Application of Quadratic Programming Method to Cable Force Calculation of Cable Erection Arch Bridge

Cheng Wu; Jin Yu Liu; Shui Xing Zhou

doi:10.4028/www.scientific.net/AMM.587-589.1364

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 587-589Application of Quadratic Programming Method to...

Application of Quadratic Programming Method to Cable Force Calculation of Cable Erection Arch Bridge

Abstract:

Taking the bare arch deformation under gravity as target alignment, the influence matrix that associates the cable forces with segment deformation is obtained via ANSYS program, and the cable force is quickly calculated by MATLAB quadratic programming toolbox. It is illustrated with an example of Guizhou Zong-xi River Bridge, which is a 360-meter concrete filled steel tube bridge in construction, and the calculation process is given. The results show that, this new method has the advantages of high precision and less number of iterations.

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Periodical:

Applied Mechanics and Materials (Volumes 587-589)

Pages:

1364-1369

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.587-589.1364

Citation:

Cite this paper

Online since:

July 2014

Authors:

Cheng Wu, Jin Yu Liu, Shui Xing Zhou

Keywords:

Arch Bridges, Cable Force, Influence Matrix, Quadratic Programming, Target Alignment

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References

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