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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Randolph, Mark
in Cooperation with on an Cooperation-Score of 37%
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Publications (10/10 displayed)
- 2022An efficient probabilistic framework for the long-term fatigue assessment of large diameter steel riserscitations
- 2021A Bayesian machine learning approach to rapidly quantifying the fatigue probability of failure for steel catenary riserscitations
- 2021Relationships between lateral and rotational load transfer stiffnesses and soil modulus for the elastic response of monopilescitations
- 2021Centrifuge modelling of pipe-soil interaction in clay with crust layercitations
- 2018An ANN-based framework for rapid spectral fatigue analysis of steel catenary risers
- 2016Evaluation of elastic stiffness parameters for pipeline-soil interactioncitations
- 2015Sensitivity studies of SCR fatigue damage in the touchdown zone using an efficient simplified framework for stress range evaluationcitations
- 2009Characterization of the solid-fluid transition of fine-grained sedimentscitations
- 2009Characterization of the solid-fluid transition of fine-grained sedimentscitations
- 2008Analysis of factors influencing soil classification using normalized piezocone tip resistance and pore pressure parameterscitations
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article
Evaluation of elastic stiffness parameters for pipeline-soil interaction
Abstract
© 2016 American Society of Civil Engineers. This paper focuses on elastic stiffness parameters for axial, horizontal, and vertical motions of a pipeline relative to the seabed, with the aim of expressing these parameters in terms of fundamental elastic properties of the soil. Limited information exists in the literature on the axial elastic response of on-bottom pipelines, particularly for nonhomogeneous soil. Therefore, an approximate analytical approach was developed for axial stiffness, focusing on the case of shear modulus proportional to depth. The solution was then verified through numerical analysis. Further numerical analysis was carried out to obtain relationships for horizontal and vertical elastic stiffnesses of on-bottom pipelines. Finally, relationships among elastic stiffnesses were developed. Here recommendations are made for the selection of proper elastic stiffnesses in all three directions of motion. These recommendations allow consistent and rigorous modeling of elastic pipe-seabed interactions with application to the analysis of pipeline laying, buckling, walking, and on-bottom stability.