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Non‐linear analysis of suspension bridges with flexible and rigid cables

    Algirdas Juozapaitis Affiliation
    ; Siim Idnurm Affiliation
    ; Gintaris Kaklauskas Affiliation
    ; Juhan Idnurm Affiliation
    ; Viktor Gribniak Affiliation

Abstract



One of the main problems related to the design of suspension bridges is stabilisation of their initial form. The tendency of suspension bridges to deform is generally determined by the kinematical displacements of the suspension cable caused by asymmetrical loads rather than by the elastic deformations. There are some suspension bridges when the so‐called rigid (stiff in bending) cables instead of usual flexible cables are suggested for stabilisation of their initial form. The analysis methods of such suspension bridges with rigid cables are underdeveloped. For the analysis of classical suspension bridges analytical models can be applied. However, in case of concentrated forces, the numerical techniques are preferred. The article presents analytical expressions for the calculation of internal forces and displacements of suspension bridges with a rigid cable. The article also discusses the discrete calculation model for classical suspension bridges.



Published Published Online: 24 Jun 2011


Keyword : suspension bridge, flexible cable, rigid cable, non-linear analysis, continual model, discrete model, internal forces and displacements

How to Cite
Juozapaitis, A., Idnurm, S., Kaklauskas, G., Idnurm, J., & Gribniak, V. (2010). Non‐linear analysis of suspension bridges with flexible and rigid cables. Journal of Civil Engineering and Management, 16(1), 149-154. https://doi.org/10.3846/jcem.2010.14
Published in Issue
Mar 31, 2010
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