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\begin{document}

\title{Seismic performance analysis of a concrete filled steel tubes arch
bridge: A parametric study}



\author[1]{Xuhui Zhang}%
\author[2]{Qinghui Zhang}%
\author[1]{Hao Sun}%
\author[1]{Wen Ke}%
\author[1]{Lin Ma}%
\author[1]{Lijuan Men}%
\affil[1]{Norinco Group Test and Measuring Academy}%
\affil[2]{Northwestern Polytechnical University School of Aeronautics}%


\vspace{-1em}



  
  \date{May 24, 2024}


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\begin{abstract}
Numerical method was widely used in bridge seismic performance analysis,
but the diversity and complexity structures increased trouble in the
modelling process. This paper presented a systematic, universal and
flexible bridge numerical modelling method, and the seismic performance
of a concrete filled steel tubes arch bridge was studied. The
geometric/attribute model involved structural/stiffness equivalence, and
the bridge parametric modeling strategy combined commercial
computer-aided design language of software MATLAB and ANSYS. Data
exchange in different fields and rapid reconstruction of numerical model
were realized. Finally, the vibration mode, deformation and internal
force of the bridge under seismic load was studied. The results
indicated that the proposed parametric model formed a complete data
transfer process, and the bridge model rapidly modified and
reconstructed. The numerical calculation efficiency was greatly improved
because of the structure element was employed instead of solid element.
The displacement and internal force of arch rib were mainly controlled
by lateral load under horizontal uni-input, and the combined horizontal
and vertical load should be considered in seismic design. The leaning
angle and width-span ratio of transverse braces are considered to
improve the seismic performance of bridges.%
\end{abstract}%



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\verb`Manuscripts.docx`  available at \url{https://authorea.com/users/483001/articles/569324-seismic-performance-analysis-of-a-concrete-filled-steel-tubes-arch-bridge-a-parametric-study}

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