The Influence of Cylic Loading Frequency on the Behaviour of Suction-Bucket Foundations for Offshore Structures

被引：3

作者：

Tasan, H. Ercan ^{[1
]}

Akdag, C. Taylan ^{[2
]}

机构：

[1] Orta Dogu Tekn Univ, Insaat Muhendisligi Bolumu, Ankara, Turkey

[2] Turk Alman Univ, Insaat Muhendisligi Bolumu, Istanbul, Turkey

来源：

TEKNIK DERGI | 2018年 / 29卷 / 03期

关键词：

Offshore foundation; suction bucket; finite element method; cyclic loading; hypoplastic model; fully coupled two phase model; numerical analysis; excess pore water; permanent displacement; FINITE-ELEMENT-METHOD; SAND; INSTALLATION; SOILS;

D O I：

10.18400/tekderg.337970

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

The behavior of suction-bucket foundation systems for offshore structures has not been adequately investigated yet. The foundations are subjected to large cyclic loading due to marine conditions which lead to accumulation of soil deformation and excess pore water pressure. A numerical investigation was conducted to study the response of one bucket support of a multipode foundation system under cyclic axial loading. Thereby a fully coupled two-phase model and a hypoplastic constitutive model were used for consideration of accumulation effects in a saturated soil medium. Special emphasis is attached to the influence of cyclic loading frequency on the behavior of the bucket-soil system. The results have indicated that the frequency considerably affects the excess pore water pressure development and the vertical displacement accumulation of the bucket foundation.

引用

页码：8411 / 8431

页数：21

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