Many in-service structural components (underwater piles, railroad ties, utility posts, guardrail posts, and others) require strength and stiffness increases either to overcome structural defects, or to enhance the inherent material structural properties. Valuable information regarding composite wrapping materials has already been attained in the initial stages of this research project. Previous projects with similar backgrounds have also displayed comparative results. The objective for this research is to develop procedures to wrap structural components using fiber/fabric-reinforced composites to enhance strength, serviceability, and durability. To accomplish the above objective, research will include the following aspects: Selection of primer and resin combination that is compatible to the original substrate. Type of fiber/fabric-reinforced composite that enhances mechanical, thermal, and chemical resistance. Type of manufacturing/installation process to develop a FRP (Fiber Reinforced Plastics) composite stiffened base material resulting in higher strength and stiffness ratios compared to the original substrate.
Manufacture and rehabilitation of guardrail posts using composite fabrics for superior performance
Fertigung und Sanierung von Leitschienenpfosten mit Hilfe von Verbundgewebe zur Erhöhung der Funktionstüchtigkeit
2001
5 Seiten, 12 Bilder, 5 Quellen
Conference paper
English
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