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IASS 2016 Tokyo Symposium: Spatial Structures in the 21st Century


IASS Symposium 2016

SESSION: Tension & Membrane Structures

Maintaining the Tension of Adaptable Membrane Structures

< Table of Contents for Tension & Membrane Structures
  • Proceedings Name: IASS 2016 Tokyo Symposium: Spatial Structures in the 21st Century
  • ISSN: (Electronic Version) 2518-6582
  • Session: Tension & Membrane Structures
  • Pages: 10
  • Title: Maintaining the Tension of Adaptable Membrane Structures
  • Author(s): Kai Schramme, Annette Ble
  • Keywords: membrane structures, architectural textile, biaxial testing, adaptive facade, movable structure
Abstract
This paper introduces new possibilities in the design of adaptable membrane structures. Traditionally, these structures have two states: Either the fabric is folded together in parking position or deployed in serving position. However, loads can only be carried in deployed state when the membrane is pretensioned. As a consequence, the membrane structure can only be moved when the load application is negligibly small. Textiles that are part of the building envelope and serve as sun shading do not need to fold together if they are adaptable and can be adjusted to the amount of sun transmittance. To adjust the membrane's shape during all weather conditions, the tension must be maintained during motion of the adaptable membrane structure. The aim of this paper is to highlight the most important material properties that are inevitable in the design of adaptivity and illustrate various setups given by the example of a four-point-sail.

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