Structural adhesive bonded joints in engineering. Drafting design rules
article
This paper introduces methods to draw up design rules to calculate the resistance of adhesive bonded joints for structural
applications
In the past, design rules were based on allowable stresses, while the current rules verify limit states. Best known is the partial safety
factor approach. This method enables to distinguish different reliability levels by using load and material factors. These factors take into
account the stochastic nature of both load actions and resistance of a structure. In case of adhesive bonded joints also the durability
effects have to be consideled. To calibrate the partial safety factors both engineeringjudgement and probabilistic techniques can be used.
Since the experience with design rules for structural adhesive bonded joints is limited, the use of probabilistic techniques seems to be
a promising opportunity to draft design rules. To do this it is necessary to have a proper description of the nature of adhesive bonded
joints. Special attention should be paid to the statistical distribution of the resistance and the eflects of durability. An example of
drafting a design rule illustrates the curlent possibilities. To conclude this paper guidelines are formulated how to draw up designìules.
applications
In the past, design rules were based on allowable stresses, while the current rules verify limit states. Best known is the partial safety
factor approach. This method enables to distinguish different reliability levels by using load and material factors. These factors take into
account the stochastic nature of both load actions and resistance of a structure. In case of adhesive bonded joints also the durability
effects have to be consideled. To calibrate the partial safety factors both engineeringjudgement and probabilistic techniques can be used.
Since the experience with design rules for structural adhesive bonded joints is limited, the use of probabilistic techniques seems to be
a promising opportunity to draft design rules. To do this it is necessary to have a proper description of the nature of adhesive bonded
joints. Special attention should be paid to the statistical distribution of the resistance and the eflects of durability. An example of
drafting a design rule illustrates the curlent possibilities. To conclude this paper guidelines are formulated how to draw up designìules.
TNO Identifier
328935
Source
International Journal of Adhesion & Adhesives, 18, pp. 41-49.
Pages
41-49
Files
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