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Article: Automatic monitoring of inserting or retrieving SPT sampler in drillhole
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TitleAutomatic monitoring of inserting or retrieving SPT sampler in drillhole
 
AuthorsYang, WW1 2
Yue, ZQ1
Tham, LG1
 
KeywordsTip Depth
Standard Penetration Test
Automation
Borehole
Drillhole
Management
Site investigation
 
Issue Date2012
 
PublisherASTM International. The Journal's web site is located at http://journalsip.astm.org/JOURNALS/GEOTECH/gtj%5Fhome.html
 
CitationGeotechnical Testing Journal, 2012, v. 35 n. 3, p. 420-436 [How to Cite?]
DOI: http://dx.doi.org/10.1520/GTJ103450
 
AbstractThis paper presents a new device for the automatic monitoring and measurement of drill rod and sampler depth associated with conventional standard penetration testing (SPT). The device consists of a depth tip transducer and a data logger. The transducer can be firmly mounted onto the drillhole casing on the ground surface. The data logger monitors the passing of the sampler and rods through the transducer into the drillhole during rod insertion or retrieval and therefore records the tip depth in real time. The paper presents the results of calibrations and laboratory and field trials. The test results demonstrate that the device can accurately, reliably, and automatically measure the vertical displacement, velocity, and acceleration of rod insertion or retrieval in real time. Copyright © 2012 by ASTM International.
 
ISSN0149-6115
2013 Impact Factor: 0.605
2013 SCImago Journal Rankings: 1.084
 
DOIhttp://dx.doi.org/10.1520/GTJ103450
 
ReferencesReferences in Scopus
 
DC FieldValue
dc.contributor.authorYang, WW
 
dc.contributor.authorYue, ZQ
 
dc.contributor.authorTham, LG
 
dc.date.accessioned2012-06-26T06:06:42Z
 
dc.date.available2012-06-26T06:06:42Z
 
dc.date.issued2012
 
dc.description.abstractThis paper presents a new device for the automatic monitoring and measurement of drill rod and sampler depth associated with conventional standard penetration testing (SPT). The device consists of a depth tip transducer and a data logger. The transducer can be firmly mounted onto the drillhole casing on the ground surface. The data logger monitors the passing of the sampler and rods through the transducer into the drillhole during rod insertion or retrieval and therefore records the tip depth in real time. The paper presents the results of calibrations and laboratory and field trials. The test results demonstrate that the device can accurately, reliably, and automatically measure the vertical displacement, velocity, and acceleration of rod insertion or retrieval in real time. Copyright © 2012 by ASTM International.
 
dc.description.natureLink_to_subscribed_fulltext
 
dc.identifier.citationGeotechnical Testing Journal, 2012, v. 35 n. 3, p. 420-436 [How to Cite?]
DOI: http://dx.doi.org/10.1520/GTJ103450
 
dc.identifier.doihttp://dx.doi.org/10.1520/GTJ103450
 
dc.identifier.eissn1945-7545
 
dc.identifier.epage436
 
dc.identifier.hkuros206930
 
dc.identifier.issn0149-6115
2013 Impact Factor: 0.605
2013 SCImago Journal Rankings: 1.084
 
dc.identifier.issue3
 
dc.identifier.scopuseid_2-s2.0-84861498268
 
dc.identifier.spage420
 
dc.identifier.urihttp://hdl.handle.net/10722/150677
 
dc.identifier.volume35
 
dc.languageeng
 
dc.publisherASTM International. The Journal's web site is located at http://journalsip.astm.org/JOURNALS/GEOTECH/gtj%5Fhome.html
 
dc.publisher.placeUnited States
 
dc.relation.ispartofGeotechnical Testing Journal
 
dc.relation.referencesReferences in Scopus
 
dc.subjectTip Depth
 
dc.subjectStandard Penetration Test
 
dc.subjectAutomation
 
dc.subjectBorehole
 
dc.subjectDrillhole
 
dc.subjectManagement
 
dc.subjectSite investigation
 
dc.titleAutomatic monitoring of inserting or retrieving SPT sampler in drillhole
 
dc.typeArticle
 
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<description.abstract>This paper presents a new device for the automatic monitoring and measurement of drill rod and sampler depth associated with conventional standard penetration testing (SPT). The device consists of a depth tip transducer and a data logger. The transducer can be firmly mounted onto the drillhole casing on the ground surface. The data logger monitors the passing of the sampler and rods through the transducer into the drillhole during rod insertion or retrieval and therefore records the tip depth in real time. The paper presents the results of calibrations and laboratory and field trials. The test results demonstrate that the device can accurately, reliably, and automatically measure the vertical displacement, velocity, and acceleration of rod insertion or retrieval in real time. Copyright &#169; 2012 by ASTM International.</description.abstract>
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Author Affiliations
  1. The University of Hong Kong
  2. Guangdong Provincial Investigation