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Non-linear geometric analysis of multilayer tensegrity tower
Sonawane A., Hawaldar C., Ankad P.,
Published in Elsevier Ltd
In the 1960 s, Fuller introduced Tensegrity structures having astonishing appearance. Owing to their light weight and deployability, this form was mainly employed in building deployable space structures, controllable structures, tensegrity robots and few civil engineering structures like towers, large dome structures, stadium roofs, temporary structures and tents. Principally owing to its inherently high flexibility, tensegrity structures have been scarcely employed in civil engineering construction. Current work attempts to design 220 kV Transmission Tower using tensegrity form. Geometry, loading and design details of this tower in traditional form are available in the literature. In the current work, tensegrity form has been employed to replace traditional tower structure. The geometric configurations for tensegrity towers are obtained by Force Density Method through MATLAB programming (by varying parameters like number of layers, height of layer, overlap between layers). The obtained configuration with prestresses is then modelled using commercially available software SAP2000 (ver. 23.3.1) and analysed for pertinent load combinations. To bring the top displacement of tensegrity tower in conformity with code stipulations, tie cables were employed to the tensegrity tower. From the present work, it is evident that usage of tensegrity form to construct transmission tower results in significant reduction of base area with marginal reduction in mass when compared to traditional towers and possibility of incorporating deployability. © 2022
About the journal
JournalMaterials Today: Proceedings
PublisherElsevier Ltd
Open AccessNo