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UDK: UDK 624.074.5:624.043

Published: Građevinar 65 (2013) 12
Paper type: Professional paper
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Determination of prestressing levels for cable trusses as a function of their stability

Ljubomir Vlajić, Dragan Kostić, Mirko Aćić

Abstract

The stability of prestressed cable trusses subjected to static and dynamic loads is analysed in the paper. The stiffness of the elastic cable truss system was varied by changing the prestressing force. Modelling results for different levels of tension show that, in terms of satisfying dynamic resistance conditions, a much greater tensile force is required for cable grids with diagonal members, compared to those with vertical rods. The conclusions derived constitute recommendations for the use of calculation methods, as well as for the determination of prestressing forces under which stability criteria are fulfilled.

Keywords
stability, stiffness, cable trusses, vibrations caused by wind, eigen and forced oscillations

HOW TO CITE THIS ARTICLE:

Vlajić, L., Kostić, D., Aćić, M.: Determination of prestressing levels for cable trusses as a function of their stability, GRAĐEVINAR, 65 (2013) 12, pp. 1097-1110, doi: https://doi.org/10.14256/JCE.863.2013

OR:

Vlajić, L., Kostić, D., Aćić, M. (2013). Determination of prestressing levels for cable trusses as a function of their stability, GRAĐEVINAR, 65 (12), 1097-1110, doi: https://doi.org/10.14256/JCE.863.2013

LICENCE:

Creative Commons License
This paper is licensed under a Creative Commons Attribution 4.0 International License.
Authors:
VLAJIC LJUBOMIR WEB
Ljubomir Vlajić
University of Subotica
Faculty of Civil Engineering
KOSTIC DRAGAN WEB
Dragan Kostić
University of Nis
Faculty of Civil Engineering and Architecture
ACIC MIRKO web
Mirko Aćić
University of Belgrad
Faculty of Civil Engineering