Many people are confused about the differences between concrete and cement. The major difference between cement and concrete is that concrete is made from water, aggregate, and cement. Cement is composed of limestone, and it is a fine powder that absorbs water and helps hold concrete together. Concrete cannot be made without cement.
What is Cement?
Cement is used by homeowners and in a number of industries. You can purchase cement in small bags and make concrete at home with water. Cement is composed of limestone, silicon, iron, calcium, and aluminum. Depending on the type of cement you need, there may be additional materials used to make the cement. Cement looks like a gray powder mixture and will harden once you add water to it. Portland cement is the most common form of cement. The cement needs water to harden into concrete, and it will remain strong once it is laid. It will continue to stay strong when exposed to the elements.
What is Concrete?
Concrete is the result of the mixture of hardened cement. It is used in construction industries to create buildings, roads, and other structures. Concrete includes a mixture of 10-15 percent total mass of concrete and a mixture of aggregate components. The concrete density varies based on the need. If you want to create a driveway, you will need a stronger form of concrete than what is used to create a walkway in the yard.
You can create a number of different objects with concrete. It helps to have a plan before you mix water with the cement to form concrete. Pour the concrete into molds to create shapes. It will set into the mold, leaving you with a perfected form.
It can take a few minutes for the water to mix with the cement to create concrete. Depending upon how much concrete needs to be used, you will likely have a large machine that continues to mix the concrete and keeps it wet, making it easy to use. Gypsum is added to the mixture to adjust the drying time. The gypsum and calcium chloride will bond together to speed the drying process. Sugar is added to the mixture to slow the drying process. Based on where the concrete is laid, and what weather it needs to withstand, other chemicals can be used to prevent problems with cracking.
To select a concrete that works well for your project, speak to a concrete expert. The properties of concrete will vary based on the aggregate-to-cement-to-water that is found in the mixture. If you have too much water, the concrete will be too weak. If you don’t have enough water, the concrete will be thick and hard to work with. It can form into large lumps, making the concrete hard to smooth out.
Over the years, concrete can wear out and will need repairs. Replacing an entire driveway requires you to break up the existing concrete and removing it before adding the new concrete. The high rock content of concrete makes it an extremely durable material to use. This is one of the main reasons why concrete is used to construct buildings, driveways, and roads.