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An Improved Mathematical Calculation Method for Beam String Structure Based on Static Equilibrium Principle

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Abstract

The beam string structure (BSS) has been widely applied to public buildings (e.g. sports venues and exhibition centers) for its strong adaptability to architectural form and reasonable load bearing mechanism. However, most mathematical calculation methods for BSS are too complicated to be generally mastered by structural engineers, which limits the promotion and actual application. In this paper, two analytical calculation methods for the BSS are proposed based on displacement control objectives and work-energy principle. The computational formulas are then derived to calculate the member internal force and structural deformation. On this basis, the tension and static load tests and the finite element analytical method have been carried out to assess the calculation methods. The results of the tests and simulation are in good agreement with the analytical solution obtained by the computational formulas. Moreover, the formulas can be more appropriate with a greater beam span, proper rise–span and sag–span ratios (between 1/15 and 1/12) as well as more brace struts.

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Acknowledgements

The author would like to thank the support from the National Natural Science Foundation of China (No. 51478310).

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Authors and Affiliations

  1. School of Civil Engineering, Tianjin University, Tianjin, 300072, China

    Xiangyu Yan, Hong Hu, Zhihua Chen & Yan Yang

  2. Institute of Architectural Design, Tianjin University, Tianjin, 300073, China

    Xiangyu Yan

  3. China Changjiang Construction Investment Co,Ltd, Chengdu, 610017, China

    Hong Hu

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  1. Xiangyu Yan
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  2. Hong Hu
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  4. Yan Yang
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Correspondence to Zhihua Chen.

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Yan, X., Hu, H., Chen, Z. et al. An Improved Mathematical Calculation Method for Beam String Structure Based on Static Equilibrium Principle. Int J Steel Struct 20, 1241–1255 (2020). https://doi.org/10.1007/s13296-020-00355-z

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  • DOI: https://doi.org/10.1007/s13296-020-00355-z

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