Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Investigation of the load-bearing capacity of suction caissons used for offshore wind turbines
HighlightsPreliminary design equations and figures for bucket foundations are proposed.Presenting normalized equations and figures for bucket foundations using Power law.Bucket rotation and displacement are highly dependent on the bucket geometry.Maximum stresses are seen near the bucket tip at the right inside of the bucket.The largest soil displacement occurs near the lid inside of the bucket.
AbstractThis paper presents the results of three-dimensional finite element analyses of the suction bucket foundation used for offshore wind turbines. The behavior of the bucket and the response of soil supporting the bucket in dense and medium dense sandy soils subjected to static horizontal load are investigated. Field tests results and a centrifuge model test are used to validate the numerical model. Dimensionless horizontal load-displacement and overturning moment-rotation relationships are derived utilizing the Power law and Buckingham’s theorem. The results show good agreement between the numerical analysis results and the straight lines obtained from the Power law until a specific value of horizontal load and overturning moment. Regarding stress behavior of soil supporting the bucket, due to soil densification and bucket movement, maximum stresses are seen near the bucket tip at the right inside of the bucket. The major part of the applied load is transferred by the bucket skirt. Numerical analysis modeling results show that the bucket rotation and displacement are highly dependent on the bucket geometry and soil properties in addition to loading conditions. Normalized equations and figures for the ultimate horizontal load and overturning-moment capacities are presented and can be used for the preliminary design of the bucket foundations in sandy soils.
Investigation of the load-bearing capacity of suction caissons used for offshore wind turbines
HighlightsPreliminary design equations and figures for bucket foundations are proposed.Presenting normalized equations and figures for bucket foundations using Power law.Bucket rotation and displacement are highly dependent on the bucket geometry.Maximum stresses are seen near the bucket tip at the right inside of the bucket.The largest soil displacement occurs near the lid inside of the bucket.
AbstractThis paper presents the results of three-dimensional finite element analyses of the suction bucket foundation used for offshore wind turbines. The behavior of the bucket and the response of soil supporting the bucket in dense and medium dense sandy soils subjected to static horizontal load are investigated. Field tests results and a centrifuge model test are used to validate the numerical model. Dimensionless horizontal load-displacement and overturning moment-rotation relationships are derived utilizing the Power law and Buckingham’s theorem. The results show good agreement between the numerical analysis results and the straight lines obtained from the Power law until a specific value of horizontal load and overturning moment. Regarding stress behavior of soil supporting the bucket, due to soil densification and bucket movement, maximum stresses are seen near the bucket tip at the right inside of the bucket. The major part of the applied load is transferred by the bucket skirt. Numerical analysis modeling results show that the bucket rotation and displacement are highly dependent on the bucket geometry and soil properties in addition to loading conditions. Normalized equations and figures for the ultimate horizontal load and overturning-moment capacities are presented and can be used for the preliminary design of the bucket foundations in sandy soils.
Investigation of the load-bearing capacity of suction caissons used for offshore wind turbines
Bagheri, Pouyan (Autor:in) / Son, Su Won (Autor:in) / Kim, Jin Man (Autor:in)
Applied Ocean Research ; 67 ; 148-161
03.07.2017
14 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
Suction caissons for wind turbines
| British Library Conference Proceedings | 2005
| Taylor & Francis Verlag | 2025
Tripods with suction caissons as foundations for offshore wind turbines on sand
| British Library Conference Proceedings | 2005
Inclined load capacity of suction caissons
| British Library Online Contents | 2003
| Taylor & Francis Verlag | 2016