It has been identified that many people use the terms concrete and cement interchangeably. However, cement and concrete are not the same. Concrete can be defined as a mixture of several items, where cement is an essential constituent. On the other hand, cement would act as the binding agent, which can keep all the elements together in concrete.
Cement is widely known as a binding material. It is made through grinding clay and limestone to very fine powder. The key elements that can be found in cement are silicon and calcium. As mentioned earlier, cement is being used as the binding agent for concrete. It can also be used when making mortar.
Concrete is defined as a heterogeneous mixture that contains water, crushed stone, sand and cement. Some of the aggregates that can be found in concrete, such as stone and sand are inert whereas water and cement go through a variety of chemical changes. It has been identified that around 7.5 gallons of water need to be used for bag of cement. You can find many different types of concrete. For example, steel is being added to concrete in order to enhance its strength and it is known as reinforced concrete.
Differences between Concrete and Cement
Key Elements, Batch Size, Volume and Purpose
The key elements of concrete include rocks, cement, sand and water, whereas the key elements of cement include clay and limestone. Cement can only be mixed in small batches whereas concrete can be mixed in large quantities.
It has been identified that cement contains about 15% of total volume of concrete. When it comes to a concrete mixture, aggregates contain about 75% and water is about 15%. The remaining amount is cement.
Cement and concrete are being used for two different purposes as well. In other words, cement is being used as glue or a binding agent, whereas concrete is used as a construction material.
Concrete for Strength, Cement for Drying Time and Aesthetics
People don’t tend to use cement for walls and sidewalks because they are not strong. Instead, they prefer to use concrete because of its strength and durability. The drying time and color of concrete can be changed slightly by altering the chemical compounds. But it is not possible with cement and if you want to change the color of concrete you would need to use a tint.
Cement and Concretes for Varying Environments
Different types of cement can also be found out there in the world. For example, you will be able to find freezing and thaw-resistant Portland cements, which are ideal for use under adverse weather or climatic conditions. If people are planning to use concrete under such environmental conditions, they need to be careful enough to select appropriate cement. Otherwise, they will have to go through the hassle of adding entrain mixtures.
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