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


IASS Symposium 2016

SESSION: Tension & Membrane Structures

Recent development of bi-axial shearing test method for fabrics

< 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: Recent development of bi-axial shearing test method for fabrics
  • Author(s): Wujun Chen, Chengjun Gao, Zhenyu Qiu, Taibai Shi
  • Keywords: biaxial test, shear test, fabric, shear modulus, shear strain
Abstract
Accurate mechanical parameters and good understanding of mechanical behaviors of architectural fabrics are important to structural analysis, design and safety. Biaxial tensile test, as an effective means of measuring elastic modulus, has been acknowledged and applied in engineering over the decade. In case of biaxial shearing test, the cruciform specimen is used, the loading arm is 45ーwith respect to warp and weft direction, the loading protocol cold be defined routinely according to plain stress theory of orthogonal composites materials. A series biaxial shearing tests of PVDF-coated fabrics are performed to investigate the shear behavior. The characteristics of the shear strain, shear stress-strain curve are analyzed comprehensively. The shear behavior of PVDF-coated polyester plain-woven fabrics shows remarkable viscous-elastic-plasticity.

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