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CLC number: TU398

On-line Access: 2024-08-27

Received: 2023-10-17

Revision Accepted: 2024-05-08

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Journal of Zhejiang University SCIENCE A 2005 Vol.6 No.8 P.826-835

http://doi.org/10.1631/jzus.2005.A0826


Three-dimensional nonlinear analysis of creep in concrete filled steel tube columns


Author(s):  Cheng Xiao-dong, Li Guang-yu, Ye Gui-ru

Affiliation(s):  Department of Civil Engineering, Zhejiang University, Hangzhou 310027, China; more

Corresponding email(s):   cheng_xiaodong@163.com, ygr5812@mail.hz.zj.cn

Key Words:  Three-dimensional virtual laminated element (3D-VLE), Creep analysis, Three-dimensional viscoelastic theory, Three-parameters viscoelastic model, Concrete filled steel tube columns


Cheng Xiao-dong, Li Guang-yu, Ye Gui-ru. Three-dimensional nonlinear analysis of creep in concrete filled steel tube columns[J]. Journal of Zhejiang University Science A, 2005, 6(8): 826-835.

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author="Cheng Xiao-dong, Li Guang-yu, Ye Gui-ru",
journal="Journal of Zhejiang University Science A",
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number="8",
pages="826-835",
year="2005",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.2005.A0826"
}

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%T Three-dimensional nonlinear analysis of creep in concrete filled steel tube columns
%A Cheng Xiao-dong
%A Li Guang-yu
%A Ye Gui-ru
%J Journal of Zhejiang University SCIENCE A
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%@ 1673-565X
%D 2005
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.2005.A0826

TY - JOUR
T1 - Three-dimensional nonlinear analysis of creep in concrete filled steel tube columns
A1 - Cheng Xiao-dong
A1 - Li Guang-yu
A1 - Ye Gui-ru
J0 - Journal of Zhejiang University Science A
VL - 6
IS - 8
SP - 826
EP - 835
%@ 1673-565X
Y1 - 2005
PB - Zhejiang University Press & Springer
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DOI - 10.1631/jzus.2005.A0826


Abstract: 
This paper proposes a based on 3D-VLE (three-dimensional nonlinear viscoelastic theory) three-parameters viscoelastic model for studying the time-dependent behaviour of concrete filled steel tube (CFT) columns. The method of 3D-VLE was developed to analyze the effects of concrete creep behavior on CFT structures. After the evaluation of the parameters in the proposed creep model, experimental measurements of two prestressed reinforced concrete beams were used to investigate the creep phenomenon of three CFT columns under long-term axial and eccentric load was investigated. The experimentally obtained time-dependent creep behaviour accorded well with the curves obtained from the proposed method. Many factors (such as ratio of long-term load to strength, slenderness ratio, steel ratio, and eccentricity ratio) were considered to obtain the regularity of influence of concrete creep on CFT structures. The analytical results can be consulted in the engineering practice and design.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article

Reference

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[5] Cheng, X., Ye, G., Wang, J., 2004a. Theoretical investigation of creep in concrete filled steel tube columns under long-term load. Journal of Zhejiang University (Engineering Science), 38(8):68-77 (in Chinese).

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[7] Ichinose, L.H., Watanabe, E., Nakai, H., 2001. An experimental study on creep of concrete filled steel pipes. Journal of Constructional Steel Research, (57):453-466.

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[9] Qi, J., 1986. Experimental Investigation of the Effects on the Strength of Concrete Filled Tubular under Eccentric Load. Harbin Architectural and Civil Engineering Institute.

[10] Tan, S., Qi, J., 1987. Experimental investigation of the effects on the strength of concrete filled tubular compression members load. Journal of Harbin Architectural and Civil Engineering Institute, (2):10-24.

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[13] Xu, X., Cheng, X., Ling, D., 2002. Finite element analysis of load bearing capacities of concrete filled steel tube columns under axial load. ACTA Mechanical Solid Sinica, 23(4):419-425.

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