Stability Analysis of Circular Steel Tube Cable-Braced Grid Shells with Initial Imperfection

Zhi Ying Zhang; Xun Zhao; Hong Yang Wei

doi:10.4028/www.scientific.net/AMM.501-504.695

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 501-504Stability Analysis of Circular Steel Tube...

Stability Analysis of Circular Steel Tube Cable-Braced Grid Shells with Initial Imperfection

Abstract:

Cable-braced grid shell is new single-shell form that is preferable to structural characteristics of glass skylight. Due to the cross diagonal cables arranged in the grid plane, the whole structure becomes a hybrid structure with superior mechanical properties, which combines advantages of rigid structure and advantages of flexible structure. Through finite element analysis, a circular steel tube cable-braced grid shell that has a span of 50 meters and with initial imperfections, is taken as an example in the paper. Numerous effects on the stability of cable-braced grid shell, such as load distribution form, height-to-span ratio, cross-sectional area of component and prestressed cable, are taken into comparison. The main factors which have effects on the stability of cable-braced grid shell are demonstrated, as a practical research reference for the future development of cable-braced grid shell.

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Periodical:

Applied Mechanics and Materials (Volumes 501-504)

Pages:

695-699

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.501-504.695

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Online since:

January 2014

Authors:

Zhi Ying Zhang, Xun Zhao, Hong Yang Wei

Keywords:

Cable-Braced Grid Shell, Finite Element Analysis (FEA), Initial Imperfections, Pre-Stress

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