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These Concrete Calculators work out the required cement and all-in ballast or cement, sharp sand and gravel required to complete a user defined volume of finished concrete. Both concrete calculators make an allowance for the fact that ballast etc losses volume when mixed to make concrete. Two Concrete Calculator are provided for different concrete mixes: General mix - 1:5 cement:all-in ballast ...

Get PriceEmail contactThus, in order to make a good concrete, the proportion of ingredient is important. water cement ratio is important (it should lie between 0.4–0.45; niether more nor less than this), how we mix, place, compact concrete is again very important. Curing, if not done, then the true strength of concrete will not be realised and cracks may develop.

Get PriceEmail contactUse the Readymix Concrete Volume Calculator to calculate the volume of concrete you require for your job. If you are not sure of how to calculate the volume of different shapes, you can use the Common Shape Calculator which will provide you with the appropriate equations. *1m³ minimum order value. 1. Calculate your volume. 2. Choose your project.

Get PriceEmail contactAns. Materials required are 7 nos. of 50 kg bag of cement, 0.42 m 3 of sand and 0.83 m 3 of stone aggregate.

Get PriceEmail contactOn-Site Concrete calculator. Use this calculator to determine how much sand, aggregate (gravel) and cement is required for mixing on site a given area of concrete (1:2:4 ratio). Please enter the dimensions in the white fields below and click calculate to display the results. See below for help on concrete.

Get PriceEmail contactFor estimating purposes, you can make about 1 cubic yard of concrete with 5 1/2 94-pound bags of cement, 17 cubic feet of sand, and 18 cubic feet of gravel. (It takes about forty 80-pound bags of prepackaged materials (like Quikrete) to make 1 cubic yard of concrete.)

Get PriceEmail contactThe requirement of cement in 1 m3 of concrete will depend on the grade of concrete suppose for M20 grade of concrete proportion is 1:1.5:3 volume of dry Concrete = 1.54 to 1.57 times Volume of wet concrete Lets assume 1.57 So, volume of cement =ce...

Get PriceEmail contactThe question needs to be more specific as to what grade of concrete is to be made which depends on the conditions the concrete structure will be used in. For a rough idea to calculate the cement required a for a specific grade of concrete Ex. 1:1....

Get PriceEmail contactWater in litres = Total volume of cement required x 0.55; How to Mix Concrete. When mixing concrete you will find that, while the ballast will heap on your shovel, the cement will slide off. This will give you incorrect proportions when mixing – 1 part of cement should be equal to 1 part ballast. It is better to measure your quantities using a bucket to ensure correct proportions. If the ...

Get PriceEmail contactAs you can see a little more cement and a little less sand is required to produce this stronger concrete mix that is great for driveways, pool decks, sidewalks, exterior patios, and commercial garages. Knowing the weight of the materials and how much water to use should help you determine how much cement,

Get PriceEmail contactThese Concrete Calculators provide the required quantities of cement and all-in ballast or cement, sharp sand and gravel required to give a defined volume of finished concrete. Both of these concrete calculators make an allowance for the fact that material losses volume after being mixed to make concrete. Calculator are provided for a general mix and a paving mix, the different ratio of ...

Get PriceEmail contactThe requirement of cement in 1 m3 of concrete will depend on the grade of concrete suppose for M20 grade of concrete proportion is 1:1.5:3 volume of dry Concrete = 1.54 to 1.57 times Volume of wet concrete Lets assume 1.57 So, volume of cement =ce...

Get PriceEmail contactAggregates directly influence the compressive strength of concrete. In a standard cubic metre of concrete, this amount of crushed rock forms a sturdy framework for the mix, while the size and shape of the aggregates will influence workability. 1 Cubic Meter of Concrete. 1m 3 of concrete = 150l water + 250kg cement + 700kg sand + 1200kg aggregates.

Get PriceEmail contactTotal weight of concrete ingredients = 50+115+209+27.5 = 401.5 say 400 kg. Density of concrete = 2400 kg/cum. So, 1 bag of cement produces = 400/2400 = 0.167 cum. No. of bags required for 01 cum of concrete = 1/0.167 = 5.98 bags ~ 6 bags. From above, if the concrete mix is 1:2:4 , to get a cubic meter of concrete we require. 1.Cement = 6 bags ...

