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摘要：
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文中用有限元分析方法对筒形基础负压沉贯渗流场进行动态模拟，提出了筒形基础负压沉贯过程中筒内上体稳定性的有限元计算模型，根据临界水力坡降方法建立了筒内土体稳定性的判别准则。计算结果表明了计算模型的可靠性和工程实用性
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This paper, using a finite element analysis method, describes the dynamic simulation on the seepage field in the soil in the process of the bucket foundation platform penetration provides a finite element calculation model of water-dynamic stability inside bucket in the process of suction penetration of the bucket foundation platform, gives the formation of an united criterion to distingUish the water-dynamic stability of the soil inside bucket according to the critical hydraulic gradient method. The reliability of calculation model and the applicability in engineering have been proved in the results.
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作者简介：
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参考文献：
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1A. Bve. Noteby, C. Erbrich, Kvaemer Earl & Wright,B.Rognlien,Aker Engineering, T.L.Tjeita.Statoil,Geotechnical Design of Bucket Foundation. OTC7793,1995
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6T.I.Tjelta,Statoil,Geotechnical Experience from theInstallation of the Europipe Jacket with BucketFoundations.OTC7795,1995
7任贵永,孟昭瑛,杨树耕等.黄河三盛公枢纽工程拦河闸安全运用水头研究报告.天津大学,1992
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