Stability analysis of some constructed cable trusses

Abstract

This paper is both a presentation and an analysis of some built cable trusses used for covering large spans according to some data which were selected and available from the literature. An overall response of a construction to static loadings applying the original software of the combined analytical-numerical method gives the possibility of a more comprehensive analysis of the chosen systems. The results obtained in this way were analyzed concerning stability criteria in relation to static loadings (minimum forces of prestressing, the occurrence of unstressed rods, exceeded displacement). Having compared the obtained data with the updated stability criteria we comment the present situation and suggest the ways of improving the stability of the cable trusses which were analyzed.

Keywords

• stability
• cable trusses
• transient stiffness method
• force density method
• allowed displacements