自升式抛石整平装置自存工况抗滑移抗倾覆分析
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摘要
对自升式抛石整平装置暴风自存工况下抗滑移和抗倾覆能力进行了分析.参考CCS《海上移动式平台入级规范》对暴风自存工况的环境载荷进行定义,运用ABAQUS中Subroutine子程序模块来进行环境载荷的施加.根据《移动式平台入级与建造规范》中对自升式平台抗滑移和抗倾覆的要求,对自升式抛石整平装置进行了校核.岩石基床采用基于Mohr-Coulomb屈服准则的理想弹塑性本构模型,位移和转角采用Swipe加载方法.经分析,设计的自升式抛石整平装置满足《规范》抗滑移和抗倾覆要求.
Analysis of stability against slip and overturning for self-elevating leveling device in survival condition was performed in this paper.The environment loads in survival condition were defined refer to the Mobile Platform Specification of Classification and Construction,and applied by means of subroutine module of ABAQUS.The check calculations of stability against slip and overturning for self-elevating leveling device were according to the requirements of specification.Rock foundation was adopted by an ideal elastic-plastic constitutive model based on Mohr-Coulomb yield criterion.Displacement and rotation angle was adopted by swipe loading method.After analysis,designed self-elevating leveling device meets the specification requirements of stability against slip and overturning.
Analysis of stability against slip and overturning for self-elevating leveling device in survival condition was performed in this paper.The environment loads in survival condition were defined refer to the Mobile Platform Specification of Classification and Construction,and applied by means of subroutine module of ABAQUS.The check calculations of stability against slip and overturning for self-elevating leveling device were according to the requirements of specification.Rock foundation was adopted by an ideal elastic-plastic constitutive model based on Mohr-Coulomb yield criterion.Displacement and rotation angle was adopted by swipe loading method.After analysis,designed self-elevating leveling device meets the specification requirements of stability against slip and overturning.
引文
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[3]张学俊,陆连洲,祝清芳.深水抛石整平船关键技术参数的选取及应用[J].施工技术,2013,5(42):252-257.(ZHANG Xuejun,LU Lianzhou,ZHU Qingfangl.Selection and application of key technical parameters for the deepwater riprapping leveling ship[J].Onstruction Technology,2013,5(42):252-257.(in Chinese))
[4]中国船级社.海上移动平台入级规范[S].北京:人民交通出版社,2012.
[5]杨光,刘瑞华,陈东昌,杨小龙.自升式钻井平台自存工况抗倾覆稳定性分析[J].中国造船,2009,11(50):199-204.(YANG Guang,LIU Ruihua,CHEN Dongchang,YANG Xiaolong.Analysis of stability against overturing for Jack-up rig in surviaval condition[J].Shipbuilding of China,2009,11(50):199-204.(in Chinese))
[6]刘仁昌,赵志坚,李连亮,王永刚.自升式风车安装船抗倾覆稳定性分析[J].船海工程,2015,8(44):138-142.(LIU Renchang,ZHAO Zhijian,LI Lianliang,WANG Yonggang.Jack-up WTIV overturing stability analysis[J].Ship&Ocean Engineering,2015,8(44):138-142.(in Chinese))
[7]孙东昌,潘斌.海洋自升式移动平台的设计与研究[M].上海:上海交通大学出版社,2008.
[8]李红涛,徐捷,李晔.自升式海洋平台站立状态下的性能分析[J].中国海洋平台,2009,8(24):38-42.(LI Hongtao,XU Jie,LI Ye.Study on general performance of Jack-up under elevated condition[J].China Offshore Platform,2009,8(24):38-42.(in Chinese))
[9]Kellezi L,Denver H,Kudsk G,et al.FE skirted footings analyses for combined loading and layered soil profile[C].Madrid:The 14th European conf.On Soil Mech.and Geotechnical Eng.,2007.
[10]Kellezi L,Kudsk G,Hofstede H.Skirted footings capacity for combined loads and layered soil conditions[C].Dundee,Scotland,HIS BRE Press:the BGA(British Geotechnical Association)International Conference on Foundations.,2008.
[11]吴靓,蒋秋申,李丽红,李卫华.自升式抛石整平平台站立状态总体性能分析[J].船舶设计通讯,2014,12(2):14-19.(WU Liang,JIANG Qiushen,LI Lihong,LI Weihua.Analysis on general performance of self-elevating rubble leveling platform under elevated condition[J].Journal of ship Design,2014,12(2):14-19.(in Chinese))