Influence of glue-free zones on the withdrawal capacity of glued-in steel threaded rods

The hidden nature of a glued-in rod joint presents considerable challenges with regards to quality control, and there has been minimal research on the subject to fully understand the influence of defects on the joint performance. In this study, voids in adhesive line or glue-free zones were simulate...

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Bibliographic Details
Published inBioresources Vol. 18; no. 1; pp. 1206 - 1214
Main Authors Pugovics, Karlis, Spulle, Uldis, Arhipova, Irina, Grants, Edvins, Klancbergs, Kristians
Format Journal Article
LanguageEnglish
Published Raleigh North Carolina State University 01.02.2023
Subjects
Adhesives
Defects
Deformation
destructive testing
Experiments
glue-free zones
glued-in steel treaded rods
Gluing
Manufacturers
Manufacturing
Quality control
Rods
Simulation
Timber
withdrawal capacity
Wood
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Summary:The hidden nature of a glued-in rod joint presents considerable challenges with regards to quality control, and there has been minimal research on the subject to fully understand the influence of defects on the joint performance. In this study, voids in adhesive line or glue-free zones were simulated in various depths of the embedded rod, and the results were compared to a reference sample population without defects. Withdrawal capacity of glued-in steel threaded rods were lower compared to reference group samples without gluing defects, when glue simulated voids or glue-free zones were positioned in the middle part and upper (closer to sample crosscut surface) part of the glued-in rods. And no difference was observed of simulated glue-free zones in the lower (the deepest) part, closer to the end of the glued-in rod, compared to reference group samples without gluing defects.
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ISSN:1930-2126
1930-2126
DOI:10.15376/biores.18.1.1206-1214