California Asphalt Pavement Association

'Intelligent Compaction' Demo Begins on I-80 in Northern California

Interstate 80 between Sacramento and San Francisco was the site of an "Intelligent Compaction" demonstration project that was a partnership between CalAPA, the Federal Highway Administration (FHWA) and Caltrans.

Numerous equipment manufacturers supported the event earlier this month by making available the newest rollers that incorporate the latest technology with traditional features for rolling asphalt pavements.

"The IC (Intelligent Compaction) Team conducted Density field evaluation on I-80 between Dixon and Vacaville, and report that it was an experience we will not forget," says Lee Gallivan, asphalt pavement engineer with the FHWA. "The emphasis of Teichert Construction to keep everyone safe when working along the traffic all night was totally appreciated. The IC Density Testing Evaluation itself went very well and the coordination with all the roller manufacturers, GPS providers, and Caltrans testing together with the Contractor made our work easier."

Intelligent Compaction (IC) refers to the compaction of road materials, such as soils, aggregate bases, or asphalt pavement materials, using modern vibratory rollers equipped with an integrated measurement system, an onboard computer reporting system, Global Positioning System (GPS)-based mapping, and optional feedback control. IC rollers facilitate real-time compaction monitoring and timely adjustments to the compaction process by integrating measurement, documentation and control systems. 

Galivan will present the findings from the demonstration project at the CalAPA Fall Asphalt Pavement Conference, scheduled for Oct. 24 in Sacramento. 

 

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