自升式平台桩基稳定性分析与结构优化  

Stability Analysis and Structure Optimization on Pile Foundations of Jack-up Platforms

作　　者：初新杰[1,2] 

机构地区：[1]中国海洋大学,山东青岛266003 [2]胜利石油管理局钻井工艺研究院,山东东营257017

出　　处：《装备制造技术》2011年第9期6-10,共5页Equipment Manufacturing Technology

基　　金：国家"863"资助项目-海底管线检测与水下结构物修复关键技术(2011AA0903)

摘　　要：进行了自升式平台桩基的稳定性分析和结构优化分析,初步探讨了层状地基承载能力分析方法,建立了平台整体、桩和桩靴等的数值计算模型,通过分析优化了桩基结构,降低了桩与桩靴连接处的应力集中,对自升式平台桩基结构设计和平台作业的稳定性分析具有参考价值。Stability analysis and structure optimization on jack-up platforms with pile foundations are finished.A analysis method of bearing capacity in layered soil is discussed.The numerical model is established and the pile-foundation structure is optimized.Stress concentration of connecting areas between piles and pile boots is reduced.The study has reference value for structure designs and stability analysis of jack-up platforms.

关 键 词：自升式平台 桩基 层状地基 稳定性 结构优化 

分 类 号：P751[交通运输工程—港口、海岸及近海工程]