A numerical model for considering the bond-slip effect in axially loaded circular concrete-filled tube columns

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This article introduces a numerical model that simulates the bond-slip behaviour in axially loaded circular concrete-filled tube columns without applying double nodes required in the use of the classical bond-link element. After calculating the nodal displacements of infilled concrete, the deformation in the steel tube at each node has been found through the back-substitution technique from the first to the final steel element using a governing equation constructed on the basis of the force equilibrium and displacement compatibility at each node. Finally, correlation studies between analytical and experimental results are conducted to verify the efficiency and applicability of the introduced model.
Publisher
SAGE PUBLICATIONS INC
Issue Date
2018-09
Language
English
Article Type
Article
Keywords

FINITE-ELEMENT-ANALYSIS; PLASTIC-DAMAGE MODEL; STEEL COLUMNS; CFT COLUMNS; BEHAVIOR; MOMENT; MEMBERS; FORCE

Citation

ADVANCES IN STRUCTURAL ENGINEERING, v.21, no.12, pp.1923 - 1935

ISSN
1369-4332
DOI
10.1177/1369433218759779
URI
http://hdl.handle.net/10203/245659
Appears in Collection
CE-Journal Papers(저널논문)
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