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Conference Paper: Installation load and working capacity of jacked piles: some experiences in China

TitleInstallation load and working capacity of jacked piles: some experiences in China
Authors
KeywordsDisplacement piles
Jacking load
Ultimate capacity
Slenderness ratio
Empirical correlations
Issue Date2011
PublisherFaculty of Construction and Land Use, The Hong Kong Polytechnic University. The Conference proceedings' website is located at http://www.polyu.edu.hk/fclu/sge5/int_for_authors.html
Citation
The 5th Cross-strait Conference on Structural and Geotechnical Engineering (SGE-5), the Hong Kong Polytechnic University, Hong Kong, China, 13-15 July 2011. In Conference Proceedings, 2011, v. 2, p. 701-705 How to Cite?
AbstractThe working capacity of jacked piles may be self-proved by the load experienced during installation, since the press-in penetration and the static loading test have similar physical background. The ratio of pile’s ultimate capacity to the final jacking load, defined as the pressure ratio in this study, is an interesting but tricking issue in jack piling design and construction. Focus is paid on how the pressure ratio varies with pile’s slenderness ratio and the condition of surrounding and end-bearing soils. With a primary concern on the concrete piles widely used in China, several empirical correlations used in practice are summarized and examined. A new database, with test piles collected from different parts of China, is then presented in an attempt to seek for an effective way to consider the effect of soil condition. A simple sorting method in terms of fine and coarse soils has the potential to properly consider the different behaviors arising from the pile-equalization stage.
DescriptionParallel Session – Geotechnical II
Persistent Identifierhttp://hdl.handle.net/10722/140700
ISBN

 

DC FieldValueLanguage
dc.contributor.authorYu, F-
dc.contributor.authorYang, J-
dc.date.accessioned2011-09-23T06:17:48Z-
dc.date.available2011-09-23T06:17:48Z-
dc.date.issued2011-
dc.identifier.citationThe 5th Cross-strait Conference on Structural and Geotechnical Engineering (SGE-5), the Hong Kong Polytechnic University, Hong Kong, China, 13-15 July 2011. In Conference Proceedings, 2011, v. 2, p. 701-705-
dc.identifier.isbn978-988-15439-2-9-
dc.identifier.urihttp://hdl.handle.net/10722/140700-
dc.descriptionParallel Session – Geotechnical II-
dc.description.abstractThe working capacity of jacked piles may be self-proved by the load experienced during installation, since the press-in penetration and the static loading test have similar physical background. The ratio of pile’s ultimate capacity to the final jacking load, defined as the pressure ratio in this study, is an interesting but tricking issue in jack piling design and construction. Focus is paid on how the pressure ratio varies with pile’s slenderness ratio and the condition of surrounding and end-bearing soils. With a primary concern on the concrete piles widely used in China, several empirical correlations used in practice are summarized and examined. A new database, with test piles collected from different parts of China, is then presented in an attempt to seek for an effective way to consider the effect of soil condition. A simple sorting method in terms of fine and coarse soils has the potential to properly consider the different behaviors arising from the pile-equalization stage.-
dc.languageeng-
dc.publisherFaculty of Construction and Land Use, The Hong Kong Polytechnic University. The Conference proceedings' website is located at http://www.polyu.edu.hk/fclu/sge5/int_for_authors.html-
dc.relation.ispartofProceedings of the 5th Cross-strait Conference on Structural and Geotechnical Engineering (SEG-5)-
dc.relation.ispartof第五屇海峽兩岸結構與岩土工程學術研討會-
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.subjectDisplacement piles-
dc.subjectJacking load-
dc.subjectUltimate capacity-
dc.subjectSlenderness ratio-
dc.subjectEmpirical correlations-
dc.titleInstallation load and working capacity of jacked piles: some experiences in China-
dc.typeConference_Paper-
dc.identifier.emailYang, J: junyang@hkucc.hku.hk-
dc.identifier.authorityYang, J=rp00201en_US
dc.description.naturepublished_or_final_version-
dc.identifier.hkuros193053-
dc.identifier.volume2-
dc.identifier.spage701-
dc.identifier.epage705-
dc.publisher.placeHong Kong-

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