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Les courbures locales, limites en fatigue d'un tableau soumis à des vibrations : l'usage des protection arrière / Chloé Genevaux in Conservation restauration des biens culturels (CRBC), no.25(2007) (2007-12-01)
[article]
Titre : Les courbures locales, limites en fatigue d'un tableau soumis à des vibrations : l'usage des protection arrière Type de document : texte imprimé Auteurs : Chloé Genevaux, Auteur Année de publication : 2007 Article en page(s) : P. 37-44 Langues : Français (fre) Catégories : Contraintes (mécanique)
Matériaux -- Fissuration
Peinture -- Conservation et restauration
Peinture sur toile -- Protection
Réponse en fréquence
Résistance des matériaux
Vibrations -- AnalyseIndex. décimale : 7.025 Dommages. Conservation. Protection Note de contenu : Fig.
in Conservation restauration des biens culturels (CRBC) > no.25(2007) (2007-12-01) . - P. 37-44[article] Les courbures locales, limites en fatigue d'un tableau soumis à des vibrations : l'usage des protection arrière [texte imprimé] / Chloé Genevaux, Auteur . - 2007 . - P. 37-44.
Langues : Français (fre)
in Conservation restauration des biens culturels (CRBC) > no.25(2007) (2007-12-01) . - P. 37-44
Catégories : Contraintes (mécanique)
Matériaux -- Fissuration
Peinture -- Conservation et restauration
Peinture sur toile -- Protection
Réponse en fréquence
Résistance des matériaux
Vibrations -- AnalyseIndex. décimale : 7.025 Dommages. Conservation. Protection Note de contenu : Fig. Material Selection for the Hydrophobic Cushion Layer Applied to Earthen Sites in Northwest China in Studies in conservation, Vol.68 N°1-2(2023; January-February) (2023-01-01)
[article]
Titre : Material Selection for the Hydrophobic Cushion Layer Applied to Earthen Sites in Northwest China Type de document : texte imprimé Année de publication : 2023 Article en page(s) : P. 243-257 Langues : Anglais (eng) Catégories : Construction -- Matériaux -- Analyse
Constructions -- Effets des agents atmosphériques
Constructions en terre -- Chine (nord-ouest) -- Conservation et restauration
Constructions en terre -- Chine (nord-ouest) -- Érosion
Contraintes (mécanique)
Huile de Toung
Matériaux -- Couleur -- Altération
Polymères vinyliques
Sols -- Dégradation
Surfaces hydrophobesIndex. décimale : 7.025 Dommages. Conservation. Protection Résumé : Earthen sites with important historical, cultural, artistic, social, and scientific values have been seriously damaged. Basal erosion, which is caused by soluble salts, water runoff, and sand-driving wind, is an extremely threatening erosion pattern for earthen sites. A cushion layer which has a damp-proofing function and good physical and mechanical properties can effectively decrease basal erosion. The primary aim of this study is to investigate material selection for the hydrophobic cushion layer for earthen sites in northwest China. The results indicate that cooked tung oil and sticky rice liquid, traditionally used in China, cannot meet the fundamental requirements of sufficient hydrophobicity for the cushion layer. Although polyvinyl alcohol (PVA) solution and tung oil exhibit similar properties in terms of soil hydrophobicity, water vapour permeability, water resistance, surface hardness, and colour difference for samples with 0.0-1.0% content, the PVA solution is significantly better than tung oil in unconfined compressive strength, deformation modulus, wave velocity, and viscosity. Therefore, the PVA solution should be preferentially selected as a hydrophobic cushion layer material according to the results of this work. When the mixing method is adopted, 0.6-1.0% PVA content is the best choice.
in Studies in conservation > Vol.68 N°1-2(2023; January-February) (2023-01-01) . - P. 243-257[article] Material Selection for the Hydrophobic Cushion Layer Applied to Earthen Sites in Northwest China [texte imprimé] . - 2023 . - P. 243-257.
Langues : Anglais (eng)
in Studies in conservation > Vol.68 N°1-2(2023; January-February) (2023-01-01) . - P. 243-257
Catégories : Construction -- Matériaux -- Analyse
Constructions -- Effets des agents atmosphériques
Constructions en terre -- Chine (nord-ouest) -- Conservation et restauration
Constructions en terre -- Chine (nord-ouest) -- Érosion
Contraintes (mécanique)
Huile de Toung
Matériaux -- Couleur -- Altération
Polymères vinyliques
Sols -- Dégradation
Surfaces hydrophobesIndex. décimale : 7.025 Dommages. Conservation. Protection Résumé : Earthen sites with important historical, cultural, artistic, social, and scientific values have been seriously damaged. Basal erosion, which is caused by soluble salts, water runoff, and sand-driving wind, is an extremely threatening erosion pattern for earthen sites. A cushion layer which has a damp-proofing function and good physical and mechanical properties can effectively decrease basal erosion. The primary aim of this study is to investigate material selection for the hydrophobic cushion layer for earthen sites in northwest China. The results indicate that cooked tung oil and sticky rice liquid, traditionally used in China, cannot meet the fundamental requirements of sufficient hydrophobicity for the cushion layer. Although polyvinyl alcohol (PVA) solution and tung oil exhibit similar properties in terms of soil hydrophobicity, water vapour permeability, water resistance, surface hardness, and colour difference for samples with 0.0-1.0% content, the PVA solution is significantly better than tung oil in unconfined compressive strength, deformation modulus, wave velocity, and viscosity. Therefore, the PVA solution should be preferentially selected as a hydrophobic cushion layer material according to the results of this work. When the mixing method is adopted, 0.6-1.0% PVA content is the best choice. Les photographies contemporaines montées sous Diasec : traitements des dommages de surface et conservation préventive / Bruno Le Namouric ; Bertrand Sainte-Marthe in Conservation restauration des biens culturels (CRBC), no.27(2009) (2009-12-01)