Study on Punch-Through Prediction and Risk Control Method of Jack-Up Spudcan

机译：自升式快速起重锤的穿通预测和风险控制方法研究

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Jack-up rig installation is often faced with potential punch-throughproblems, which could produce fatalities on the legs or jackingsystems．Thus it is essential to perform installation safety assessmenton site specifically before deployment. This paper proposes a punchthroughprediction method for spudcan penetration in multi-layered soilsystem. Limit penetration depth of jack-up spudcan is analysed basedon finite element method for leg structure strength. The more improvedpunch-through analysis process is discussed. Finaly, The accuracy ofthe method is verified by the analysis of the actual process. Potentialpunch-through is reasonably predicted.

机译：自升式钻机的安装通常面临潜在的穿通问题问题，可能会导致双腿受伤或顶起事故系统。因此，必须进行安装安全评估特别是在部署之前就在现场。本文提出了一个突破桩土壤中钉桩渗透性的预测方法系统。分析了自举式桩ud的极限穿透深度腿结构强度的有限元分析更加完善讨论了穿通分析过程。最后，准确性通过对实际过程的分析验证了该方法。潜在的击穿是可以合理预测的。

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《International ocean and polar engineering conference;International Society of Offshore and Polar Engineers》|2018年|1322-1326|共5页
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Hao Xu; Zhenwen Liu; Lei Qi; Haifeng Deng; chun Li;
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4. Study on Punch-Through Prediction and Risk Control Method of Jack-Up Spudcan [C] . Hao Xu, Zhenwen Liu, Lei Qi, International ocean and polar engineering conference . 2018

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Study on Punch-Through Prediction and Risk Control Method of Jack-Up Spudcan

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