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Auteur Kenneth A. Trimber
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KTA-TATOR, INC.
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DOTs on maintaining corroded connections : cleaning, caulking & cost / Tom Inglis in JOURNAL OF PROTECTIVE COATINGS & LININGS (JPCL), Vol. 36, N° 1 (01/2019)
[article]
Titre : DOTs on maintaining corroded connections : cleaning, caulking & cost Type de document : texte imprimé Auteurs : Tom Inglis, Auteur ; Nick Volk, Auteur ; Dan Brydl, Auteur ; Kenneth A. Trimber, Auteur Année de publication : 2019 Article en page(s) : p. 32-44 Langues : Américain (ame) Catégories : Métaux -- Décapage
Ponts -- entretien et réparations
Ponts métalliques -- Revêtements protecteurs
Revêtements -- Décapage:Peinture -- Décapage
Revêtements -- Finition:Peinture -- FinitionIndex. décimale : 667.9 Revêtements et enduits Résumé : Ilinois Departement of Transportation (IDOT) District 4 is headquartered in Peoria and is responsible for 700 bridges across 12 counties. The Shade-Lohmann Bridge was scheduled for repainting during 2017 and 2018.
Constructed in 1975, the Shade-Lohmann Bridge is a 3,473.5-foot-long, fracture-critical, 16-span twin girder with an 1,140-foot cantilever truss. Because of the intricate design of the bridge, District 4 decided that connections should be caulked to provide additional protection because many were exhibiting substantial corrosion. District engineers had heard of both successes and failures when caulking was used and decided it was important to better understand the use of caulking and to develop plan notes or special provisions to clearly delineate expectations. Before developing plan notes, District 4 wanted to identify which surfaces should be caulked, the extent of surface preparation that should be required, and at what point in the application sequence the caulking should be installed. Tom Inglis and Nick Volk of District 4 reached out to other states for copies of their specifications and subsequently, Dan Brydl of FHWA-Illinois Division reached out to his counterparts for additional information. Ken Trimber of KTA-Tator, Inc., a coatings consulting firm under contract with IDOT, was engaged to assist with the final review.
This article outlines the specification language provided by the states that were contacted, summarizes the various approaches that are taken and presents the process followed by IDOT for the Shade-Lohmann Bridge.Note de contenu : - Surveys of departments of transportation
- IDOT approach to caulking for the Shade-Lohmann Bridge
- Specification language from various departments of transportation
- Fig. 1 : Shade-Lohmann Bridge
- Fig. 2 : Prior to blast-cleaning
- Fig. 3 : Typical removal of pack rust by blast cleaning
- Fig. 4 : Typical removal of pack rust by blast-cleaning
- Fig. 5 : All coats, caulking and stripe coat of finish applied
- Fig. 6 : Finish coat applied prior to caulking
- Fig. 7 : Caulking being smoothed. Stripe coat of finish to be applied after caulking dries
- Table 1 : Summary of surfaces being caulked
- Table 2 : Point in application sequence when caulking is applied
- Table 3 : Measurement and payment for caulkingPermalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=31923
in JOURNAL OF PROTECTIVE COATINGS & LININGS (JPCL) > Vol. 36, N° 1 (01/2019) . - p. 32-44[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 20635 - Périodique Bibliothèque principale Documentaires Disponible painting bolted bridge connections / Kenneth A. Trimber in JOURNAL OF PROTECTIVE COATINGS & LININGS (JPCL), Vol. 33, N° 5 (05/2016)
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Titre : painting bolted bridge connections Type de document : texte imprimé Auteurs : Kenneth A. Trimber, Auteur Année de publication : 2016 Article en page(s) : p. 34-43 Langues : Américain (ame) Catégories : Acier L'acier est un alliage métallique utilisé dans les domaines de la construction métallique et de la construction mécanique.
L'acier est constitué d'au moins deux éléments, le fer, très majoritaire, et le carbone, dans des proportions comprises entre 0,02 % et 2 % en masse1.
C'est essentiellement la teneur en carbone qui confère à l'alliage les propriétés du métal qu'on appelle "acier". Il existe d’autres métaux à base de fer qui ne sont pas des aciers comme les fontes et les ferronickels par exemple.
Assemblages à boulons
Essais dynamiques
Fluage
Frottements (mécanique)
Métaux -- Revêtements:Métaux -- Peinture
Ponts métalliques -- Revêtements protecteursIndex. décimale : 667.6 Peintures Résumé : High-strength bolts have been used to assemble steel structures for over 60 years, supported by research conducted by the Research Council on Riveted and Bolted Structural Joints (RCRBSJ). RCRBSJ was founded in 1947 but is now known as the Research Council on Structural Connections (RCSC). Despite the long history of use, there is still confusion when it comes to painting faying surfaces, bolt holes and fasteners. This article will attempt to clear up some of the confusion and provide items to consider when designing and painting bolted connections. Note de contenu : - Testing of coatings for slip-critical joints
- Coefficient of friction (COF) testing
- Tension creep testing
- Interpretation of slip coefficient and tension creep results
- Painting of bolt holes
- Cleaning and painting of fasteners : Black bolts - Galvanized boltsPermalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=26837
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Code-barres Cote Support Localisation Section Disponibilité 18124 - Périodique Bibliothèque principale Documentaires Disponible