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ISO 19993:2020

Current Date published:

Timber structures — Glued laminated timber — Face and edge joint cleavage test

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.

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Related Information

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  • AS/NZS 1328.1:1998


    Glued laminated structural timber - Performance requirements and minimum production requirements

  • AS/NZS 1328.1:1998 A1


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  • AS/NZS 1491:1996

    Finger jointed structural timber

  • AS/NZS 4364:2010

    Timber - Bond performance of structural adhesives

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ISO 19993:2020

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