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Article: Behaviour of jacked and driven piles in sandy soil
Title | Behaviour of jacked and driven piles in sandy soil |
---|---|
Authors | |
Keywords | Bearing Capacity Full-Scale Tests Piles Residual Soils Sands |
Issue Date | 2006 |
Publisher | Thomas Telford (ICE Publishing). The Journal's web site is located at http://www.geotechnique-ice.com |
Citation | Geotechnique, 2006, v. 56 n. 4, p. 245-259 How to Cite? |
Abstract | As an alternative to conventional dynamic pile installation methods, pile jacking is an environmentally friendly technique that could become more widely accepted. Great concern has arisen over the performance of jacked piles as compared with that of driven piles. This paper describes a comprehensive field study that was aimed at investigating the differences and similarities between the behaviour of jacked H-piles and that of driven H-piles. The instrumented piles, varying in length from 32 to 55 m and having a design capacity of up to 3540 kN, were installed in residual soils whose properties are close to silty sands. The load test results indicate that the shaft resistance of jacked piles is generally suffer and stronger than that of driven piles, but the base resistance of jacked piles is weaker than that of driven piles. At a load level of twice the design capacity, the percentage of pile head load carried by base varies from 2% to 10% for jacked piles, with a mean value of 6%; for driven piles the percentage varies from 6% to 61% with a mean value of 38%. The back-calculated values of the shaft friction coefficient, β, were found to be in a range of 0.25-0.6 for both jacked and driven piles. A correlation was also observed between the ultimate shaft friction and the mean standard penetration test N value (N̄), which suggests that the shaft friction can be taken as 1.5N̄ to 2N̄ (kPa) for both jacked and driven H-piles. |
Persistent Identifier | http://hdl.handle.net/10722/150361 |
ISSN | 2023 Impact Factor: 4.2 2023 SCImago Journal Rankings: 1.791 |
ISI Accession Number ID | |
References |
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Yang, J | en_US |
dc.contributor.author | Tham, LG | en_US |
dc.contributor.author | Lee, PKK | en_US |
dc.contributor.author | Chan, ST | en_US |
dc.contributor.author | Yu, F | en_US |
dc.date.accessioned | 2012-06-26T06:03:53Z | - |
dc.date.available | 2012-06-26T06:03:53Z | - |
dc.date.issued | 2006 | en_US |
dc.identifier.citation | Geotechnique, 2006, v. 56 n. 4, p. 245-259 | en_US |
dc.identifier.issn | 0016-8505 | en_US |
dc.identifier.uri | http://hdl.handle.net/10722/150361 | - |
dc.description.abstract | As an alternative to conventional dynamic pile installation methods, pile jacking is an environmentally friendly technique that could become more widely accepted. Great concern has arisen over the performance of jacked piles as compared with that of driven piles. This paper describes a comprehensive field study that was aimed at investigating the differences and similarities between the behaviour of jacked H-piles and that of driven H-piles. The instrumented piles, varying in length from 32 to 55 m and having a design capacity of up to 3540 kN, were installed in residual soils whose properties are close to silty sands. The load test results indicate that the shaft resistance of jacked piles is generally suffer and stronger than that of driven piles, but the base resistance of jacked piles is weaker than that of driven piles. At a load level of twice the design capacity, the percentage of pile head load carried by base varies from 2% to 10% for jacked piles, with a mean value of 6%; for driven piles the percentage varies from 6% to 61% with a mean value of 38%. The back-calculated values of the shaft friction coefficient, β, were found to be in a range of 0.25-0.6 for both jacked and driven piles. A correlation was also observed between the ultimate shaft friction and the mean standard penetration test N value (N̄), which suggests that the shaft friction can be taken as 1.5N̄ to 2N̄ (kPa) for both jacked and driven H-piles. | en_US |
dc.language | eng | en_US |
dc.publisher | Thomas Telford (ICE Publishing). The Journal's web site is located at http://www.geotechnique-ice.com | en_US |
dc.relation.ispartof | Geotechnique | en_US |
dc.rights | Geotechnique. Copyright © Thomas Telford Ltd. | - |
dc.rights | Permission is granted by ICE Publishing to print one copy for personal use. Any other use of these PDF files is subject to reprint fees | - |
dc.subject | Bearing Capacity | en_US |
dc.subject | Full-Scale Tests | en_US |
dc.subject | Piles | en_US |
dc.subject | Residual Soils | en_US |
dc.subject | Sands | en_US |
dc.title | Behaviour of jacked and driven piles in sandy soil | en_US |
dc.type | Article | en_US |
dc.identifier.openurl | http://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0016-8505&volume=56&issue=4&spage=245&epage=259&date=2006&atitle=Behaviour+of+jacked+and+driven+piles+in+sany+soil | - |
dc.identifier.email | Yang, J: junyang@hkucc.hku.hk | en_US |
dc.identifier.email | Tham, LG: hrectlg@hkucc.hku.hk | en_US |
dc.identifier.email | Lee, PKK: hreclkk@hkucc.hku.hk | en_US |
dc.identifier.authority | Yang, J=rp00201 | en_US |
dc.identifier.authority | Tham, LG=rp00176 | en_US |
dc.identifier.authority | Lee, PKK=rp00141 | en_US |
dc.description.nature | published_or_final_version | en_US |
dc.identifier.doi | 10.1680/geot.2006.56.4.245 | en_US |
dc.identifier.scopus | eid_2-s2.0-33744825991 | en_US |
dc.identifier.hkuros | 115787 | - |
dc.relation.references | http://www.scopus.com/mlt/select.url?eid=2-s2.0-33744825991&selection=ref&src=s&origin=recordpage | en_US |
dc.identifier.volume | 56 | en_US |
dc.identifier.issue | 4 | en_US |
dc.identifier.spage | 245 | en_US |
dc.identifier.epage | 259 | en_US |
dc.identifier.isi | WOS:000237689200002 | - |
dc.publisher.place | United Kingdom | en_US |
dc.identifier.scopusauthorid | Yang, J=35605258800 | en_US |
dc.identifier.scopusauthorid | Tham, LG=7006213628 | en_US |
dc.identifier.scopusauthorid | Lee, PKK=24522826500 | en_US |
dc.identifier.scopusauthorid | Chan, ST=8227101100 | en_US |
dc.identifier.scopusauthorid | Yu, F=22936179800 | en_US |
dc.identifier.issnl | 0016-8505 | - |