Corrosion Protection of a Halifax Harbour Bridge: Challenges, Issues and Opportunities
The Angus L. Macdonald Bridge is a 1.3-kilometer-long (4,265-foot-long) cable suspension bridge that carries automotive traffic over the Halifax Harbour between Dartmouth and Halifax. There are four approach spans to the west cable bent on the Halifax end and 12 approach spans to the east cable bent on the Dartmouth end. The bridge was opened…
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Corrosion Protection of a Halifax Harbour Bridge: Challenges, Iss
The Angus L. Macdonald Bridge is a 1.3-kilometer-long (4,265-foot-long) cable suspension bridge that carries automotive traffic over the Halifax Harbour between Dartmouth and Halifax. There are four approach spans to the west cabl...
Inspection of the Precast Concrete Surface Preparation and Coatin
Introduction – Precast concrete is cleaned and painted for both beautification and protection. Painting may involve the use of protective coatings, stains, or water repellents. For the materials to adhere and provide t...
Coating Systems for Precast Concrete
Introduction – When it is time to decide if precast or other concrete elements should be protected with a coating layer, consideration must be given to the reasons for coating it (protection and/or aesthetics), the type of structu...
Preparation of Precast Concrete for Painting
Introduction – Precast Concrete refers to concrete that is poured (cast) into a form (mold) at a manufacturing facility and allowed to cure under controlled conditions. A release agent is applied to the form prio...
Inspection of the Precast/Prestressed Concrete Fabrication Proces
Introduction – Inspections are an essential part of the precast concrete production process. Items such as sound walls, traffic barriers, and retaining walls are a few types of precast concrete products. Precast concrete dif...
New eBook! Coatings for Cast Iron/ Ductile Iron Surfaces
Our new eBook teaches the reader about Preparation, Coating Application, and Inspection of Surface Preparation for Cast Iron/Ductile Iron Surfaces. It was written by KTA’s Bruce Rutherford & Jay Helsel. Click below to ge...
Cleaning and Painting Aluminum Substrates
Introduction – Aluminum and aluminum alloys exhibit good corrosion resistance by virtue of a layer of aluminum oxide that forms on the surface. While aluminum is often not coated because of its good corrosion resistance prop...
Evaluating Color: Systems and Instruments – Color Measureme
The human eye can interpret over a million colors. There are three types of photoreceptors in the human eye that are responsible for interpreting a different range of wavelengths: long, medium, or small, or red, green, or blue sen...
Inspection of FRP Cleaning and Painting
Introduction – Fiber Reinforced Plastic (FRP) surfaces undergo both chemical and physical aging during their useful life. Designers and manufacturers may specify that FRP surfaces be coated as a maintenance strategy to...
Surface Preparation and Coatings for FRP
Introduction – If Fiber Reinforced Plastic (FRP), also known as glass reinforced plastic (GRP), is specified to be coated, the appropriate coatings must be selected and the surface properly prepared, to assure long-term performanc...