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Cross-section optimization of tower crane lattice boom

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Abstract

This paper discusses the problem of cross-section optimization of tower crane lattice boom. The trapezoid cross section has been analyzed. The triangular and rectangular cross sections have also been analyzed as special cases. Total mass of the construction has been selected as the objective function. Optimization parameters have been determined by Lagrange’s multipliers method. Criterion of stress is used as the constraint function. Numerical examples are performed by usage of the obtained theoretical solutions. Those results were than compared with ones obtained by usage of finite element method based computer program. On the base of the analysis that was carried out, the recommendations are given regarding the application of trapezoid, triangular and rectangular cross sections of the lattice constructions.

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Authors and Affiliations

  1. Faculty of Transport and Traffic Engineering, University of Belgrade, Belgrade, Serbia

    R. Mijailović & G. Kastratović

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  1. R. Mijailović
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  2. G. Kastratović
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Correspondence to R. Mijailović or G. Kastratović.

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Mijailović, R., Kastratović, G. Cross-section optimization of tower crane lattice boom. Meccanica 44, 599–611 (2009). https://doi.org/10.1007/s11012-009-9204-4

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  • DOI: https://doi.org/10.1007/s11012-009-9204-4

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