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Dynamic analysis of the Yellow River main bridge in Zhengzhou

Huai Chen

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Abstract

In this paper dynamic behaviour of the Yellow River main bridge in Zhengzhou section of Jingzhu expressway is studied. The finite element analysis software ANSYS is adopted to set up a three-dimensional finite element model of a CFT arch bridge of the main bridge. The natural periods and modes of the CFT arch bridge are calculated by using the subspace iteration method. Meanwhile its modal characteristics are analyzed. The calculating results can offer the related technical parameters and basic data for the design certification, construction, health detection and maintenance in working conditions.

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What this paper is about

In this paper dynamic behaviour of the Yellow River main bridge in Zhengzhou section of Jingzhu expressway is studied. The finite element analysis software ANSYS is adopted to set up a three-dimensional finite element model of a CFT arch bridge of the main bridge. The natural periods and modes of the CFT arch bridge are calculated by using the subspace iteration method. Meanwhile its modal characteristics are analyzed. The calculating results can offer the related technical parameters and basic data for the design certification, construction, health detection and maintenance in working conditions.

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Available abstract

In this paper dynamic behaviour of the Yellow River main bridge in Zhengzhou section of Jingzhu expressway is studied. The finite element analysis software ANSYS is adopted to set up a three-dimensional finite element model of a CFT arch bridge of the main bridge. The natural periods and modes of the CFT arch bridge are calculated by using the subspace iteration method. Meanwhile its modal characteristics are analyzed. The calculating results can offer the related technical parameters and basic data for the design certification, construction, health detection and maintenance in working conditions.

Key concepts: Bridge (graph theory), Structural engineering, Finite element method, Arch bridge, Modal, Modal analysis, Subspace topology, Computer science

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