Research of the coupling effect of span-can penetration and environmental loads on piles

Jinghua Tao, Xu Jia, Jinlin Hou, Zhaoyang Wang
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引用次数: 1

Abstract

Jack-up drilling platform is supported by spud-can foundations penetrated into the submarine soil layer for drilling new wells or work-over of existing facilities. When the jack-up drilling platform is positioned close to the adjacent platform pile foundation, the soil movement resulting from the spud-can penetration can induce significant loads on the piles. Especially when the working jack-up drilling platform suffers an extreme storm, the pile foundation strands the dangerous condition. The paper analysis the conclusions and disadvantages of the current studies, and then presents a new method for the coupling effect analysis of penetration pressing and environment load. Then this paper explains the solution by the example applied in the offshore practice.
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跨罐贯入与环境荷载对桩的耦合效应研究
自升式钻井平台是由钻入海底土层的铲罐基础支撑,用于钻井新井或现有设施的修井。当自升式钻井平台靠近相邻平台桩基础时,铲罐侵彻引起的土体移动会对桩产生较大的荷载。特别是自升式钻井平台在工作中遭遇极端风暴时,桩基础处于危险状态。在分析现有研究结论和不足的基础上,提出了一种新的侵彻压力与环境载荷耦合效应分析方法。然后通过海上实际应用的实例说明了解决方案。
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