Numerical analysis of bearing capacity behavior of bucket foundation based on elasto-plastic FEM

被引：0
|
作者：
Wu, Ke [1 ,2 ]
Luan, Mao-Tian [1 ,2 ]
Fan, Qing-Lai [3 ]
Wang, Zhi-Yun [1 ,2 ]
Tang, Xiao-Wei [1 ,2 ]
机构：
[1] State Key Laboratory of Coastal and Offshore Engineering, Dalian University of Technology, Dalian 116024, China
[2] Institute of Geotechnical Engineering, School of Civil and Hydraulic Engineering, Dalian University of Technology, Dalian 116024, China
[3] School of Civil Engineering, Ludong University, Yantai 265304, China
来源：
Dalian Ligong Daxue Xuebao/Journal of Dalian University of Technology | 2008年 / 48卷 / 05期
关键词：
Drilling platforms - Testing - Bearing capacity - Software testing - Failure (mechanical) - ABAQUS - Foundations - Numerical methods - Displacement control - Elastoplasticity;
D O I：
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中图分类号：
学科分类号：
摘要：
It is one of the key fundamental issues in design and construction of bucket-foundation-supported offshore platforms to evaluate overall stability behavior and failure mechanisms of structures and foundations under combined loading pattern comprised of both vertical and horizontal load and moment. An elasto-plastic finite element method for numerical assessment of bearing capacity of bucket foundation under combined loads is developed. Both displacement-controlling procedure and the Swipe test procedure of loading are numerically implemented by virtue of the general-purpose FEM software ABAQUS. The ultimate bearing capacity of foundation under single load component is determined while the load-carrying capacity under different combinations of various loading components is defined and failure envelopes are established in different load spaces. The failure mechanism of foundation is examined through the distribution of plastic strain around the foundation.
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页码：702 / 707
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