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


IASS Symposium 2016

SESSION: Tension & Membrane Structures

Analysis of the response of suspen-dome structure at elevated temperatures

< 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: 6
  • Title: Analysis of the response of suspen-dome structure at elevated temperatures
  • Author(s): Ye-Hua Wang, Zu-Yan Shen, Yuan-Qi Li
  • Keywords: suspen-dome structure, structural response, elevated temperatures, fire resistance
Abstract
The suspen-dome structure, as a highly effective structural system, is extensively used in Japan and China. In the same time, the fire accidents of suspen-dome structure are sometimes occurred. However, the research on fire resistance of the structure is relatively limited. In this paper, geometrically and materially nonlinear finite element analysis of the response of suspen-dome structure at elevated temperatures simulating the fire condition is conducted to research the fire resistance of the structure. The results show that the deformation mechanism of the suspen-dome structure at elevated temperature appears the feature of expansion-to-fall, and variational rules of the forces of the members of the structure appears that the axial force firstly increase and then decrease with the temperature increasing. Then according to the analytical results, a failure criterion of suspen-dome structure at elevated temperature is proposed based on vertical strut buckling or cable relaxing.

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