CLC number: TU378.1, U448.22
On-line Access: 2024-08-27
Received: 2023-10-17
Revision Accepted: 2024-05-08
Crosschecked: 0000-00-00
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ZHAO Chang-jun, HU Jun, XU Xing. Optimum design of large span concrete filled steel tubular arch bridge based on static, stability and modal analysis[J]. Journal of Zhejiang University Science A, 2002, 3(2): 166-173.
@article{title="Optimum design of large span concrete filled steel tubular arch bridge based on static, stability and modal analysis",
author="ZHAO Chang-jun, HU Jun, XU Xing",
journal="Journal of Zhejiang University Science A",
volume="3",
number="2",
pages="166-173",
year="2002",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.2002.0166"
}
%0 Journal Article
%T Optimum design of large span concrete filled steel tubular arch bridge based on static, stability and modal analysis
%A ZHAO Chang-jun
%A HU Jun
%A XU Xing
%J Journal of Zhejiang University SCIENCE A
%V 3
%N 2
%P 166-173
%@ 1869-1951
%D 2002
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.2002.0166
TY - JOUR
T1 - Optimum design of large span concrete filled steel tubular arch bridge based on static, stability and modal analysis
A1 - ZHAO Chang-jun
A1 - HU Jun
A1 - XU Xing
J0 - Journal of Zhejiang University Science A
VL - 3
IS - 2
SP - 166
EP - 173
%@ 1869-1951
Y1 - 2002
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.2002.0166
Abstract: A three-dimensional finite element model was established for a large span concrete filled steel tubular (CFST) arch bridge which is currently under construction. The arch rib, the spandrel columns, the prestressed concrete box-beam, the cast-in-situ concrete plate of bridge deck, the steel box-beam and the crossbeams connecting the two pieces of arch ribs, were modeled by three-dimensional Timoshenko beam elements (3DTBE). The suspenders were modeled by three-dimensional cable elements (3DCE). Both geometric nonlinearity and prestress effect could be included in each kind of element. At the same time a second finite element model with the same geometric and material properties excepted for the sectional dimension of arch rib was set up. Static dynamic analyses were performed to determine the corresponding characteristics of the structure. The results showed that the arch rib's axial rigidity could be determined by static analysis. The stability and vibration of this system could be separated into in-plane modes, out-of-plane modes and coupled modes. The in-plane stability and dynamic characteristics are determined by the arch rib's vertical stiffness and that of out-of-plane is determined by the crossbeams' stiffness and arch rib's lateral stiffness mainly. The in-plane stiffness is much greater than that of out-of-plane for this kind of bridge . The effect of geometric nonlinearity and prestress effect on bridge behavior is insignificant.
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Open peer comments: Debate/Discuss/Question/Opinion
<1>
Mithun<mithun431@yahoo.com>
2010-11-11 14:17:19
this article is good.