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Article: Identification of interface of earth fill with weathered granite in site investigation of Hong Kong

TitleIdentification of interface of earth fill with weathered granite in site investigation of Hong Kong
Authors
KeywordsFill soil
Identification of geotechnical interface
Instrumented drilling system
Penetrating parameter
Weathered granite
Issue Date2007
Publisher《巖土工程學報》編輯部. The Journal's web site is located at http://218.241.156.197/Jwk_ytgcxb/CN/column/column11.shtml
Citation
Yantu Gongcheng Xuebao/Chinese Journal Of Geotechnical Engineering, 2007, v. 29 n. 2, p. 169-173 How to Cite?
AbstractA hydraulic rotary drillrig instrumented with a drilling process monitoring system (DPM) was used in site investigation of Hong Kong. The penetrating parameters such as effective thrust force, rotational speed, flushing pressure, penetrating rate and displacement of the bit were monitored in real time. A varying slope was defined as a significant index for identification of dominative and subsidiary interfaces in the granite site. It was shown by the result of t-test that the confidence of the DPM in identification of the geotechnical interfaces was 99%. Besides, the analysis of variation of the penetrating parameters on the interfaces indicated that there were different fluctuations on the interfaces in the variation of the parameters with borehole depth. The response degree of the effective thrust force and the penetrating rate to variation of rock strength at the interfaces was 81.82%.
Persistent Identifierhttp://hdl.handle.net/10722/71623
ISSN
2015 SCImago Journal Rankings: 0.781
References

 

DC FieldValueLanguage
dc.contributor.authorTan, ZYen_HK
dc.contributor.authorCai, MFen_HK
dc.contributor.authorYue, ZQen_HK
dc.contributor.authorTham, LGen_HK
dc.contributor.authorLee, CFen_HK
dc.date.accessioned2010-09-06T06:33:40Z-
dc.date.available2010-09-06T06:33:40Z-
dc.date.issued2007en_HK
dc.identifier.citationYantu Gongcheng Xuebao/Chinese Journal Of Geotechnical Engineering, 2007, v. 29 n. 2, p. 169-173en_HK
dc.identifier.issn1000-4548en_HK
dc.identifier.urihttp://hdl.handle.net/10722/71623-
dc.description.abstractA hydraulic rotary drillrig instrumented with a drilling process monitoring system (DPM) was used in site investigation of Hong Kong. The penetrating parameters such as effective thrust force, rotational speed, flushing pressure, penetrating rate and displacement of the bit were monitored in real time. A varying slope was defined as a significant index for identification of dominative and subsidiary interfaces in the granite site. It was shown by the result of t-test that the confidence of the DPM in identification of the geotechnical interfaces was 99%. Besides, the analysis of variation of the penetrating parameters on the interfaces indicated that there were different fluctuations on the interfaces in the variation of the parameters with borehole depth. The response degree of the effective thrust force and the penetrating rate to variation of rock strength at the interfaces was 81.82%.en_HK
dc.languageengen_HK
dc.publisher《巖土工程學報》編輯部. The Journal's web site is located at http://218.241.156.197/Jwk_ytgcxb/CN/column/column11.shtmlen_HK
dc.relation.ispartofYantu Gongcheng Xuebao/Chinese Journal of Geotechnical Engineeringen_HK
dc.subjectFill soilen_HK
dc.subjectIdentification of geotechnical interfaceen_HK
dc.subjectInstrumented drilling systemen_HK
dc.subjectPenetrating parameteren_HK
dc.subjectWeathered graniteen_HK
dc.titleIdentification of interface of earth fill with weathered granite in site investigation of Hong Kongen_HK
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_subscribed_fulltext-
dc.identifier.scopuseid_2-s2.0-34047238450en_HK
dc.identifier.hkuros149783en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-34047238450&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume29en_HK
dc.identifier.issue2en_HK
dc.identifier.spage169en_HK
dc.identifier.epage173en_HK
dc.publisher.placeChinaen_HK
dc.identifier.scopusauthoridTan, ZY=8645561200en_HK
dc.identifier.scopusauthoridCai, MF=7202863439en_HK
dc.identifier.scopusauthoridYue, ZQ=7102782735en_HK
dc.identifier.scopusauthoridTham, LG=7006213628en_HK
dc.identifier.scopusauthoridLee, CF=8068602600en_HK

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