Intelligent Compaction, Part 4 of 6: In-Situ Testing, DCP





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Published on Oct 8, 2008

MnDOT conducting their demo of Intelligent Compaction (IC), an improved method of compaction. Watch the team conduct in-situ testing on hot mix asphalt (HMA) using the DCP (Dynamic Cone Penetrometer) method. Also included: nuclear gauge operation.

IC-equipped rollers improve the compaction process by measuring their effectiveness during construction and displaying the results on screens inside the machines. Construction teams are working towards uniform compaction—the road needs to be firm and even—and IC makes that goal easier to reach.

This testing took place on CSAH 4 in Willmar, MN, from June 14 to June 23, 2008.

Since uniform compaction leads to more durable roads, the ability to accurately monitor progress is important. IC rollers make this simple—their equipment collects data while compacting, and operators use the data to track their progress and adjust their procedure as necessary.

As well as improving the level of quality control, IC is intended to save time and reduce costs: IC can work as a replacement for conventional testing. Instead of stopping construction in order to test samples, workers can keep compacting while they gather data. Compaction data shows up on-screen inside IC rollers, reducing the need to go back and test cores from the road.

Since important data is immediately available inside IC rollers, construction teams can base their procedure on that feedback. This allows them to confidently and quickly achieve uniformly compacted roads.

To read more about intelligent compaction and learn how you can implement it in your project, please visit http://www.IntelligentCompaction.com/.

The Transtec Group is a pavement engineering firm that provides award-winning expertise in pavement design, construction, rehabilitation, research and transportation software development. Transtec is based in Austin, Texas and has served clients throughout the world since 1992.


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