Numerical Simulation of Liquefaction Deformation of Sand Layer around Bucket Foundations under Dynamic Loadings
Li C(李驰); Lu XB(鲁晓兵); Wang SY(王淑云); Li C(李驰)
2010-02-16
发表期刊The Open Ocean Engineering Journal
卷号3期号:2页码:75-81
摘要Bucket Foundations under Dynamic Loadings The liquefaction deformation of sand layer around a bucket foundation is simulated under equivalent dynamic ice-induced loadings. A simplified numerical model is presented by taking the bucket-soil interaction into consideration. The development of vertical and horizontal liquefaction deformations are computed under equivalent dynamic ice-induced loadings. Firstly, the numerical model and results are proved to be reliable by comparing them with the centrifuge testing results. Secondly, the factors and the development characteristics of liquefaction deformation are analyzed. Finally, the following numerical simulation results are obtained: the liquefaction deformation of sand layer increases with the increase of loading amplitude and with the decrease of loading frequency and sand skeleton’s strength. The maximum vertical deformation is located on the sand layer surface and 1/4 times of the bucket’s height apart from the bucket’s side wall (loading boundary). The maximum horizontal deformation occurs at the loading boundary. When the dynamic loadings is applied for more than 5 hours, the vertical deformation on the sand layer surface reaches 3 times that at the bottom, and the horizontal deformation at 2.0 times of the bucket height apart from the loading boundary is 3.3% of which on the loading boundary.
学科领域岩体力学和土力学
收录类别其他
语种英语
文献类型期刊论文
条目标识符http://dspace.imech.ac.cn/handle/311007/33052
专题水动力学与海洋工程重点实验室(2009-2011)
通讯作者Li C(李驰)
推荐引用方式
GB/T 7714
Li C,Lu XB,Wang SY,et al. Numerical Simulation of Liquefaction Deformation of Sand Layer around Bucket Foundations under Dynamic Loadings[J]. The Open Ocean Engineering Journal,2010,3(2):75-81.
APA Li C,Lu XB,Wang SY,&李驰.(2010).Numerical Simulation of Liquefaction Deformation of Sand Layer around Bucket Foundations under Dynamic Loadings.The Open Ocean Engineering Journal,3(2),75-81.
MLA Li C,et al."Numerical Simulation of Liquefaction Deformation of Sand Layer around Bucket Foundations under Dynamic Loadings".The Open Ocean Engineering Journal 3.2(2010):75-81.
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