Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Suction caissons are being used increasingly for the anchorage of large compliant offshore structures. The response of these caissons to vertical pullout loads is a basic and very important issue in these applications. This paper presents the results of a finite element study into the deformation, failure mechanisms and ultimate capacities developed under vertical uplift. Included in the analyses are investigation of the effects of different loading rates and drainage conditions, the effects of the strength properties of the seabed soil and the influence of the caisson aspect ratio on the pullout capacity. The finite element predictions have been verified by comparing them to experimental results. Simplified methods for the estimation of vertical uplift capacity are developed from the results of the numerical study.
Suction caissons are being used increasingly for the anchorage of large compliant offshore structures. The response of these caissons to vertical pullout loads is a basic and very important issue in these applications. This paper presents the results of a finite element study into the deformation, failure mechanisms and ultimate capacities developed under vertical uplift. Included in the analyses are investigation of the effects of different loading rates and drainage conditions, the effects of the strength properties of the seabed soil and the influence of the caisson aspect ratio on the pullout capacity. The finite element predictions have been verified by comparing them to experimental results. Simplified methods for the estimation of vertical uplift capacity are developed from the results of the numerical study.
Predictions of the Vertical Pullout Capacity of Suction Caissons in Fine-Grained Soils
1999
60 pages
Report
Keine Angabe
Englisch
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