John Hennessy III,
P.E.
Here’s a fact that may be surprising – it surely was to me. The construction or renovation of buildings accounts for approximately 39% of the total global energy-related carbon emissions each year. Embodied carbon contributes another 11%. That category refers to the total greenhouse gas emissions generated over the lifecycle of a building, road or […]
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Developing new ways to construct and preserve America’s roads, bridges, and other forms of infrastructure.
View this complete post...We can engineer the pavement material to have porosity. We can engineer voids into the material so that instead of 4% air voids, we can have up to 20% air voids that allow water to penetrate through the pavement surface.
With the porous pavement option, we have water flowing through the surface of the pavement and into the stone where we can store the water. Then it will eventually infiltrate into the natural sub-grade that we have underneath.
“In The Field” is a series of videos aimed at sharing innovations, research and new technology throughout the Michigan Department of Transportation. In this latest installment, MDOT’s Andy Bennett describes the process MDOT is using to crush removed pavement and recycle it into the base course of pavement that is being newly constructed.
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