A Prestressed Kevlar/FRP Structural System

by G. Eric Johansen, E.T. Techtonics, United States,
Frederic Roll, E.T. Techtonics, United States,

Document Type: Proceeding Paper

Part of: Serviceability and Durability of Construction Materials


The strength/stiffness characteristics of a new lightweight composite structural system have been investigated in this study. The proposed system is constructed of FRP(E-glass/isophthalic polyester resin) tubes and kevlar 49 cable. It derives its unique strength/stiffness properties by prestressing a beam-truss structural form. Research conducted to date indicates that the proposed system exhibits increased load-carrying capabilities in comparison to existing FRP structural components.

Subject Headings: Structural systems | Cables | Prestressing | Composite structures | Light (artificial) | Comparative studies | Strength of materials | Plasticity

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