concrete
Sign in to savethumb|A single concrete block, as used for construction
AI overview
Concrete is a building material made by mixing cement, water, and aggregates like sand and gravel, which hardens into a solid mass. It matters because it's one of the most widely used construction materials for buildings, roads, and infrastructure projects around the world.
AI-generated from the Wikipedia summary — may contain errors.
Article
61 sectionsContents
- Etymology
- History
- Ancient times
- Classical era
- Middle Ages
- Early modern period
- Modern period
- Composition
- Cement
- Curing
- Aggregates
- Admixtures
- Mineral admixtures and blended cements
- Production
- Design mix
- Mixing
- Sample analysis—workability
- Curing
- Maintaining optimal conditions for cement hydration
- Curing techniques avoiding water loss by evaporation
- Alternative types
- Asphalt
- Geopolymer concrete
- Graphene enhanced concrete
- Microbial
- Nanoconcrete
- Pervious
- Polymer
- Plant fibers
- Sulfur concrete
- Volcanic
- Waste light
- Recycled Aggregate Concrete (RAC)
- Properties
- Energy efficiency
- Fire safety
- Earthquake safety
- Construction
- Reinforced
- Precast
- Mass structures
- Surface finishes
- Prestressed
- Placement
- Cold weather placement
- Underwater placement
- Roads
- Tube forest
- Environment, health and safety
- Health and safety
- Cement
- Climate change mitigation
- Climate change adaptation
- End-of-life: degradation and waste
- Recycling
- World records
- Art
- See also
- References
- Further reading
- External links
thumb|A single concrete block, as used for construction
Concrete is a composite material composed of aggregate bound together with a fluid cement that cures to a solid. It is the second-most-used substance (after water), the most widely used building material, and the most-manufactured material in the world.