IMECH-IR  > 流固耦合系统力学重点实验室
Ultimate bearing capacity of a pipeline on clayey soils: Slip-line field solution and FEM simulation
Gao FP(高福平); Wang N(汪宁); Zhao B(赵波); Gao, FP (reprint author), Chinese Acad Sci, Inst Mech, Key Lab Mech Fluid Solid Coupling Syst, Beijing 100190, Peoples R China
Source PublicationOCEAN ENGINEERING
2013-11-15
Volume73Pages:159-167
ISSN0029-8018
AbstractThe ultimate bearing capacity of a cylindrical foundation (e.g. a submarine pipeline, circular mooring lines) on clayey soils is analyzed analytically and numerically by employing the slip-line field theory and the plane-strain finite element method respectively. A slip-line field solution is presented, taking into account of circular configuration of the pipe, the pipe embedment, and the pipe–soil interfacial cohesion. The derived bearing capacity factors for a smooth rigid pipe may limit to those for the conventional rectangle-shaped strip footing while the pipe embedment is approaching zero. A plane-strain finite element model is further proposed to simulate the quasi-static process of the pipeline penetrating into the clay soil, in which the contact-pair algorithm and adaptive meshing technique are employed, and the Drucker–Prager constitutive model is used for modeling the soil plasticity. Comparison indicates that the present numerical results match well with the derived slip-line solutions. According to the obtained vertical load–displacement curves, concurrently referring to the plastic strain field and the soil incremental-displacement vector field, the shear failure types and the corresponding collapse loads can be thereby determined for the pipeline foundations on clayey soils.
KeywordCollapse Loads Slip-line Field Theory Plane-strain Fem Collapse Loads Steel Catenary Riser Submarine Pipeline
Subject Area岩体力学和土力学
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Indexed BySCI ; EI
Language英语
WOS IDWOS:000326997700016
Funding OrganizationThis work was financially supported by the National Natural Science Foundation of China (Grantnos.11372319, 11232012) and the Major State Basic Research Development Program of China (973Program) (Grantno.2014CB046204).
DepartmentLMFS流固土耦合力学(LHO)
Classification一类
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Cited Times:10[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/47507
Collection流固耦合系统力学重点实验室
Corresponding AuthorGao, FP (reprint author), Chinese Acad Sci, Inst Mech, Key Lab Mech Fluid Solid Coupling Syst, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Gao FP,Wang N,Zhao B,et al. Ultimate bearing capacity of a pipeline on clayey soils: Slip-line field solution and FEM simulation[J]. OCEAN ENGINEERING,2013,73:159-167.
APA Gao FP,Wang N,Zhao B,&Gao, FP .(2013).Ultimate bearing capacity of a pipeline on clayey soils: Slip-line field solution and FEM simulation.OCEAN ENGINEERING,73,159-167.
MLA Gao FP,et al."Ultimate bearing capacity of a pipeline on clayey soils: Slip-line field solution and FEM simulation".OCEAN ENGINEERING 73(2013):159-167.
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