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NBN ISO 19993:2021
Timber structures — Glued laminated timber — Face and edge joint cleavage test
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Summary
This document specifies methods of evaluating the effectiveness of glued laminated timber face and
edge bonds within a manufacturing plant by cleaving of the glue line in both dry and wet conditions.
It is not intended that it be used for initial type testing where cyclic delamination or block shear is
preferred. It is based on the principle that, provided minimum wood failure percentages are met, then
the bond strength exceeds the perpendicular to the grain tension strength of the under-lying substrate
and therefore the bond is not the weak element limiting the integrity of a glulam assembly.
edge bonds within a manufacturing plant by cleaving of the glue line in both dry and wet conditions.
It is not intended that it be used for initial type testing where cyclic delamination or block shear is
preferred. It is based on the principle that, provided minimum wood failure percentages are met, then
the bond strength exceeds the perpendicular to the grain tension strength of the under-lying substrate
and therefore the bond is not the weak element limiting the integrity of a glulam assembly.
Technical characteristics
| Publisher | Bureau de Normalisation Belge (NBN) |
| Publication Date | 06/09/2021 |
| Page Count | 14 |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
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09/06/2021
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