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Shili Ma
College of Civil Engineering, Tongji University, Shanghai 200092, China

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Journal article
Published: 13 January 2020 in Applied Sciences
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The rapid development of offshore wind energy in China is becoming increasingly relevant for movement toward green development. This paper presents the results of visual tests of a suction caisson used as foundation for offshore wind turbines. The distribution of hydraulic gradients of sand at the mudline in the caisson was obtained to find out the relationship with the heights of soil plugs. The relationship equation was proposed and obtained by using quadratic regression, guiding project designs, and construction. It was found that there was no soil plug in the caisson when small suction was applied during the suction penetration. The relationship between the heights of the soil plugs and the hydraulic gradient of the soil was proposed and obtained by using quadratic regression to predict (roughly) the height of soil plugs in suction caissons in sand during suction penetration. The influence of settlement outside caissons on the soil plug was found to decrease as the buried depth rose.

ACS Style

Liquan Xie; Shili Ma; Tiantian Lin. The Seepage and Soil Plug Formation in Suction Caissons in Sand Using Visual Tests. Applied Sciences 2020, 10, 566 .

AMA Style

Liquan Xie, Shili Ma, Tiantian Lin. The Seepage and Soil Plug Formation in Suction Caissons in Sand Using Visual Tests. Applied Sciences. 2020; 10 (2):566.

Chicago/Turabian Style

Liquan Xie; Shili Ma; Tiantian Lin. 2020. "The Seepage and Soil Plug Formation in Suction Caissons in Sand Using Visual Tests." Applied Sciences 10, no. 2: 566.