From the course: Practical Engineering
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Permeable concrete
From the course: Practical Engineering
Permeable concrete
- [Grady] As much as I love infrastructure, and the urban environment, it definitely has its downsides. Cities represent a remarkable transformation of the landscape from natural to human-made. We change almost everything. Cut down trees, level the ground, and slice and dice the land into individual plots. But one of the most significant changes to the landscape that comes with urbanization is impervious cover. I'm talking about anything that prevents rain from soaking into the subsurface. Building, sidewalks, driveways, and the biggest culprits streets, and parking lots. Impervious cover is a big issue. When it rains, that water has to go somewhere. If it can't soak into the ground, it washes off into creeks and rivers. That means increasing the magnitude of floods, and the amount of pollution in waterways. It also means less water goes to recharge groundwater resources. When you pave paradise to put up a…
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