6 Interesting Facts About Concrete
Concrete is an engineered material that is used for a wide variety of construction purposes, due to its strength and flexibility. It is made from a blend of aggregates, which generally consist of sand, gravel, or crushed rock. A major ingredient of concrete is cement, which binds the material together and sets hard when mixed with water.
- Concrete can be mixed to different strengths and standards of durability, depending on what use it will be put to. There are over 2000 different types of concrete mix!
- In 99% of cases, cracks in concrete are caused by faults in the structure or building method, rather than because of a flaw in the concrete. It is also virtually fire proof, and does not give off toxic fumes when in contact with flames.
- Concrete is the second most used material on earth after water, and is the most widely used manmade material on the planet, and demand increases every year.
- The UK is rich in natural concrete sources, such as limestone, shale, and gypsum. and over 95% of concrete used in the UK is from local sources. This short supply chain minimises transport and storage requirements, thus reducing the carbon footprint in the production process.
- Concrete is always in high demand, and is vital to the economic progress of the country, enabling infrastructure, energy supplies, housing, hospitals, and schools to be constructed and maintained. The sector directly supports about 74,000 jobs in the UK.
- Concrete has been used for thousands of years. The largest unreinforced concrete dome in the world is the Pantheon in Rome, which was built around 120AD. It would not be allowed to be built today, because it has no supporting skeleton, and does not comply with building regulations!
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