Abstract
A comprehensive experimental investigation of woven roving glass/epoxy laminated composite elliptical tubes subjected to quasi-static lateral loading has been carried out. To this end a series of experiments were conducted for tubes with ellipticity ratio a/b ranging from 0.5 to 2. Typical deformation histories of the tubes are presented and influences thereon of ellipticity ratio are discussed. It was found that for a/b > 1, two fracture lines developed, whereas for a/b < 1 only one fracture line was observed to develop. Modes of energy dissipation mechanisms are identified and analysed on the basis of micro and macro failure levels. Ellipticity ratio significantly affected the energy absorption capability of the tubes.
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