| Titre : |
Thin-film coatings for protecting reinforced concrete bridge elements |
| Type de document : |
texte imprimé |
| Auteurs : |
Bobby Meade, Auteur ; Derrick Castle, Auteur ; Theodore Hopwood, Auteur ; Sudhir Palle, Auteur |
| Année de publication : |
2018 |
| Article en page(s) : |
p. 46-57 |
| Note générale : |
Bibliogr. |
| Langues : |
Américain (ame) |
| Catégories : |
Béton armé
Chlorures
Corrosion
Couches minces
Essais (technologie)
Etanchéité
Matériaux cimentaires -- Revêtements protecteurs
|
| Index. décimale : |
667.9 Revêtements et enduits |
| Résumé : |
Steel reinforced concrete bridge components are deteriorating prematurely, especially in marine and snow/ice zones of the U.S. The primary cause of this deterioration is chloride intrusion into the concrete. The authors discuss research that has shown that penetrating sealers can provide some protection to the concrete but are not as effective as thin-film coatings in retarding chloride intrusion. |
| Note de contenu : |
- Thin-film concrete coatings field testing
- Thin-film coating laboratory testing
- FIGURES : 1. Deteriorated pier cap under a leaking expansion joint - 2. Deteriorated pier column under a leaking expansion joint - 3. Chloride content of KYTC bridge components in 2011 - 4. Pier where thin-film concrete coatings were field tested - 5. Thin-film concrete coating in the field. Spalls are coated but pinholes remain - 6. Coated salt-ponding block with pinholes remaining - 7. Chloride levels for each coating system after salt-ponding test - 8. Coated concrete panels for weathering testing - 9. Color stability of thin-film concrete coatings - 10. Gloss retention of thin-film concrete coatings
- TABLES : 1. Types of thin-film concrete coatings tested - 2. Adhesive strength and failure mode of field-applied coatings - 3. Adhesion of laboratory-applied and weathered coatings |
| En ligne : |
http://www.paintsquare.com/archive/?fuseaction=view&articleid=6235 |
| Format de la ressource électronique : |
Web |
| Permalink : |
https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=30367 |
in JOURNAL OF PROTECTIVE COATINGS & LININGS (JPCL) > Vol. 35, N° 1 (01/2018) . - p. 46-57
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