半潜平台顶升合拢方案抗风稳定性分析  

Wind-Resistant Stability Analysis of Jack up Integration Scheme for Semi-Submersible Platform

作　　者：赵阔[1] 杨小龙[1] 文志飞[1] 薄景富 ZHAO Kuo;YANG Xiaolong;WEN Zhifei;BO Jingfu(Offshore Oil Engineering Co.,Ltd.,Tianjin,300451,China)

机构地区：[1]海洋石油工程股份有限公司,天津300451

出　　处：《船舶工程》2021年第8期160-169,共10页Ship Engineering

摘　　要：以半潜平台顶升合拢方案抗风稳定性为研究方向,通过对场地风环境进行分析拟合出风速时程曲线,结合模块式塔架结构的受力形式和特点,给出适合此类结构的失效标准。最后结合实例针对此类结构在静力和动力风载下的稳定性进行分析和评估,给出临界风速参考数值。研究结果对于工程实践具有一定的指导作用,可供工程设计人员参考和借鉴。The wind-resistant stability of jack up integration scheme for semi-submersible platform is taken as the research direction.The wind speed time history curve is fitted by analyzing the site wind environment,and combined with the stress form and characteristics of modular tower structure,the failure criterion suitable for this kind of structure is given.Finally,combined with a practical example,the stability of this kind of structure under static and dynamic wind load is analyzed and evaluated,and the reference value of critical wind speed is given.Research results have a certain guiding role for engineering practice,and can provide reference for engineering designers.

关 键 词：半潜平台 顶升合拢 抗风稳定分析 有限元方法 

分 类 号：U661.43[交通运输工程—船舶及航道工程]