Imagine you are making pancakes. You separate the wet ingredients from the dry ingredients, then carefully mix. Somehow lumps still manage to form in your batter. Lucky for you, a lumpy mixture should not ruin your pancakes. But if, instead of pancakes, you were mixing grout to fortify a bridge tendon, following the recipe and … Continue reading FDOT Routs Soft Grout with New Remediation Technique
Tag: Structures
Corrosion is a constant concern for the Florida Department of Transportation (FDOT). Due to the aggressive environment in Florida – high humidity, high temperatures, high water tables, and high exposure to salt water – maintenance of the steel or steel-reinforced concrete parts of bridges can become very expensive. An FDOT study of 54 bridge projects … Continue reading Halls River Bridge Replacement Project Showcases New Technologies
Prestressed or post-tensioned concrete is widely used in bridge construction. It is an efficient and cost-effective method that allows for lighter, stronger structures that can cross wider spans. Stressing is a method of adding strength to concrete by including steel cables under stress which run through plastic ducts in the concrete. Cementitious grout is then injected … Continue reading Flexible Fillers Bring Increased Corrosion Protection to Post-Tensioned Bridges
Florida Department of Transportation Research Showcase 