Road pavement layers in 3D
Pick a layer to read its job, and change the camber and subgrade CBR.
Learn road construction properly
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Questions students ask
What is camber on a road?
The crossfall from the centre (crown) to the edges, so rainwater drains off to the side drains.
Why does a weak subgrade need thicker layers?
The layers above must spread the wheel load more to keep the stress on weak soil low enough.
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