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Registros recuperados: 4
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Etude complémentaire des caractéristiques des vases dans le bassin de Marennes-Oléron ArchiMer
LHF - Laboratoire d'Hydraulique de France; IFREMER - Laboratoire LABEIM La Tremblade.
Par le contrat n° 92 5 526050 du 20 octobre 1992, l'IFREMER a demandé au LHF une étude sur les caractéristiques mécaniques de vases et biodépôts dans le bassin de Marennes·Oléron. Cette étude consiste en l'exécution et l'interprétation d'essais sédimentologiques visant à mieux définir ces caractéristiques mécaniques. Elle a été réalisée par une équipe du Département Portuaire et Côtier de SOGREAH Ingénierie snc. Les travaux de recherche présentés dans ce rapport s'intègrent dans le programme Charente-Marennes-Oléron, programme de recherche coordonnée pour l'analyse et la modélisation de l'écosystème du bassin de la Charente et de la zone littorale associée. Cette étude fait suite et complète l'étude faite en Novembre 1991 (contrat IFREMER n° 915526009,...
Tipo: Text Palavras-chave: Sédimentologie; Propriétés mécaniques; Contexte géographique; Vitesse de chute; Tassement; Analyses rhéologique; Bassin de Marennes Oléron.
Ano: 1995 URL: http://archimer.ifremer.fr/doc/00135/24628/22656.pdf
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Evolution des propriétés mécaniques de matériaux composites verre/polyester gelcoates en milieu marin ArchiMer
Castaing, P; Tsouvalis, N; Lemoine, Lionel.
Glass-fiber reinforced polyester composites with gelcoat are widely used in nautical construction despite the lack of knowledge concerning their durability when immersed in water. This study deals especially with the influence of the osmotic process of degradation on the evolution of the mechanical properties of orthotropic materials, subjected to accelerated ageing tests. This evolution is experimentally evaluated by performing a non destructive test procedure, the vibrational modal analysis, whose results are additionally confirmed by quasi-static mechanical tests (bending and shear). Although gelcoat blistering has no effect on the mechanical properties of the structure, considerable changes are observed in the elastic moduli and in the ultimate...
Tipo: Text Palavras-chave: Osmosis; Aging; Mechanical properties; Glass reinforced plastics; Fibre glass; Composite materials; Durabilité; Propriétés mécaniques; Analyse modale; Osmose; Vieillissement; Gelcoat; Polyester; Matériau composite.
Ano: 1992 URL: http://archimer.ifremer.fr/doc/1992/acte-1058.pdf
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Influence des propriétés de la matrice sur le comportement mécanique de matériaux composites verre/polyester utilisés en construction navale de plaisance - Cas des résines polyester limitant les émissions de styrène ArchiMer
Perrot, Yves.
The work performed in this study is concerned with the characterization of glass/polyester composites for the pleasure boat industry. In particular the properties of polyester resins limiting styrene emissions have been evaluated. Physico-chemical and mechnanical tests were first performed in order to understand the roles played by the constituants (matrix, fibres and fibre/matrix interface). Then a study of damage mechanisms, delamination and impact resistance, was carried out on composite specimens. Durability and the influence of the marine environment was also examined through two parameters, temperature and sea water aging. Finally the transfer from material to structure was illustrated through three aspects : the influence of fabrication...
Tipo: Text Palavras-chave: Damage; Mechanical properties; Low styrene emission resins; Composite materials; Plaisure boat industry; Endommagement; Propriétés mécaniques; Résines limitant les émissions de styrène; Matériaux composites; Construction navale de plaisance.
Ano: 2006 URL: http://archimer.ifremer.fr/doc/2006/these-2485.pdf
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La conception et l'architecture navale en composite dans l'industrie de la plaisance ArchiMer
Dolto, G.
This paper gives a brief overview of design with composite materials for the pleasure boat industry. The dimensioning of sail and motor boats is described and material properties are discussed from the point of view of a naval architect.
Tipo: Text Palavras-chave: Yachting; Mechanical properties; Ship technology; Ship design; Composite materials; Propriétés mécaniques; Bateau de plaisance; Echantillonnage; Dimensionnement; Conception.
Ano: 1992 URL: http://archimer.ifremer.fr/doc/1992/acte-1051.pdf
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