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Numerical approach for simulating the tensioning process of complex prestressed cable-net structures

    Deshen Chen Affiliation
    ; Yan Zhang Affiliation
    ; Hongliang Qian Affiliation
    ; Huajie Wang Affiliation
    ; Xiaofei Jin Affiliation

Abstract

The stability of cable-net structures depends on the prestress of the system. Due to the large displacement and mutual effect of the cables, it is difficult to simulate the tensioning process and control the forming accuracy. The Backward Algorithm (BA) has been used to simulate the tensioning process. The traditional BA involves complicated and tedious matrix operations. In this paper, a new numerical method based on the Vector Form Intrinsic Finite Element (VFIFE) method is proposed for BA application. Moreover, the tensioning sequence of a complex cable-net structure is introduced. Subsequently, a new approach for BA application in the simulation of the tensioning process is presented, which combines the VFIFE approach and the notion of form-finding. Finally, a numerical example is simulated in detail and the results of different tensioning stages are analyzed to verify the feasibility of the proposed approach. This study provides a significant reference for improving the construction control and forming accuracy of complex prestressed cable-net structures.

Keyword : tensioning process simulation, Backward algorithm, complex cable-net structure, computational method, Vector Form Intrinsic Finite Element

How to Cite
Chen, D., Zhang, Y., Qian, H., Wang, H., & Jin, X. (2021). Numerical approach for simulating the tensioning process of complex prestressed cable-net structures. Journal of Civil Engineering and Management, 27(8), 571-578. https://doi.org/10.3846/jcem.2021.15776
Published in Issue
Nov 8, 2021
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This work is licensed under a Creative Commons Attribution 4.0 International License.

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