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What are the 3 substances that cement is mixed with to make concrete?
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When mixing to make concrete what do you add to the mix last sand water or cement mix?
The water should be added last. All the aggregate materials and the cement should be thoroughly mixed before the water is added.
What elements make up concrete?
Concrete is probably the most important building material today and is used as an alternative for brick/wood since the Roman & Egyptian times. It is composed of cement,stone[gravel], sand and water which is a key ingredient that hardens the concrete. When reinforced with steel bars it is even more useful.
Is concrete a metal nonmetal or metalloid?
No. Concrete is a mixture of cement and other elements. Reinforced concrete often includes iron or steel beams in it to make it stronger.
What does cement mixed with sand limestone and sodium carbonate make?
It makes glass
What substance are used to make concrete?
cement, sand, water, aggregate(small stones) or sometimes crushed rock etc..
What two substances must be mixed with cement to make concrete?
1) sand 2) water
When cement is mixed with gravel what important material does it make?
Concrete.
What makes glass and concrete?
Both glass and concrete contain sand. Sand is melted to make glass. It is mixed with aggregate (gravel) portland cement and water to make concrete.
How heavy is a bag of cement?
From the largest manufacturer of backaged Portland Cement, bags come in 92.5 lb bags. To be clear, cement is mixed with sand and often aggregate (pea-gravel up to much larger rocks or other things such as broken out concrete chunks) to make concrete. Portland Cement by itself has no structural integrity when mixed with water. It must be mixed with sand at a minimum to make a hard, useful product (concrete). Concrete comes in bags weighing 50, 60, and 80 pounds here in the US.From the largest manufacturer of backaged Portland Cement, bags come in 92.5 lb bags. To be clear, cement is mixed with sand and often aggregate (pea-gravel up to much larger rocks or other things such as broken out concrete chunks) to make concrete. Portland Cement by itself has no structural integrity when mixed with water. It must be mixed with sand at a minimum to make a hard, useful product (concrete). Concrete comes in bags weighing 50, 60, and 80 pounds here in the US.
What is cement concrete?
Concrete actually contains cement as well as sand and gravel. We say "cement concrete" because cement is an ingredient in concrete. And because the cement is what binds together the sand and gravel that make up the concrete.
What is mixed with limestone to make cement?
it is mixed with clay to form cement.
Should a sidewalk be made of cement or concrete?
Concrete is what you make a sidewalk from. To make concrete, you mix Portland cement, sand, gravel (aggregate) and water. The cement holds the aggregate together.
Will cement harden in the cement truck if it is not rotating?
Actually, the rotation is mainly to keep the concrete well mixed and homogeneous during transport, thereby insuring the sand, gravel, water, and cement is well mixed. The concrete itself will set up or harden at approximately the same rate of time, regardless, whether it is rotating or not. Typical concrete mixes show noticeable hardening/stiffening after approx 2 hours, depending on temperature and other factors.**Note: The correct term is concrete. Cement is actually the dry gray powder, that when hydrated with water, bonds the rock and sand together to make concrete.
How does cement make concrete building?
cement is made with water cement mixture and sand after all of this is added
When mixing to make concrete what do you add to the mix last sand water or cement mix?
The water should be added last. All the aggregate materials and the cement should be thoroughly mixed before the water is added.
What does cement and sand water and rocks make?
It is CONCRETE.
Is cement homogeneous?
Yes. The cement used to make concrete usually has sand, aggregate and Portland cement in it. That would make it heterogeneous.
