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SM-4.75 Mixtures: A little bit goes a long way, but does...

This spring researchers at VTRC will wrap up a multi-year evaluation of VDOT’s newest class of dense-grade asphalt mixtures, the SM-4.75. It’s among the...

Why don’t polymers fix my mix?

The benefits of polymers are well documented, with much evidence that shows improvements in both cracking performance and rutting performance. But rutting is no longer a...
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