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2007•Journal of Chongqing Jiaotong UniversityRequires access

Dynamic Characteristic Analysis of Single-column Pylon of Single-Cable-plane Cable-stayed Bridge

Qi Liu

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Abstract

The natural frequency and vibration mode are the principal modal parameters for representing structure dynamic behavior and the important basis for evaluating bridge dynamic performance.A three-dimensional finite element model for single pylon cable-stayed bridge with ANSYS procedure was created to analyze the dynamic performance of Shizhou Cable-Stayed Bridge in Enshi City.The result enunciates that the torsion modal appears early,and the lord across consecution with extension makes the lord across horizontal benting of the first modal,which could serve as reference for the analysis of dynamic behavior of similar bridges.

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The natural frequency and vibration mode are the principal modal parameters for representing structure dynamic behavior and the important basis for evaluating bridge dynamic performance.A three-dimensional finite element model for single pylon cable-stayed bridge with ANSYS procedure was created to analyze the dynamic performance of Shizhou Cable-Stayed Bridge in Enshi City.The result enunciates that the torsion modal appears early,and the lord across consecution with extension makes the lord across horizontal benting of the first modal,which could serve as reference for the analysis of dynamic behavior of similar bridges.

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Available abstract

The natural frequency and vibration mode are the principal modal parameters for representing structure dynamic behavior and the important basis for evaluating bridge dynamic performance.A three-dimensional finite element model for single pylon cable-stayed bridge with ANSYS procedure was created to analyze the dynamic performance of Shizhou Cable-Stayed Bridge in Enshi City.The result enunciates that the torsion modal appears early,and the lord across consecution with extension makes the lord across horizontal benting of the first modal,which could serve as reference for the analysis of dynamic behavior of similar bridges.

Key concepts: Pylon, Structural engineering, Modal, Bridge (graph theory), Torsion (gastropod), Modal analysis, Vibration, Finite element method

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