Details
| Original language | English |
|---|---|
| Title of host publication | Computational Geomechanics, COMGEO II - Proceedings of the 2nd International Symposium on Computational Geomechanics |
| Pages | 791-800 |
| Number of pages | 10 |
| Publication status | Published - 2011 |
| Event | 2nd International Symposium on Computational Geomechanics, COMGEO II - Cavtat-Dubrovnik, Croatia Duration: 27 Apr 2011 → 29 Apr 2011 |
Publication series
| Name | Computational Geomechanics, COMGEO II - Proceedings of the 2nd International Symposium on Computational Geomechanics |
|---|
Abstract
Cyclic axial loading of piles often occurs, in particular in offshore engineering applications. Although it is known that a decrease of ultimate skin friction occurs with cyclic pre-loading, no general calculation approach yet exists. A numerical method is presented which is capable to assess stress changes in the soil around a pile due to cyclic axial loading and to figure out the post-cyclic pullout-capacity of the pile with respect to the magnitude of cyclic axial load and the number of load cycles. The method is a numerical realization of an analytical approach of Richter & Kirsch (2010). Here, the volume compaction due to cyclic shearing is assessed empirically dependent on the cyclic shear strains and is then applied to the pile-soil system. First results for rigid piles in homogeneous medium dense sand are presented. The method gives a prediction of post-cyclic pile capacities and is thus a promising tool to assess cyclic load effects on the behavior of axially loaded piles.
ASJC Scopus subject areas
- Earth and Planetary Sciences(all)
- Geophysics
- Earth and Planetary Sciences(all)
- Geotechnical Engineering and Engineering Geology
- Mathematics(all)
- Computational Mathematics
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Computational Geomechanics, COMGEO II - Proceedings of the 2nd International Symposium on Computational Geomechanics. 2011. p. 791-800 (Computational Geomechanics, COMGEO II - Proceedings of the 2nd International Symposium on Computational Geomechanics).
Research output: Chapter in book/report/conference proceeding › Conference contribution › Research › peer review
}
TY - GEN
T1 - Numerical modeling of tension piles under axial cyclic loading
AU - Abdel-Rahman, K.
AU - Achmus, M.
PY - 2011
Y1 - 2011
N2 - Cyclic axial loading of piles often occurs, in particular in offshore engineering applications. Although it is known that a decrease of ultimate skin friction occurs with cyclic pre-loading, no general calculation approach yet exists. A numerical method is presented which is capable to assess stress changes in the soil around a pile due to cyclic axial loading and to figure out the post-cyclic pullout-capacity of the pile with respect to the magnitude of cyclic axial load and the number of load cycles. The method is a numerical realization of an analytical approach of Richter & Kirsch (2010). Here, the volume compaction due to cyclic shearing is assessed empirically dependent on the cyclic shear strains and is then applied to the pile-soil system. First results for rigid piles in homogeneous medium dense sand are presented. The method gives a prediction of post-cyclic pile capacities and is thus a promising tool to assess cyclic load effects on the behavior of axially loaded piles.
AB - Cyclic axial loading of piles often occurs, in particular in offshore engineering applications. Although it is known that a decrease of ultimate skin friction occurs with cyclic pre-loading, no general calculation approach yet exists. A numerical method is presented which is capable to assess stress changes in the soil around a pile due to cyclic axial loading and to figure out the post-cyclic pullout-capacity of the pile with respect to the magnitude of cyclic axial load and the number of load cycles. The method is a numerical realization of an analytical approach of Richter & Kirsch (2010). Here, the volume compaction due to cyclic shearing is assessed empirically dependent on the cyclic shear strains and is then applied to the pile-soil system. First results for rigid piles in homogeneous medium dense sand are presented. The method gives a prediction of post-cyclic pile capacities and is thus a promising tool to assess cyclic load effects on the behavior of axially loaded piles.
UR - http://www.scopus.com/inward/record.url?scp=80052133573&partnerID=8YFLogxK
M3 - Conference contribution
AN - SCOPUS:80052133573
SN - 9789609875011
T3 - Computational Geomechanics, COMGEO II - Proceedings of the 2nd International Symposium on Computational Geomechanics
SP - 791
EP - 800
BT - Computational Geomechanics, COMGEO II - Proceedings of the 2nd International Symposium on Computational Geomechanics
T2 - 2nd International Symposium on Computational Geomechanics, COMGEO II
Y2 - 27 April 2011 through 29 April 2011
ER -