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What is the quantity of cement aggregate sand for filling 1 cft of concrete?
Wiki User
∙ 9y ago
There should be three quarters of a pound of sand. If the cement is reinforced then add 25 percent more.
Wiki User
∙ 9y ago
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Why should the cement aggregate be well graded?
A variation in aggregate side (well graded) allows the concrete to be more dense, which means less voids, which allows for stronger concrete. Think of it this way. If you had a two rooms, and you filled one with just basketballs and the other with beach balls, then basket balls, then baseballs, then golf balls, then bee bees which would you think would be filled more. The one with the varying sized balls.
What is concerete made up of?
cement powder mixed with an aggregate (usually gravel or sand) and water
What is pcc in drawings?
PCC stands for: Portland Cement Concrete.
In ancient Rome did they use concrete or cement for baking bricks?
i don't know what baking bricks are but ancient Rome used concrete in many structures
Can salt water be used for cement mixtures?
Generally, salt is harmful to concrete. It will seriously corrode any reinforcing steel. The salt crystals, when the concrete is dry, will weaken the concrete. The setting of cement is a complex set of chemicals, calcium sulphates and silicates mainly. The presence of salt may interfere with these crystals forming, which may take years.
What is dry lean concrete?
A plain concrete with a large ratio aggregate to cement than structural concrete. It is used for filling and not structural duties
How the changing of workability when the concrete mixture containing high aggregate content?
Aggregate to cement ratio is an important thing which affects the workability....! If the aggregate/cement ratio is higher , the concrete will be Leaner. Less quantity of paste is available for lubrication, Hence workability decreases..!! On the other hand if the aggregate/cement ratio is lower, the concrete will be fatty. Higher quantity of paste is available for lubrication. Hence workability increases. ! Thus Higher aggregate content leads to lowering of workability....!
What are the differences between cement mortar and concrete?
Cement mortar is a mixture of cement, fine aggregate and water.Concrete is a mixture of cement, fine aggregate, coarse aggregate and water.Generally, concrete have higher strength than cement mortar.
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.
What are the ingredients of plain cement concrete?
Aggregate, Ordinary Portland Cement, sand, water
Is concrete a homogeneous?
Within the concrete, there is cement, aggregate, and water. Cement is simply a glue that holds the rock or other aggregate together. Water activates the cement. Even cement itself isn’t a homogenous mixture, which means concrete could never be homogenous.
What is the concrete mixing ratio in m20 concrete?
1:1.5:3:0.45 (cement,fine aggregate,coarse aggregate, water cement ratio)
Is cement and concrete the same thing?
No, it is differentCement is a constituent of concrete.Where as concrete is a mixture of cement, fineaggregate, coarse aggregate and water.
How are concrete and cement different?
Concrete is an aggregate which includes cement. See the related link listed below for more information:
Is concrete a compound an element or a mixture?
Concrete is a composite construction material, composed of cement (commonly Portland cement) and other cementitious materials such as fly ash and slag cement, aggregate (generally a coarse aggregate made of gravel or crushed rocks such as limestone, or granite, plus a fine aggregate such as sand), water and chemical admixtures.
What is the process of calculating quantity of cement sand metal in concrete mix design?
Choose the grade of concrete & assume minimum water/cement ratio.Conduct some initial tests on the materials like cement, sand & metal(coarse aggregate).Tests like UNIT WEGHT, SPECIFIC GRAVITY,SIEVE ANALYSIS,SLUMP CONE TEST & COMPACTION FACTOR TEST. According to the obtained results do the mix design from IS CODE of IS800-10262 check for water cement ratio & calculate the quantity of cement, sand & coarse aggregate.
What is the use of RCC?
RCC that is reinforced cement concrete which is composed of cement(mainly),sand(fine aggregate),metal(coarse aggregate)and water.Which is further more supported by iron which makes it RCC from ordinary cement concrete.
