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


IASS Symposium 2016

SESSION: Tension & Membrane Structures

An Experimental Study on Stress Relaxation of ETFE Film Structure by Stretch Fabrication

< 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: 8
  • Title: An Experimental Study on Stress Relaxation of ETFE Film Structure by Stretch Fabrication
  • Author(s): EulSeok Jeong, Masaya Kawabata
  • Keywords: ETFE film, stretch fabrication, biaxial tensile test, tensile membrane structure, viscosity behavior
Abstract
This paper proposes the stretch fabrication of ETFE film to verify the applicability of ETFE films to tensile membrane structures. In previous work, a stretching method that is able to increase the yield strength of ETFE film to film's plastic region during panel installation was proposed, and the effectiveness of stretch fabrication was confirmed. In this paper, to investigate the possibility of application on tensile membrane structures, a stretch fabrication test is carried out, and it is verified that it is possible to increase the yield strength of the film membrane structures. And then, post-aging tension measurement is conducted at the experimental facilities, and the visco-plastic behavior resulting from stress relaxation is investigated with respect to tensile membrane structures.

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