Road Construction 📍
📽️ Videos
Pratical Engineering – Why Bridges Move…
With warmer weather coming up the next few days, you might notice bridge expansion joints are spread out making for a bumpy ride. This video explains the various components of the bridges that allow for the natural expansion and contraction of the steel bridge beams.
What Are Those Squiggles of Tar on the Road?
"Spend a good amount of time driving, especially in rural areas, and you've probably noticed those messy-looking black squiggles that cut across asphalt road surfaces in what seems like haphazard fashion. But rest assured that they're not simply the result of some sloppy tar work by a road crew that decided to have a few beers before the end of the shift."
"Instead, what you're noticing is crack sealing. It's a time-honored technique for remedying the damaged road surfaces, without inflicting even more pain upon taxpayers by tearing up and repaving the entire road."