From the course: Practical Engineering
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Asphalt pavement
- Of all the ubiquitous things in our environment, roads are probably one of the least noticed. They're pretty hard to get away from and yet most of us don't give much consideration for how they're made. Turns out, there are a lot of ways to make a road. Not to get too philosophical, but there's really no right answer to what a road even is, how much improvement of the ground is needed before it stops being just the ground and becomes a road. Depending on the capabilities of your vehicle, sometimes not much. Over the years, the demands on roadways have increased as more people and goods are on the move. So the designs have evolved alongside. The Romans were famous for their stone-paved roads, many of which still exist a couple thousand years later. In modern times, the design of pavement has changed significantly. The vast majority of roadways worldwide, if they're paved at all, are paved with one material. Hey, I'm Grady,…
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