IMECH-IR  > 流固耦合系统力学重点实验室
On the instability of offshore foundations: theory and mechanism
Gao FP(高福平); Li JH; Qi WG(漆文刚); Hu C(胡存); Gao, FP (reprint author), Chinese Acad Sci, Inst Mech, Beijing 100190, Peoples R China.
Source PublicationSCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY
2015-12
Volume58Issue:12Pages:124701
ISSN1674-7348
AbstractAs the offshore engineering moving from shallow to deep waters, the foundation types for fixed and floating platforms have been gradually evolving to minimize engineering costs and structural risks in the harsh offshore environments. Particular focus of this paper is on the foundation instability and its failure mechanisms as well as the relevant theory advances for the prevailing foundation types in both shallow and deep water depths. Piles, spudcans, gravity bases, suction caissons, and plate anchors are detailed in this paper. The failure phenomena and mechanisms for each type of foundations are identified and summarized, respectively. The theoretical approaches along with sophisticated empirical solutions for the bearing capacity problems are then presented. The major challenges are from flow-structure-soil coupling processes, rigorous constitutive modeling of cyclic behaviors of marine sediments, and the spatial variability of soil properties for large-spreading structures. Further researches are suggested to reveal the instability mechanisms for underpinning the evolution of offshore foundations.
KeywordFailure Mechanism Bearing Capacity Fluid-structure Interaction Offshore Foundation Soil Dynamics
DOI10.1007/s11433-015-5745-9
URL查看原文
Indexed BySCI ; EI ; CSCD
Language英语
WOS IDWOS:000365817400009
WOS KeywordPLATE ANCHORS ; BEARING CAPACITY ; SOFT CLAY ; PLASTICITY MODEL ; SHALLOW FOUNDATIONS ; SPUDCAN FOUNDATIONS ; UNDRAINED CAPACITY ; CIRCULAR FOOTINGS ; SAND ; BEHAVIOR
WOS Research AreaPhysics
WOS SubjectPhysics, Multidisciplinary
Funding OrganizationThis work was supported by the National Natural Science Foundation of China (Grant Nos. 11232012, 11372319 and 51309213) and the National Key Basic Research Program of China (Grant No. 2014CB046204).
CSCD IDCSCD:5582928
DepartmentLMFS流固土耦合力学(LHO)
Classification二类/Q3
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/58373
Collection流固耦合系统力学重点实验室
Corresponding AuthorGao, FP (reprint author), Chinese Acad Sci, Inst Mech, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Gao FP,Li JH,Qi WG,et al. On the instability of offshore foundations: theory and mechanism[J]. SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY,2015,58(12):124701.
APA Gao FP,Li JH,Qi WG,Hu C,&Gao, FP .(2015).On the instability of offshore foundations: theory and mechanism.SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY,58(12),124701.
MLA Gao FP,et al."On the instability of offshore foundations: theory and mechanism".SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY 58.12(2015):124701.
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