Double‐Layer Tensegrity Grids: Static Load Response. Part I: Analytical Study
Publication: Journal of Structural Engineering
Volume 117, Issue 6
Abstract
Tensegrity structures are freestanding prestressed cable networks in which the cables are prestressed against a discontinuous system of bars. In double‐layer tensegrity grids (DLTGs), the bars are confined between two parallel layers of cables. This paper presents the analytical part of an investigation of a type of DLTG. A first‐order linear analytical model indicates that these structures possess low stiffness and low bar force efficiency. Under full prestress, determined by the condition that no cable is slack under the applied load, the model predicts deflections of approximately 1/20 of the span, and 20% of bar load‐bearing capacity is available for the applied load, the rest being required by prestress. Member forces and deflections are strongly affected by the span, structural depth and level of prestress. Enhancement techniques are discussed.
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Information & Authors
Information
Published In
Journal of Structural Engineering
Volume 117 • Issue 6 • June 1991
Pages: 1660 - 1674
Copyright
Copyright © 1991 ASCE.
History
Published online: Jun 1, 1991
Published in print: Jun 1991
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