roller compacted concrete<\/a>\u00a0(RCC) \u2013 a durable, cost-effective material that is fast gaining ground as an alternative to asphalt. Attendees included municipal public works directors and engineers from Illinois and Indiana, along with members of the Illinois and Chicago Departments of Transportation and the O’Hare Airport Modernization Program.<\/p>\nTowns see lower costs, longer service<\/h2>\n
![\"\"](\"https:\/\/www.prairie.com\/wp-content\/uploads\/sites\/4\/2024\/12\/p2-300x182.jpg\")
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Attendees heard from\u00a0Matt Mann<\/strong>, chief engineer for the Village of Streamwood, Illinois, who appeared in a video outlining why RCC has becom\u200be the material of choice for his town\u2019s road rebuilding program.<\/p>\n\u201cSo far, we see nothing but advantages,\u201d Mann said. \u201cRCC is cheaper than asphalt, lays down just as easily and provides a stronger road base for years of additional service. And we found our crews could place it with very little additional training.\u201d<\/p>\n
Growing use in Indiana<\/h2>\n
The event also featured a presentation by\u00a0Jerry Larson<\/strong>, executive director of the Indiana Ready Mixed Concrete Association, who noted that more than 21 counties in the Hoosier State had built roads using RCC.<\/p>\n\u201cAs a road building material, RCC has real advantages,\u201d Larson told the group. \u201cIt requires no forming or finishing, yet it is incredibly strong, with compressive strengths routinely reaching 9,000 psi.\u201d<\/p>\n
Toward smoother riding surfaces<\/h2>\n
Currently, most cities and towns use RCC as a durable road base, applying a thin layer of asphalt to create a smoother riding surface. However, steady advances in mix technology may soon deliver new finishing options, said\u00a0Wayne Adaska<\/strong>, director of pavements for the Portland Cement Association\u00a0(PCA), who also addressed the group.<\/p>\n\u201cWe\u2019re exploring various toppings to create the riding surface the driving public expects,\u201d Adaska told the group. \u201cChip seal, very thin lifts of asphalt and cementitious slurry coats are all being evaluated.\u201d<\/p>\n
Live demo shows ease of placement<\/h2>\n
![\"\"](\"https:\/\/www.prairie.com\/wp-content\/uploads\/sites\/4\/2024\/12\/p4-300x191.jpg\")
<\/p>\n
The Toyota Park demo gave municipal decision-makers the chance to see RCC placed by road crews, who worked with the same equipment used for asphalt paving. Following excavation of asphalt grindings, crews from Orange Crush, LLC placed a section of RCC between the park’s practice fields.<\/p>\n
Cindy Williams<\/strong>, quality assurance manager for the Chicago Department of Transportation, was impressed with RCC\u2019s potential. \u201cWe\u2019re definitely looking at ways to lower costs,\u201d she noted. \u201cThis looks like a good alternative to conventional asphalt, and we hope to identify the best applications for our city.\u201d<\/p>\nPrairie is ready to help you succeed with RCC<\/h2>\n
Although RCC is easy to place with standard asphalt paving equipment, contractors do need to be aware of best practices to achieve smooth finished surfaces, says\u00a0Theron<\/strong>Tobolski<\/strong>\u00a0of\u00a0Prairie’s technical sales team.\u00a0“Compacting RCC to accomplish optimum density is one key to achieving a durable pavement,” he says.<\/p>\nPrairie is ready to help you learn best practices for successful RCC placement. To get started,\u00a0contact\u00a0Tobolski at\u00a0708-563-4745<\/strong>\u00a0or\u00a0ttobolski@prairie.com<\/a>.<\/p>",
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