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首页> 外文期刊>Polish maritime research >Study of the Force and Deformation Characteristics of Subsea Mudmat-Pile Hybrid Foundations
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Study of the Force and Deformation Characteristics of Subsea Mudmat-Pile Hybrid Foundations

机译：海底泥浆-桩混合基础的受力与变形特性研究

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摘要

To study the force and deformation characteristics of subsea mudmat-pile hybrid foundations under different combined loads, a project at a water depth of 200 m in the South China Sea was studied. A numerical model of a subsea mudmatpile hybrid foundation is developed using the numerical simulation software FLAC3D. The settlement of the seabed soil, the bending moments of the mudmat, and the displacements and bending moments along the pile shaft under different load combinations, including vertical load and horizontal load, vertical load and bending moment, and horizontal load and bending moment load, are analyzed. The results indicate that settlement of the seabed soil is reduced by the presence of piles. The settlement of the mudmat is reduced by the presence of piles. Different degrees of inclination occur along the pile shaft. The angle of inclination of pile No. 1 is greater than that of pile No. 2. The dip directions of piles No. 1 and No. 2 are identical under the vertical load and bending moment and are opposite to those under the other combined loads. The piles that are located at the junctions between the mudmat and the tops of the piles are easily destroyed.
机译：为了研究不同组合载荷作用下海底泥石桩混合基础的受力和变形特性，研究了南海200 m水深处的工程。使用数值模拟软件FLAC3D开发了海底泥土混合基础的数值模型。在不同的荷载组合下，包括垂直荷载和水平荷载，垂直荷载和弯矩以及水平荷载和弯矩荷载，海床土壤的沉降，泥垫的弯矩以及沿桩身的位移和弯矩，被分析。结果表明，桩的存在减少了海底土壤的沉降。桩的存在减少了泥垫的沉降。沿桩身方向会出现不同程度的倾斜。 1号桩的倾斜角度大于2号桩的倾斜角度。1号桩和2号桩的倾角在垂直荷载和弯矩作用下相同，与在其他组合荷载下的倾角相反。 。位于泥垫和桩顶之间的交界处的桩很容易被破坏。

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