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Inductively heated glued-in GFRP rods using adhesives with metallic particles - cured within five minutes

: Vallée, Till; Adam, Michael; Grunwald, Cordula; Fecht, Simon

Fulltext ()

TU Wien:
WCTE 2016, World Conference on Timber Engineering : August 22-25, 2016, Vienna, Austria, CD-ROM Proceedings
Vienna, 2016
ISBN: 978-3-903039-00-1 (CD-ROM)
ISBN: 978-3-903024-35-9 (e-Book)
World Conference on Timber Engineering (WCTE) <2016, Vienna>
Conference Paper, Electronic Publication
Fraunhofer IFAM ()

Glued-in-rods represent a particular class of adhesively bonded joints increasingly being used in civil engineering, and in which load is transmitted from timber elements by means of rods through a layer of adhesive. Commonly used adhesives for glued-in rods in timber engineering, cold curing 2K epoxies or polyurethanes, besides requiring relatively cumbersome bonding processes, only harden relatively slowly. Pre-applicable structural adhesives are adhesives that can be applied on parts, then stored for weeks or months, and subsequently triggered to achieve adhesive and cohesive strength. The pre-applicable structural adhesive investigated in this research (PASA®) can achieve full cure by supplying thermal energy, which for the case investigated herein has been provided by induction. Because of the non-metallic nature of the FRP rods induction was achieved by mixing metallic particles to the adhesive.