High Friction Surface Treatments (HFSTs) are pavement surfacing systems that provide skid-resistant, and deck sealing properties not typically associated with conventional materials. The spot application of a thin layer of durable, high friction aggregates as a topping on specially engineered resin or a polymer binder affords long-lasting traction (as stated by manufacturer information), while making the overlay much more resistant to wear and polishing. The Montana Department of Transportation (MDT) has initiated this project to apply these treatments to the selected decks in effort to validate the added friction and durability claims. The purpose of an experimental features report is to document the phases and events of any given project to provide the reader with an understanding of the general activities required to install or incorporate the research element into an active construction or maintenance project. This report also establishes a baseline for defining performance for any given feature under actual service conditions to determine its relative merits. Locations: 1. Kalispell-Flathead River: Highway 35; 2. Roundup-Musselshell River: Highway 87; 3. Big Timber-Yellowstone River: Highway 191; 4. Bigfork-Swan River Bridge: Highway 35
Polymer overlays consist of polymer resins and aggregates and are used on bridge decks to extend service life by providing waterproofing and chloride ...
Polymer overlays are composite materials consisting of organic polymer resins and aggregates (Figure 1). They are often applied to bridge decks to pro...
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United States Department of Transportation
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