ETFEフィルムの張力膜構造への適用性に関する基礎的研究 : ばねストラット式張力膜構造の有効性について

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As for the membrane structures made of ETFE-film, an air-cushion system not a tensile membrane system has been proposed. The reasons include its material property, such as weak strength, low rigidity and large creep strain. This paper focuses on the realization of tensile membrane structure using ETFE-fllm with a spring-strut system, and the following points are evaluated. 1. To grasp the behavior of creep or relaxation behavior of ETFE-filni and to propose the new analysis model with material models. 2. To evaluate the necessity of three-dimensional cutting of ETFE-fmlmrm for the horn-shaped membrane by the structural property obtained form analyses and experiments. 3. To grasp the suitable constant of spring of this system for ETFE-fllm by analyses and to evaluate the property of this system experimentally on actual models. As the result of this study, the capability of the spring-strut system using ETFE-tilm is demonstrated experimentally and analytically.
2009-03-27