Get PriceEmail contact30/12/2011 Currently doing fence posts and some small concrete pads around the house so I need to self mix the concrete. I keep searching for this type of thing on the internet: Here is a good example of what is required from Boral’s Site. From my learnings: 1 Cement 2 Sand 3 Aggregate (gravel) is too strong. 16bags (costly) 1 Cement 2.5 Sand 4 Aggregate is OK for fence posts. 13bags of cement per ...

Get PriceEmail contactMethod 2 - Using a cement mixer. Alternatively, if you’ve decided to use a cement mixer it’s important to make sure the amount of cement you plan to mix in one go is appropriate for the size of mixer. If the volume is too small, it won't mix correctly. And too large a volume could overload the machine. Step 1

Get PriceEmail contact25/10/2018 Ready-made concrete bags are useful for much smaller projects – all you need to do is add water. Mortar is made of cement and sand – it’s not as strong as concrete, but is usually used as a glue-type material – sticking down paving flags for patio projects, for example. How to mix cement to make a mortar or concrete mix

Get PriceEmail contactThe question needs to be more specific as to what grade of concrete is to be made which depends on the conditions the concrete structure will be used in. For a rough idea to calculate the cement required a for a specific grade of concrete Ex. 1:1....

Get PriceEmail contactTotal weight of concrete ingredients = 50+115+209+27.5 = 401.5 say 400 kg. Density of concrete = 2400 kg/cum. So, 1 bag of cement produces = 400/2400 = 0.167 cum. No. of bags required for 01 cum of concrete = 1/0.167 = 5.98 bags ~ 6 bags. From above, if the concrete mix is 1:2:4 , to get a cubic meter of concrete we require. 1.Cement = 6 bags ...

Get PriceEmail contactTo ballast concrete, how much cement is required? Concrete suitable for driveways, paths, and patios is made by mixing 1 part cement with 6 parts ballast, and foundation-strength concrete is made by increasing the ratio to 1:8. For 1m3, how much ballast and cement do I need? For 1 m3 of footing, 2 tonnes of aggregate and 10 – 12 bags of cement are required; for 1.6 m3, 3.2 tonnes of ...

Get PriceEmail contactThe requirement of cement in 1 m3 of concrete will depend on the grade of concrete suppose for M20 grade of concrete proportion is 1:1.5:3 volume of dry Concrete = 1.54 to 1.57 times Volume of wet concrete Lets assume 1.57 So, volume of cement =ce...

Get PriceEmail contactEstimate volumes of aggregates and cement needed to mix a C7.5 equivalent concrete as used for bedding kerbs and edgings. Appears on: Laying Edgins ; C20 Concrete The volume of concrete required is cubic metres You will need approximately..... Kg of cement Kg of sand Kg of gravel Litres of water Description: Calculate quantities of sands, gravels and cement needed to mix a general

Get PriceEmail contact25/10/2018 Ready-made concrete bags are useful for much smaller projects – all you need to do is add water. Mortar is made of cement and sand – it’s not as strong as concrete, but is usually used as a glue-type material – sticking down paving flags for patio projects, for example. How to mix cement to make a mortar or concrete mix

Get PriceEmail contactBy using this calculator you can find out how much concrete you need. Enter values for the length, width depth in the fields below. Then click on the “CALCULATE” button. It will calculate the volume of concrete you need. Please note that due to variations in the levels and widths the actual volume may be different to the result, however with Concrete4U it is not a problem as we always ...

Get PriceEmail contactHow many 25Kg bags of cement do I need for 1 cubic metre of all-in-ballast when mixing concrete at a ratio of 1:6. homeowner. 6 6 Answers from MyBuilder Groundworkers . Best Answer. Local patios and driveways. Crawley • Member since 24 Jan 2012 • 2 jobs, 100% positive feedback. 14874. Errmm.. At 6:1 ratio you will need approx two bulk bags which is 1700kg or 1.2cumtrs. Which adds up to 11 ...

Get PriceEmail contact22/06/2020 Let’s use this in an example, for M5 concrete, the mixing proportion would be 1: (cement) 5: (sand) 1: (coarse) 0: (aggregates). The mix will always consist of cement, sand, water and aggregates. Base Concrete provide a helpful table that outlines all concrete mix ratios: Concrete Grade. Mix Ratio (cement : sand : aggregates)

Get PriceEmail contact13/11/2019 C ompanies are trying different methods to reduce or eliminate the amount of clinker required to make concrete. North Carolina-based bioMASON, for example, employs naturally occurring bacteria as a binder to make concrete bricks, while CO2Concrete, a spin-off from UCLA, has developed a technology that takes carbon dioxide directly from the flues of power plants to produce solid mineral ...

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