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Year : 2015  |  Volume : 5  |  Issue : 1  |  Page : 52-55

Experimental Evaluation of The Durability of A Composite-Composite Pasted Assembly Under Quasistatic Loading

Department of Civil Engineering, Ecole Polytechnique d'Abomey-Calavi (EPAC), University of Abomey-Calavi, Benin

Correspondence Address:
E T Olodo
Department of Civil Engineering, Ecole Polytechnique d'Abomey-Calavi (EPAC), University of Abomey-Calavi
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0976-8580.149490

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Optimization of composite structures for the design and repair through, in particular, the use of pasted junctions in lieu of bolted or riveted junctions for different applications. The object of this work is to model the durability of a pasted assembly of composite structures under quasistatic loads by the hereditary Rabotnov approach. To do this, it took on the one hand, an experimental analysis of the damage of the adhesive in shear behavior subjected to different loading rates. On the other hand, the establishment of the model required experimental identification of the parameters of the creep kernels in formulating expressions for determining the durability and long-term strength limit in the shear of glued composite assembly. Special attention is paid to the prediction of the strength characteristics of the material under long loading periods up to 10 6 h (approximately 100 years of operation) by laboratory tests carried out for 10 3 h. The results could be useful, in particular, when designing and assembling the elements in composite structures located in bridge decks and walkways (beams, spacers, etc.) and also in shipbuilding.

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