IMECH-IR  > 水动力学与海洋工程重点实验室(2009-2011)
On the capacity and deformation of bucket foundation under dynamic loadings
Li C; Lu XB(鲁晓兵); Wang SY(王淑云); Li, C.
Source PublicationProceedings of the International Offshore and Polar Engineering Conference
2010
Conference Name20th International Offshore and Polar Engineering Conference, ISOPE-2010
Conference DateJune 20, 2010 - June 25, 2010
Conference PlaceBeijing, China
AbstractSimplified numerical model is built according to centrifugal experimental results. The liquefaction degree and deformation of sand sediment around bucket foundation are simulated. Effects of main factors are investigated. A spring model for modeling the capacity degradation of bucket foundation is presented in which sand resistance is modeled by uncoupled, non-linear sand springs. When the liquefaction degree is 0.9 near the surface and is only 0.06 at the bottom of sand sediment, the capacity degradation of bucket is 12%, whereas it is 17% in centrifugal experiments. Deformation of sand sediment increases with the increase of loading amplitude and skeleton's elastic modulus and the decrease of frequent. The maximum vertical deformation on the surface of sediment is 0.25 times of bucket depth away from loading side. The maximum horizontal deformation is on the loading side. Copyright © 2010 by The International Society of Offshore and Polar Engineers (ISOPE).
KeywordBucket Foundation Capacity Degradation Dynamic Loading Dynamic Loadings Horizontal Deformation Non-linear Numerical Models Spring Model Vertical Deformation
DepartmentLMFS海洋土力学(LHO)
ISBN9781880653777
Indexed ByEI
Language英语
Document Type会议论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/60345
Collection水动力学与海洋工程重点实验室(2009-2011)
Corresponding AuthorLi, C.
Recommended Citation
GB/T 7714
Li C,Lu XB,Wang SY,et al. On the capacity and deformation of bucket foundation under dynamic loadings[C],2010.
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