Polyurea "loose" liners / Kristin Leonard in JOURNAL OF PROTECTIVE COATINGS & LININGS (JPCL), Vol. 31, N° 2 (02/2014)

[article]  inJOURNAL OF PROTECTIVE COATINGS & LININGS (JPCL) > Vol. 31, N° 2 (02/2014) . - p. 32-41 Titre : Polyurea "loose" liners : A floating fix for cracked concrete secondary containment Type de document : texte imprimé Auteurs : Kristin Leonard, Auteur Année de publication : 2014 Article en page(s) : p. 32-41 Langues : Américain (ame) Catégories : Craquelures (défauts) Géotextiles Matériaux cimentaires -- Réparations Matériaux cimentaires -- Revêtements protecteurs Polyurée Résistance chimique Index. décimale : 667.9 Revêtements et enduits Résumé : Polyurea/geotextile loose liner systems are viable solutions to extensively cracked and damaged concrete structures that require chemical-resistant linings. The floating liner permits 100% containment without concrete repair, surface preparation, or removal of previous coatings. The flexible system also allows the liner to be molded around obstructions such as pre-installed equipment. By performing an installation mock-up, short falls in the liner design were successfully detected and moclified to produce a coating system capable of meeting the original containment requirements specified and serving as a "band-aid" for the damaged concrete. For this project, the system has been designed for a 7-year operating life, although it could be designed for a longer time period, if necessary. The chemical resistance will be based on the formulation of the topcoat used. This specific polyurea formulation was tested for very specific chemical resistance; however, it could be effective in other chemical con-tainments. It is recommended to work closely with the coating manufacturer of choice to determine the chemical resistance of proposed coatings. Note de contenu : - Choosing the system - Dynamic cracking discovered - Proposed crack repair procedure - A faster fix - Design and installation details - Lessons learned after applying the liner Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=21660 [article]

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Tanks : the what, where and why of coating system selection / Kristin Leonard in JOURNAL OF PROTECTIVE COATINGS & LININGS (JPCL), Vol. 33, N° 8 (08/2016)  

[article]  inJOURNAL OF PROTECTIVE COATINGS & LININGS (JPCL) > Vol. 33, N° 8 (08/2016) . - p. 31-37 Titre : Tanks : the what, where and why of coating system selection Type de document : texte imprimé Auteurs : Kristin Leonard, Auteur Année de publication : 2016 Article en page(s) : p. 31-37 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Acier au carbone Copolymère vinyle ester Epoxydes Polyuréthanes Réservoirs (récipients) -- Conception et construction Réservoirs (récipients) -- revêtements protecteurs Revêtements organiques Soudures Zinc Index. décimale : 667.9 Revêtements et enduits Résumé : When selecting protective coatings for chemical storage tanks, various issues come into play such as the location of the tank fabrication, the construction sequencing, operating parameters, intended service life, construction materials and the stored material. This article explains the effects of each factor on coating selection and presents various design scenarios and material recommendations. Note de contenu : - Shop fabrication vs field erection - Shop fabrication - Field fabrication - Shop fabricated - Field erected : Design 1. Shopt blas + IOZ primer/field-up + topcoat - Design 2. Shop blast + ZRE/field preparation + touch-up + topcoat - Design 3. Shop blast + PCP/field preparation + field prime + topcoat - Field weld preparation and coating - TANK FLOOR PLATES - INTERNAL LININGS - SPECIALTY TANK DESIGNS - FIGURES : 1. Concrete exterior of a liquefied natural gas (LNG) tank - 2. Shop primed-field erected tanks showing field weld stripe coats and touchup - 3. LNG 9-percent nickel inner tank with pre-construction primer - 4. Interior carbon steel liner of an LNG tank - TABLE : 1. Common coatings and linings used for carbon steel storage tanks - 2. Field weld coating procedures for exterior tank plates En ligne : http://www.paintsquare.com/archive/?fuseaction=view&articleid=5884 Format de la ressource électronique : Web Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=28398 [article]

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