Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Group effect on bearing capacities of tripod bucket foundations in undrained clay
Tripod bucket foundations are being used as alternative foundations to resist large horizontal and moment loadings from offshore wind turbines. The bearing capacity of the tripod bucket foundation differs particularly from that of the single bucket foundation due to the interaction among individual buckets of the tripod. This paper investigated the group effect of tripod bucket foundations in clay by three-dimensional finite element analysis. Parametric studies were performed varying the spacing between each bucket foundation, embedded depth of the bucket foundation, and loading directions. Normally consolidated clay under an undrained condition was modeled using a linear elastic-perfectly plastic model obeying the Tresca failure criterion. The undrained shear strength and Young's modulus of clay were assumed to linearly increase with depth. The group efficiency factor, which is the ratio of the bearing capacity of the tripod bucket foundation to that of the single bucket foundation, was evaluated based on finite element analysis for vertical, horizontal and moment loadings. Results showed that the efficiency factors were functions of the bucket spacing and embedment depth of the foundations.
Group effect on bearing capacities of tripod bucket foundations in undrained clay
Tripod bucket foundations are being used as alternative foundations to resist large horizontal and moment loadings from offshore wind turbines. The bearing capacity of the tripod bucket foundation differs particularly from that of the single bucket foundation due to the interaction among individual buckets of the tripod. This paper investigated the group effect of tripod bucket foundations in clay by three-dimensional finite element analysis. Parametric studies were performed varying the spacing between each bucket foundation, embedded depth of the bucket foundation, and loading directions. Normally consolidated clay under an undrained condition was modeled using a linear elastic-perfectly plastic model obeying the Tresca failure criterion. The undrained shear strength and Young's modulus of clay were assumed to linearly increase with depth. The group efficiency factor, which is the ratio of the bearing capacity of the tripod bucket foundation to that of the single bucket foundation, was evaluated based on finite element analysis for vertical, horizontal and moment loadings. Results showed that the efficiency factors were functions of the bucket spacing and embedment depth of the foundations.
Group effect on bearing capacities of tripod bucket foundations in undrained clay
Kim, Sung-Ryul (Autor:in) / Hung, Le-Chi (Autor:in) / Oh, Myounghak (Autor:in)
Ocean Engineering ; 79 ; 1-9
2014
9 Seiten, 34 Quellen
Aufsatz (Zeitschrift)
Englisch
Evaluation of Undrained Bearing Capacities of Bucket Foundations Under Combined Loads
| Online Contents | 2014
Evaluation of Undrained Bearing Capacities of Bucket Foundations Under Combined Loads
| Taylor & Francis Verlag | 2014
Undrained bearing capacity of tripod skirted foundations under eccentric loading
| Tema Archiv | 2015
Undrained bearing capacity of tripod skirted foundations under eccentric loading
| British Library Online Contents | 2015