期刊名称：Current Journal of Applied Science and Technology
印刷版ISSN：2457-1024
出版年度：2019
卷号：38
期号：2
页码：1-24
DOI：10.9734/cjast/2019/v38i230350
语种：English
出版社：Sciencedomain International
摘要：Aim: In this study it is presented a methodology to determine the structural response of a tensegrity
system working under the effects of wind, temperature variations and when coupled to a steel
spatial grid applied as pedestrian bridge. This methodology is based in applying nonlinear static and
dynamic analyzes and the base motion method.
Place and Duration of Study: The study was carried out in the Graduate Engineering Department,
Universidad Autonoma de Queretaro, Queretaro, Mexico. September 2017 to July 2019.
Methodology: At first instance, it was analyzed the equilibrium configuration of a tensegrity system
by only considering self-weight through non-linear static analyzes. In the second stage, it was
studied the structural response and internal forces of the proposed tensegrity system under
environmental loads as temperature variations and wind forces, which were represented as
dynamic effects in a non-linear finite element model. Later, a spatial steel grid was analyzed for
such environmental loads but using linear static analyzes. Finally, by applying the principle of
superposition to the spatial steel grid, and the base motion method to the tensegrity system, it was
represented the coupling of both systems as a single assembly.
Results: The structural response of a tensegrity system when working under different load
conditions is obtained. Also, the effects produced by the coupling of both systems are determined.
Conclusion: The study concluded that the tensegrity system shows a stable response for the
different load combinations established. There are also denoted the increases in internal forces and
displacements for specific loads cases, which may affect locally some components and the overall
behavior of the assembly.
关键词：Tensegrity structures;static and dynamic nonlinear analysis;base motion method;pedestrian bridge.
