Concrete

The world's most consumed man-made material, defined by its 3,000 PSI standard compressive strength and carbon-intensive chemical bond.

Concrete is the backbone of global infrastructure, a composite of Portland cement, water, and aggregates like gravel or crushed stone. It achieves structural integrity through hydration: a chemical reaction that transforms a fluid paste into a rock-hard matrix capable of supporting 40,000-pound loads per square foot. Modern engineering relies on specific additives (superplasticizers and air-entraining agents) to enhance workability and freeze-thaw resistance. From the 1.5 million cubic yards used in the Burj Khalifa to the standard 4-inch residential slab, this material remains the singular choice for scalable, fire-resistant, and durable construction.

https://www.concrete.org