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How Concrete Is Made?


What is concrete is a made up of? The answer to this common question is aggregates, additives, water and cement. Concrete remains an indispensable material across construction types due to its malleability while newly mixed and strength when hardened.




Raw material used to produce concrete

  • Water
  • Additives
  • Cement
  • Aggregates
  • Air

How Concrete is Made: Aggregates

Aggregates, which make up roughly 60% to 75% of ready-mix concrete’s volume, are obtained from quarries and aggregate banks.

How Concrete is Made: Additives

Additives are solid or liquid chemical substances that can be added to ready-mix concrete before or during preparation. Most commonly used additives either improve a hardened concrete’s durability or reduce a concrete’s water content in an effort to shorten setting times.

How Concrete is Made: Water

This is the mix’s vital fluid, which sets of a chemical reaction when it comes into contact with the cement.

How Concrete is Made: Cement

No other material rivals cement’s importance in the mix; it’s the ingredient that gives concrete its resistance. Although types II and IV are also employed, the most widely used cements are gray Portland type I and Pozzolana Portland type C-2.

How Concrete is Made: Concrete mixing

During the mixing phase the different components come together to produce a uniform mass of concrete. Mixing time is registered from the moment material and water are poured into the cement mixer, and it begins rotating.

While transporting concrete to a site, the cement mixer never stops revolving at a speed of two to six rotations per minute.