海上平台导管架腿柱结构强度和稳定性分析
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Strength and Stability Analysis of Leg Structure for Offshore Platform Jacket
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    摘要:

    根据南海北部大陆西区气田的分布情况,为更经济和绿色地增加气田的产量,需要新增立管连接2个气田平台。以支撑平台导管架的腿柱结构为研究对象,采用7套复合材料背负式管卡安装立管,并考虑腿柱实际受载工况,分析当管卡在不同位置时导管架腿柱结构强度和屈曲稳定性。借助所构建的SACS计算模型,验证在水深88 m下,采用7套复合材料背负式管卡时,海洋平台导管架腿柱结构的安全性和可靠性,为在相同工作环境下平台腿柱结构的设计提供参考。

    Abstract:

    According to the distribution of the gas fields in the western part of the northern continent of the South China Sea, in order to increase the production of the gas fields more economically and green, it is necessary to add a riser to connect two gas field platforms. The leg structure supporting the offshore platform jacket is taken as the research object. Seven sets of composite backpack pipe clamps are used to install the riser. Considering the actual loading conditions of the leg structure, the strength and buckling stability of the jacket leg structure are analyzed when the pipe clamps are at different positions. With the help of the constructed SACS calculation model, the safety and reliability of the jacket leg structure are verified when the seven sets of composite backpack pipe clamps are used under the water depth of 88 m of the offshore platform, which provides a reference for the design of the platform leg structure under the same working environment.

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李清明,陈第一,祁雷,李宁,孙兆恒,刘子梁.海上平台导管架腿柱结构强度和稳定性分析[J].中国海洋平台,2024,(03):46-51

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  • 在线发布日期: 2024-06-25
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