What is Concrete?
Practical Engineering · 2 HN recommendations
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Practical Engineering gives a short introduction to concrete, covering the difference between concrete and cement, the ingredients, and reinforcement. It includes a hydraulic press demonstration of compressive strength.
Why HN recommends it: Commenters link it as an approachable explanation of concrete basics in threads about Roman concrete, construction and sand supply.
“You're going to love this playlist from Practical Engineering [1].” Read on HN ↗