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Article: Behaviors of socketed H-shaped steel piles

TitleBehaviors of socketed H-shaped steel piles
嵌巖工字鋼樁承載力特性研究
Authors
KeywordsLoad Test
Pile Foundations
Rock-Socketd Pile
Shaft Resistance
Issue Date2008
PublisherInstitute of Rock and Soil Mechanics, Chinese Academy of Sciences. 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, 2008, v. 27 Suppl. 2, p. 3416-3424 How to Cite?
巖石力學與工程學報, 2008, v. 27 Suppl. 2, p. 3416-3424 How to Cite?
AbstractA series of filed load tests and laboratory tests are conducted to investigate the pile deformation and the load transfer behavior of socketed H-shaped steel piles. The instrumented test results reveal that significant shaft resistance can be mobilized along the steel-grout interface. On the other hand, the H-shapes steel pile and the grout body cannot be assumed as a composite body in the evaluation of pile deformation. Laboratory bond tests are carried out on H-shaped steel/grout pile specimens. The bond test results indicat that the lateral confinement can significantly improve the bond strength along the steel-grout interface. Furthermore, if lateral confinement is provided, the welded steel studs can also improve the bond strength. Therefore, the steel-grout bond strength is not a constant along the depth in a socketed H-shaped steel pile. The comparison between the laboratory and the field test results demonstrate that slippage can occur along the steel-grout interface in the load tests. For short piles, the slippage can develop along the whole length above the socket section. For longer piles, slippage is likely to develop to a certain depth above the socket section. Such behaviors should be considered in the evaluation of the pile deformation under the vertical load. A modified calculation method for pile deformation is suggested. The pile deformation evaluated from the suggested method is closer to the field measured data than that the one from the local guidelines. In addition, more detailed analyses can be carried out for load test results by using the suggested method.
Persistent Identifierhttp://hdl.handle.net/10722/150477
ISSN
2015 SCImago Journal Rankings: 1.073
References

 

DC FieldValueLanguage
dc.contributor.authorWang, Yen_US
dc.contributor.authorTham, LGen_US
dc.contributor.authorLee, PKKen_US
dc.contributor.authorYang, Jen_US
dc.date.accessioned2012-06-26T06:05:04Z-
dc.date.available2012-06-26T06:05:04Z-
dc.date.issued2008en_US
dc.identifier.citationYanshilixue Yu Gongcheng Xuebao/Chinese Journal Of Rock Mechanics And Engineering, 2008, v. 27 Suppl. 2, p. 3416-3424en_US
dc.identifier.citation巖石力學與工程學報, 2008, v. 27 Suppl. 2, p. 3416-3424-
dc.identifier.issn1000-6915en_US
dc.identifier.urihttp://hdl.handle.net/10722/150477-
dc.description.abstractA series of filed load tests and laboratory tests are conducted to investigate the pile deformation and the load transfer behavior of socketed H-shaped steel piles. The instrumented test results reveal that significant shaft resistance can be mobilized along the steel-grout interface. On the other hand, the H-shapes steel pile and the grout body cannot be assumed as a composite body in the evaluation of pile deformation. Laboratory bond tests are carried out on H-shaped steel/grout pile specimens. The bond test results indicat that the lateral confinement can significantly improve the bond strength along the steel-grout interface. Furthermore, if lateral confinement is provided, the welded steel studs can also improve the bond strength. Therefore, the steel-grout bond strength is not a constant along the depth in a socketed H-shaped steel pile. The comparison between the laboratory and the field test results demonstrate that slippage can occur along the steel-grout interface in the load tests. For short piles, the slippage can develop along the whole length above the socket section. For longer piles, slippage is likely to develop to a certain depth above the socket section. Such behaviors should be considered in the evaluation of the pile deformation under the vertical load. A modified calculation method for pile deformation is suggested. The pile deformation evaluated from the suggested method is closer to the field measured data than that the one from the local guidelines. In addition, more detailed analyses can be carried out for load test results by using the suggested method.en_US
dc.languagechien_US
dc.publisherInstitute of Rock and Soil Mechanics, Chinese Academy of Sciences. 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_US
dc.relation.ispartof巖石力學與工程學報-
dc.subjectLoad Testen_US
dc.subjectPile Foundationsen_US
dc.subjectRock-Socketd Pileen_US
dc.subjectShaft Resistanceen_US
dc.titleBehaviors of socketed H-shaped steel pilesen_US
dc.title嵌巖工字鋼樁承載力特性研究-
dc.typeArticleen_US
dc.identifier.emailTham, LG:hrectlg@hkucc.hku.hken_US
dc.identifier.emailLee, PKK:hreclkk@hkucc.hku.hken_US
dc.identifier.emailYang, J:junyang@hkucc.hku.hken_US
dc.identifier.authorityTham, LG=rp00176en_US
dc.identifier.authorityLee, PKK=rp00141en_US
dc.identifier.authorityYang, J=rp00201en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.scopuseid_2-s2.0-55649086664en_US
dc.identifier.hkuros212150-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-55649086664&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume27en_US
dc.identifier.issueSuppl. 2en_US
dc.identifier.spage3416en_US
dc.identifier.epage3424en_US
dc.publisher.placeChinaen_US
dc.identifier.scopusauthoridWang, Y=21234319800en_US
dc.identifier.scopusauthoridTham, LG=7006213628en_US
dc.identifier.scopusauthoridLee, PKK=24522826500en_US
dc.identifier.scopusauthoridYang, J=35605258800en_US

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