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Study on Dynamic Characteristics and Parameter Sensitivity of Three Spans Prestressed Continuous Beam

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Abstract:

Established the three spans prestressed continuous beam dynamic equation, obtained analytical expression of frequency equation. To solve the frequency equation for natural frequency, and compared with the finite element numerical analysis results, the frequency both with analytical expression and with finite element are in good agreement. The formula can be obtained accurately the dynamic parameters of three spans prestressed continuous beam such as frequency. At the same time, the paper also studied the natural frequency sensitivity analysis of three spans prestressed continuous beam, and focuses on the impact on the frequency with effective prestress and prestressed eccentricity.

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Periodical:

Applied Mechanics and Materials (Volumes 351-352)

Pages:

386-391

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.351-352.386

Citation:

Cite this paper

Online since:

August 2013

Authors:

Lu Ning Shi*, Hao Xiang He, Wei Ming Yan, Yan Jiang Chen, Da Zhang

Keywords:

Dynamic Characteristic, Dynamic Equation, Natural Frequency, Sensitivity Analysis, Three Spans Prestressed Continuous Beam

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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