Details
| Original language | English |
|---|---|
| Title of host publication | Deep Foundations and Geotechnical In Situ Testing - Proceedings of the 2010 GeoShanghai International Conference |
| Pages | 315-324 |
| Number of pages | 10 |
| Edition | 205 GSP |
| Publication status | Published - 14 May 2010 |
| Event | 2010 GeoShanghai International Conference - Deep Foundations and Geotechnical In Situ Testing - Shanghai, China Duration: 3 Jun 2010 → 5 Jun 2010 |
Publication series
| Name | Geotechnical Special Publication |
|---|---|
| Number | 205 GSP |
| ISSN (Print) | 0895-0563 |
Abstract
Monopiles are open-ended steel pipe piles with diameters of usually 3 to 5m, which are used as foundation structures for offshore wind energy towers. Such foundations are subject to intensive cyclic horizontal loading due to wind and wave loads. In the practical design different requirements regarding the minimum embedded pile length are used in order to limit the lateral deformation under static and in particular cyclic loads. Such are the "critical length", "vertical-tangent" and "zero-toe-kick" criteria. For piles of very large diameter and thus high stiffness like monopiles these criteria lead to very large and hardly realistic required lengths. In this study, the different design criteria are compared with respect to piles of very large diameter. By means of the stiffness degradation method, a method which makes the determination of displacement accumulation with cyclic loading possible, the different criteria are assessed. With that, the suitability of adopting the mentioned design criteria for monopile foundations is discussed.
Keywords
- Offshore structures, Pile foundations, Pipe piles
ASJC Scopus subject areas
- Engineering(all)
- Civil and Structural Engineering
- Engineering(all)
- Architecture
- Engineering(all)
- Building and Construction
- Earth and Planetary Sciences(all)
- Geotechnical Engineering and Engineering Geology
Cite this
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Deep Foundations and Geotechnical In Situ Testing - Proceedings of the 2010 GeoShanghai International Conference. 205 GSP. ed. 2010. p. 315-324 (Geotechnical Special Publication; No. 205 GSP).
Research output: Chapter in book/report/conference proceeding › Conference contribution › Research › peer review
}
TY - GEN
T1 - Investigation on the requirements regarding the minimum embedded length of monopiles
AU - Kuo, Yu Shu
AU - Achmus, Martin
AU - Abdel-Rahman, Khalid
PY - 2010/5/14
Y1 - 2010/5/14
N2 - Monopiles are open-ended steel pipe piles with diameters of usually 3 to 5m, which are used as foundation structures for offshore wind energy towers. Such foundations are subject to intensive cyclic horizontal loading due to wind and wave loads. In the practical design different requirements regarding the minimum embedded pile length are used in order to limit the lateral deformation under static and in particular cyclic loads. Such are the "critical length", "vertical-tangent" and "zero-toe-kick" criteria. For piles of very large diameter and thus high stiffness like monopiles these criteria lead to very large and hardly realistic required lengths. In this study, the different design criteria are compared with respect to piles of very large diameter. By means of the stiffness degradation method, a method which makes the determination of displacement accumulation with cyclic loading possible, the different criteria are assessed. With that, the suitability of adopting the mentioned design criteria for monopile foundations is discussed.
AB - Monopiles are open-ended steel pipe piles with diameters of usually 3 to 5m, which are used as foundation structures for offshore wind energy towers. Such foundations are subject to intensive cyclic horizontal loading due to wind and wave loads. In the practical design different requirements regarding the minimum embedded pile length are used in order to limit the lateral deformation under static and in particular cyclic loads. Such are the "critical length", "vertical-tangent" and "zero-toe-kick" criteria. For piles of very large diameter and thus high stiffness like monopiles these criteria lead to very large and hardly realistic required lengths. In this study, the different design criteria are compared with respect to piles of very large diameter. By means of the stiffness degradation method, a method which makes the determination of displacement accumulation with cyclic loading possible, the different criteria are assessed. With that, the suitability of adopting the mentioned design criteria for monopile foundations is discussed.
KW - Offshore structures
KW - Pile foundations
KW - Pipe piles
UR - http://www.scopus.com/inward/record.url?scp=77956157025&partnerID=8YFLogxK
U2 - 10.1061/41106(379)40
DO - 10.1061/41106(379)40
M3 - Conference contribution
AN - SCOPUS:77956157025
SN - 9780784411063
T3 - Geotechnical Special Publication
SP - 315
EP - 324
BT - Deep Foundations and Geotechnical In Situ Testing - Proceedings of the 2010 GeoShanghai International Conference
T2 - 2010 GeoShanghai International Conference - Deep Foundations and Geotechnical In Situ Testing
Y2 - 3 June 2010 through 5 June 2010
ER -