NB In this chapter it is also stated that "there is little experience in South Africa of the manufacture of high-strength concrete." So they have given you a very difficult task. Maybe these trial concrete mix quantities might help: MPa at 28 days Cement Sand Stone (19 or 26,5 mm)
Get PriceEngineering Professions of South Africa Act (Act 114 of 1990) or a person registered in terms of Section 11 of the Natural Scientific Professions Acts (Act 106 of 1993) and holding ... This is a concrete slab incorporating a lightly-reinforced edge beams and possibly internal beams also.
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Get PriceOnce, the quantities are determined, it is easy to estimate the cost of a concrete block, driveway, patio, yard or any other structure with the price prevailing in your area. To find the amount of ready mix concrete for a slab, you can estimate it with a standard volume calculator.
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Get PriceConcrete Slab Cost Calculator. The average cost of concrete is $3.50–$5.50 per square foot for a 6" slab. The price can go up based on further requirements for the job. Factors that can influence prices are grading, base, forms, thickness, finishing, and concrete mix characteristics.
Get PriceJan 19, 2011· But the surface is very uneven, so I would like to top it up with a new layer of concrete, and then ensure the surface is nice and level and promote the flow of all the rainwater. The current surface area is 65 square metres. IF I were to top it with 30 mm concrete, I would require 2 cubic metres of concrete.
Get PriceDangote Cement South Africa (Pty) Ltd is not liable for any loss or damage of any kind arising out of the use of the Cement Calculator service, including as a result of reliance by Users on any information and/or results generated by the Cement Calculator service.
Get PriceEngineers are interested in the exact weight of concrete as they have to account for that weight in their structural calculations. In demolition, it is important to know the weight of concrete in order to have the correct amount of trucking to rem...
Get PriceConcrete Calculator and Price Estimator Concrete Calculator – Find Yards or Bags Needed for a Slab or Footing Calculate the yards of concrete or how many pre-mixed bags of concrete are needed to pour a slab, patio, footing, column, or post fill-project, including circular slabs and patios.
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Get PriceOn-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 PriceQuickly calculate concrete slab and footing pours by entering the depth, width and length to find the number of cubic yards or bags of concrete needed for your project. Give these calculations to your ready-mix supplier or use them to estimate how many 40, 60 or 80 lb. bags of concrete to buy.
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Get PriceConcrete calculator readymix . With this Concrete Volume Calculator, just enter the dimensions of the area to be concreted and you will be provided with the cubic metres of ready mixed concrete required for your project. Please enter the dimensions in the white fields below. The calculations will be completed when you leave the last input field.
Get PriceUse the Ready Mixed Concrete Calculator below to estimate the total cubic yards of concrete needed for your next project. Please note that these calculators should be used for estimates only, and you should always factor in an additional 5% - 10% of material for waste and spillage. Slab Calculator.
Get PriceConcrete Footing Calculator helps homeowners and contractors estimate the amount of pre-mixed concrete needed for footings, slabs and walls. Enter the dimensions of your project, and you will get results in cubic yards, as well as the number of concrete mix bags needed for the job.
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Get PriceThis calculator estimates the required amount of cement, sand and aggregate (stone) for mixing on site for a given area of concrete. Please note that this is based on a 1:2:4 ratio mix.
Get PricePlease take note, the Readymix calculator is only a tool to give you an indication of how much readymix you will need. A number of factors can influence the quantities you need for a job. Contact a sales representative to help and advise you on the exact quantity required.
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