Ocean Engineering Equipment and Technology››2023,Vol. 10››Issue (3): 125-131.doi:10.12087/oeet.2095-7297.2023.03.18

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Finite Element Analysis of Soil Heave during Settlement of Suction Foundation

Xu Fan1, Deng Yucong1, Chen Rumu1, Ren Guanglu2, Lu Jiaqi1

  1. 1 Kunming Shipborne Equipment Research Test Center, Kun Ming, 650216,Yun Nan,China)(2 92942 Troops Of The Chinese People's Liberation Army, Bei Jing 100161, China

  • Online:2023-11-03Published:2023-11-03

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Abstract:Suction foundation is widely used in the installation and fixation of large offshore engineering structures. In this paper, the finite element analysis software ABAQUS is used to establish a three-dimensional large deformation finite element analysis model based on the coupled Euler Lagrange method (CEL). The finite element numerical simulation of the soil plug uplift process during the installation and settlement of suction foundation is carried out. The finite element simulation results and theoretical calculation are comprehensively analyzed, and the mechanism of soil plug uplift and its weakening the ultimate bearing capacity of suction foundation is obtained.

Key words:Suction Foundation,Soil Plug,Bearing Capacity,Diameter-Length Ratio ,CEL

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