=7006213628en_HK
dc.identifier.scopusauthoridLee, CF=8068602600en_HK

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