Bridge Deck Overlays

Federal Highway Administration Video VH-273E Bridge Deck Overlays This video begins with a discussion of deck condition, including inspection techniques, and then moves on to overlay materials, concentrating on latex-modified concrete (LMC) and silica fume concrete (SFC). Surface preparation is demonstrated, beginning with scarification and hydro-demolition. Blast cleaning of the surface and test runs of the finishing machine are shown. Acceptable ambient conditions are discussed. Overlay placement methods for LMC and SFC are shown, along with finishing and curing processes. SHRP tape 28