From the course: Practical Engineering
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Corrosion of steel reinforcement
From the course: Practical Engineering
Corrosion of steel reinforcement
- Concrete reinforced with steel is the foundation of our modern society. Reinforcement within concrete creates a composite material, with concrete providing strength against compressive stress, while the reinforcement provides strength against tensile stress. But while steel reinforcement solved one of concrete's greatest limitations, it creates an entirely new problem. Corrosion of embedded steel rebar is the most common form of concrete deterioration. So what are we doing about it? Hey, I'm Grady this is Practical Engineering. On today's episode, we're testing out some innovations in concrete reinforcement. (upbeat music) Although unprotected steel is naturally prone to corrosion or rusting, when it gets embedded into concrete, certain factors work to protect it. First, is the obvious protection of simply being shielded from the outside environment by a relatively impermeable and durable material. Water and contaminants usually can't make their way through the concrete to the…
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