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BS EN 302-8:2023 – TC

$186.33

Tracked Changes. Adhesives for load-bearing timber structures. Test methods – Static load test of multiple bond line specimens in compression shear

Published By Publication Date Number of Pages
BSI 2023 56
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This document specifies a method of determining the ability of adhesive bonds to resist static load. It is applicable to adhesives used in load bearing timber structures. It is applicable for the following applications: a) for assessing the compliance of adhesives according to EN 301, EN 15425, EN 16254, EN 17334 and EN 17418; b) for assessing the suitability and quality of adhesives for load-bearing timber structures; c) for assessing the effect on the bond strength resulting from constant load at different climate conditions. This method is intended primarily to obtain performance data for the classification of adhesives for load bearing timber structures according to their suitability for use in defined climatic environments. This method is not intended to provide data for structural design and does not necessarily represent the performance of the bonded member in service.

PDF Catalog

PDF Pages PDF Title
34 undefined
40 1 Scope
2 Normative references
41 3 Terms and definitions
4 Principle
5 Apparatus
5.1 Test jig
44 5.2 Equipment for climate control
5.3 Testing machine
6 Test specimens
6.1 Selection of wood
6.2 Preparation of the laminated members
6.2.1 Test pieces with close contact glue line
47 6.2.2 Test pieces with thick glue line
6.2.2.1 General
6.2.2.2 Method A, using a middle layer composed of alternating wooden pieces and spacers
49 6.2.2.3 Method B – solid wood middle layer and a two-stepped bonding operation
51 6.3 Preparation of test specimens
52 7 Test procedure
7.1 Application of load
53 7.2 Test climates
7.3 Measurements and evaluation of result
8 Test report
8.1 The adhesive
54 8.2 Preparation of test pieces and testing procedure
8.3 Test results
BS EN 302-8:2023 - TC
$186.33