BS EN 15416-1:2017 pdf free download

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BS EN 15416-1:2017 pdf free download.Adhesives for load bearing timber structures other than phenolic and aminoplastic – Test methods – Part1:Long-term tension load test perpendicular to the bond line at varying climate conditions with specimens perpendicular to the glue line (Glass house test).
Safety statement
Persons using this European Standard should be familiar with the normal laboratory practice, if applicable. This European Standard cannot address all of the safety problems, if any, associated with its use. It is the responsibility of the user to establish appropriate safety and health practices and to ensure compliance with any regulatory conditions.
Environmental statement
It is understood that some of the material permitted in this European Standard may have negative environmental impact. As technological advantages lead to better alternatives for these materials, they will be eliminated from this European Standard to the extent possible.
At the end of the test, it is recommended that the user of this European Standard take care to carry out an appropriate disposal of the wastes, according to local regulation.
This European Standard specifies a method of determining the ability of adhesive bonds to resist long- term sustained load applied vertical to the glue lines. It is applicable to adhesives used in load-bearing timber structures.
It is suitable for the following applications:
a) for assessing the compliance of adhesives according to EN 15425 and EN 16254;
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 long-term sustained load at cyclic 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.
3 Principle
Bonded test pieces are subjected to long-term sustained load applied vertical to the glue lines at cyclic climate conditions. The test climate is at natural outdoor conditions in Europe between latitude 45° and 60°. The loaded samples are protected with light penetrable covering (“Glass house”).
4 Apparatus
4.1 House for weather exposure
The weather exposure shall take place in a natural ventilated house covered with a light penetrating material where the air can circulate through openings along the floor and the roof.
4.2 Test jig
The 10 samples, making a test set for each of the 3 duration of load times, shall be placed in a suitable test jig and loaded with a transverse tensile load according to 5.5.1. The test jigs shall enable a smooth loading of the test pieces. The individual samples shall be free to rotate to secure that the load will be applied 90° to the glue lines.
NOTE Test jigs with a hanging dead load for the load application in combination with a vertical loading of the individual specimens using a principle as visualized in Figure 1 and Figure 2, has shown to be a suitable method.BS EN 15416-1:2017 pdf free download.

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