Page 84 • March 19, 2022 • www.constructionequipmentguide.com • Asphalt, Concrete, Paving, Compaction & Milling Section • Construction Equipment Guide
Pavement Reinforcement...
Simpson Strong-Tie, University of Texas Partner to Test, Supply New Technology Simpson Strong-Tie, a leader in engineered structural connectors and building solutions, announced the development and launch of a category of pavement reinforcement technologies designed to improve the sustainability, longevity and resiliency of asphalt-paved road surfaces in North America. In partnership with the University of Texas at Arlington, Simpson StrongTie is developing a series of road tests at the Advanced Pavement Research Center to demonstrate the value of using pavement reinforcement grids in conjunction with the repaving of America’s roadways. More than 173,000 mi. of U.S. highways and major roads and an additional 45,000 bridges are currently in poor condition. The $1.2 trillion Infrastructure Investment and Jobs Act includes $550 billion in new funding for roads, bridges, water resources, and climate change mitigation and specifically provides $110 billion to repair the nation’s aging highways, bridges and roads. As Infrastructure Investment and Jobs Act funds are deployed to help bring American roadways into the 21st century, additional roadbed technologies are likely to be introduced, including high adhesion surfaces, sound proofing, sensors for self-driving vehicles and systems for improved safety in extreme weather conditions. “Whatever type of asphalt is installed, it will remain at the mercy of weather and the constant wear and tear of traffic loads unless it’s also reinforced to avoid cracking, crazing and deformation,” said Simpson Strong-Tie market segment manager Corey Clark. “Simpson Strong-Tie pavement reinforcement solutions provide answers to the safety and comfort needs of all road users by anticipating the deterioration of roads due to traffic and aggressive weather cycles over time.” Following a 20-year history in Europe, Simpson Strong-Tie Carbophalt and Glasphalt reinforcement grids have been proven to limit water penetration and crack reflection in road surfaces caused by heavy traffic, weather and structural fatigue, significantly increasing the service life of
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ROLAND MACHINERY Carbophalt and Glaphalt asphalt reinforcement grids from Simpson Strong-Tie are tested and proven to extend the service life of roads, highways and other heavy-use areas.
and maintenance costs, not to mention traffic backups caused by necessary road repairs. Using the big rig Pavement Testing Machine (PTM) at the Advanced Pavement Research Center, Simpson Strong-Tie and the University of Texas are testing Carbophalt and Glasphalt reinforcement grids with axle loads between 10,000 and 40,000 lb. to simulate hightraffic areas such as airports, Featuring a proprietary weave that bus stops, toll centers and highmakes them easier to install on both ways where roadbed wear most straight and curved roadbeds, Simpson often leads to safety hazards. Strong-Tie pavement reinforcement grids Featuring a proprietary are flexible and saturated with bitumen to weave that makes them easier ensure superior bonding between layers of asphalt and a positive lock into the to install on both straight and curved roadbeds, Simpson pavement. Strong-Tie pavement reinforcethe roadbed and eliminating the need ment grids are flexible and saturated for spot interventions like crack bridg- with bitumen to ensure superior bonding and road patching. ing between layers of asphalt and a Rutting, temporary patching and positive lock into the pavement. crack bridging can all become slippery Carbophalt and Glasphalt reinforceduring and after rainfall, compromising ment grids are also easily milled and tire grip, which increases braking dis- recycled into asphalt aggregate for use tances and can diminish vehicle con- in new pavement projects with no trol. Roads in poor condition also decrease in aggregate performance. degrade prematurely, making driving For more information, visit more dangerous while adding to repair strongtie.com/asphalt.
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