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Capacity of skirted foundations in sand-over-clay under combined V-H-M loading

机译：V-H-M联合荷载作用下裙式地基在砂土中的承载力

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摘要

Circular skirted foundations are used widely in the offshore oil and gas industry and renewable energy industry to support subsea infrastructure and founding turbines. The foundations are subjected to combined vertical-horizontal-moment (V-H-M) loadings during operation. This paper describes an extensive investigation of the response of installed circular skirted foundations under operational loadings in sand-over-clay. The overarching aim was to examine the influence of the presence of a sand layer on the combined load capacity. A detailed parametric study was undertaken through small strain finite element analyses, varying the thickness of the sand layer, embedment depth of the foundation (or skirt length), and level of vertical load mobilisation.
机译：圆形裙板基础广泛用于海上油气行业和可再生能源行业，以支持海底基础设施和建造涡轮机。在操作过程中，地基承受垂直-水平弯矩（V-H-M）的组合载荷。本文描述了在砂土上运行荷载下已安装的圆形裙式基础的响应的广泛研究。总体目标是检查沙层的存在对组合载荷能力的影响。通过小应变有限元分析进行了详细的参数研究，改变了砂层的厚度，地基的埋入深度（或裙边长度）以及垂直载荷的水平。

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