Simplified Testing of the Bond Strength of Adhesives Used for Bonded Anchors
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Updated: Oct 30, 2025

Standard Test Method ASTM D 7998-19 for the Cohesive Strength Development of Wood Adhesives
Published on: May 17, 2020
Jan Barnat1, Jan Prokeš2, Miroslav Bajer1
1Faculty of Civil Engineering, Brno University of Technology, 602 00 Brno, Czech Republic.
Abstract:
The analysis presented in this paper is focused on problems of bond strength as an overall bond quality parameter of industrial adhesives for structural anchoring. In the first part, the problem of bond strength as the most important parameter influencing the final anchor resistance to tension load is described. Further in the text, a new methodology of simplified testing of the strength parameters of adhesives is described. Special test specimens made from steel are repeatedly used in this methodology. Additionally, results of these tests on some new recipes for adhesive are presented. Especially, epoxy resins with special fillers, such as carbon fibres, carbon nanotubes or graphene, were tested. The use of these adhesives in temperatures close to zero degrees Celsius was also tested.
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