Field study on the effects of impact frequency on the axial and lateral capacity of driven pipe piles in sand

Ivana Anusic, Barry M. Lehane, Gudmund R. Eiksund, Morten A. Liingaard

Research output: Contribution to conferenceAbstract

Abstract

With pile installation being an important part of the total project cost, improving the efficiency of the offshore operations would require resolving the uncertainties in how different installation methods influence pile capacity. This paper describes a programme of testing involving static loading tests on eight 165 mm diameter open-ended steel tubes driven into medium dense siliceous sand at a well-characterized test site in Perth, Western Australia. Six piles were installed by impact driving under two different driving frequencies, and two piles were installed by vibration with the aim of identifying the effects of impact frequency on the response of driven piles to static axial and lateral loading. It was found that the tension capacity of piles measured 1 week after installation was not significantly dependent on the impact frequency and that these piles had approximately the same capacity as the piles installed by vibration. First time load tests performed 4 months after the initial tests indicated that all pile types had a similar set-up characteristic. Inspection of static tests on lateral behavior of vibrated and impact driven piles suggests that installation method has no impact on the lateral capacity.

Original languageEnglish
DOIs
Publication statusPublished - 1 Jan 2018
EventASME 2018 37th International Conference on Ocean, Offshore and Arctic Engineering, OMAE 2018 - Madrid Marriott Auditorium Hotel & Conference Centre, Madrid, Spain
Duration: 17 Jun 201822 Jun 2018
https://www.asme.org/events/omae

Conference

ConferenceASME 2018 37th International Conference on Ocean, Offshore and Arctic Engineering, OMAE 2018
Abbreviated titleOMAE 2018
CountrySpain
CityMadrid
Period17/06/1822/06/18
Internet address

Fingerprint

Piles
Sand
Pipe
Inspection
Steel
Testing

Cite this

Anusic, I., Lehane, B. M., Eiksund, G. R., & Liingaard, M. A. (2018). Field study on the effects of impact frequency on the axial and lateral capacity of driven pipe piles in sand. Abstract from ASME 2018 37th International Conference on Ocean, Offshore and Arctic Engineering, OMAE 2018, Madrid, Spain. https://doi.org/10.1115/OMAE2018-78428
Anusic, Ivana ; Lehane, Barry M. ; Eiksund, Gudmund R. ; Liingaard, Morten A. / Field study on the effects of impact frequency on the axial and lateral capacity of driven pipe piles in sand. Abstract from ASME 2018 37th International Conference on Ocean, Offshore and Arctic Engineering, OMAE 2018, Madrid, Spain.
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Anusic, I, Lehane, BM, Eiksund, GR & Liingaard, MA 2018, 'Field study on the effects of impact frequency on the axial and lateral capacity of driven pipe piles in sand' ASME 2018 37th International Conference on Ocean, Offshore and Arctic Engineering, OMAE 2018, Madrid, Spain, 17/06/18 - 22/06/18, . https://doi.org/10.1115/OMAE2018-78428

Field study on the effects of impact frequency on the axial and lateral capacity of driven pipe piles in sand. / Anusic, Ivana; Lehane, Barry M.; Eiksund, Gudmund R.; Liingaard, Morten A.

2018. Abstract from ASME 2018 37th International Conference on Ocean, Offshore and Arctic Engineering, OMAE 2018, Madrid, Spain.

Research output: Contribution to conferenceAbstract

TY - CONF

T1 - Field study on the effects of impact frequency on the axial and lateral capacity of driven pipe piles in sand

AU - Anusic, Ivana

AU - Lehane, Barry M.

AU - Eiksund, Gudmund R.

AU - Liingaard, Morten A.

PY - 2018/1/1

Y1 - 2018/1/1

N2 - With pile installation being an important part of the total project cost, improving the efficiency of the offshore operations would require resolving the uncertainties in how different installation methods influence pile capacity. This paper describes a programme of testing involving static loading tests on eight 165 mm diameter open-ended steel tubes driven into medium dense siliceous sand at a well-characterized test site in Perth, Western Australia. Six piles were installed by impact driving under two different driving frequencies, and two piles were installed by vibration with the aim of identifying the effects of impact frequency on the response of driven piles to static axial and lateral loading. It was found that the tension capacity of piles measured 1 week after installation was not significantly dependent on the impact frequency and that these piles had approximately the same capacity as the piles installed by vibration. First time load tests performed 4 months after the initial tests indicated that all pile types had a similar set-up characteristic. Inspection of static tests on lateral behavior of vibrated and impact driven piles suggests that installation method has no impact on the lateral capacity.

AB - With pile installation being an important part of the total project cost, improving the efficiency of the offshore operations would require resolving the uncertainties in how different installation methods influence pile capacity. This paper describes a programme of testing involving static loading tests on eight 165 mm diameter open-ended steel tubes driven into medium dense siliceous sand at a well-characterized test site in Perth, Western Australia. Six piles were installed by impact driving under two different driving frequencies, and two piles were installed by vibration with the aim of identifying the effects of impact frequency on the response of driven piles to static axial and lateral loading. It was found that the tension capacity of piles measured 1 week after installation was not significantly dependent on the impact frequency and that these piles had approximately the same capacity as the piles installed by vibration. First time load tests performed 4 months after the initial tests indicated that all pile types had a similar set-up characteristic. Inspection of static tests on lateral behavior of vibrated and impact driven piles suggests that installation method has no impact on the lateral capacity.

KW - Installation methods

KW - Pile foundations

KW - Sand

KW - Static load tests

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U2 - 10.1115/OMAE2018-78428

DO - 10.1115/OMAE2018-78428

M3 - Abstract

ER -

Anusic I, Lehane BM, Eiksund GR, Liingaard MA. Field study on the effects of impact frequency on the axial and lateral capacity of driven pipe piles in sand. 2018. Abstract from ASME 2018 37th International Conference on Ocean, Offshore and Arctic Engineering, OMAE 2018, Madrid, Spain. https://doi.org/10.1115/OMAE2018-78428