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Energy Absorption Properties of Various Square FRP Tubes

[+] Author Affiliations
Masanori Okano, Hiroshi Saito, Asami Nakai, Hiroyuki Hamada

Kyoto Institute of Technology, Kyoto, Japan

Paper No. IMECE2003-42227, pp. 193-201; 9 pages
  • ASME 2003 International Mechanical Engineering Congress and Exposition
  • Transportation: Making Tracks for Tomorrow’s Transportation
  • Washington, DC, USA, November 15–21, 2003
  • Conference Sponsors: Transportation
  • ISBN: 0-7918-3730-0 | eISBN: 0-7918-4663-6, 0-7918-4664-4, 0-7918-4665-2
  • Copyright © 2003 by ASME


In this study, the static and impact energy absorption characteristics and crushing mechanism based on precise cross-sectional observation of crush zone in two kinds of square FRP tube were investigated. The specific energy absorption value of unidirectional tube showed higher value than that of knitted fabric tube in both static and impact test. Energy absorption mechanism changed from central crack progressive mode with fiber fracture to delamination mode without fiber fracture for unidirectional tube, and from central creck progressive mode to collapse mode with large fragments of inner fronds for knitted fabric tube with the change in testing speed from static to impact.

Copyright © 2003 by ASME



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