Example calculation Estimate the quantity of cement, sand and stone aggregate required for 1 cubic meter of 1:2:4 concrete mix. Ans. 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.

Learn MoreI just poured 1.1 cu/ft and used 54 bags(80lbs each). I came up a little short but it wasn't crucial for what I was pouring. You should need between 65-70 bags. For a slab you'll want to buy some extra, coming up short can ruin the whole slab, there is no adding on after it cures. I used a tow behind mixer which held 10 bags at a time.

Learn MoreTotal 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

Learn MoreOn a standard bag of concrete, you will find the cubic feet the bag will fill. This is the bag’s “yield,” and this number will act as the proper coverage for your home project. The yield of most concrete mix is roughly 0.15 cubic feet for every 20 pounds of mix.

Learn MoreYoull need about 4-500kg of concrete. 1170x1860x100=0.21 cubic metres x approx 2200kg/ton=478kg. Working off 20kg bags of Hi Strength concrete from Bunnings, thats 24 bags. Working off Jawsnzar numbers- bump it to 4 burrows= 320kg, plus 8 bags cement=160kg, which gives 4:2 mix and 480kg of concrete

Learn MoreMay 28, 2020 — The experts at Concrete Flooring Solutions discuss how much concrete is Should I order concrete by the yard from a ready mix company or just use bags? Smaller jobs, such as pouring slabs to erect pavements, patios or

Learn MoreThat equals 1413.38 pounds of concrete. Now, since you want to know how many sacks, divide that by the weight of the bags you intend to buy. If you buy 80 pound bags you'll need 17.6 bags. In other words, 18 bags. But if you're using 60 pound bags you'll need 23.6 bags. In other words, 24 bags. Which is cheaper? I know the 80 pound bags are.

Learn MoreJan 21, 2019 — Enter the depth, width and length of your concrete slab to calculate the How many pre-mix bags: With this concrete calculator from Bonded Concrete, you can estimate how many cubic yards or bags of concrete it will take

Learn MorePre-Mix Concrete Bag Calculator Calculated at 133.3 lb per ft³ - Allow extra for waste Cubic Feet - 100# Bags 80# Bags 75# Bags 60# Bags 50# Bags 40# Bags 25# Bags 20# Bags 10# Bags @ $ per bag

Learn MoreFor a garden type slab like this I just needed a great, easy to mix concrete that would be less likely to develop cracks. This product fit the bill perfectly. It was easy to finish and will stay looking great for many years to come. I needed about 5 bags per square 9×5 = 45 45 Eighty pound bags no problem.

Learn MoreNumber of bags of cement to make 1m3 of concrete = 1/0.167 = 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 = 300 kgs. 2.Fine Aggregate = 115/0.167 = 689 kg. 3.Coarse Aggregate = 209/0.167 = 1252 kg. 4.Water = 300*0.55 = 165 kg. I hope you have studied how to calculate how many

Learn MoreMIXING THE CONCRETE In a non-porous vessel, such as a wheelbarrow, add the Concrete Mix no more than 2 bags at a time. Add exactly 2.5 litres of clean water per bag of Concrete Mix and mix thoroughly remembering that excess water ruins good concrete.

Learn MoreAre you looking for information on you Concrete Mix Ratio Using Ballast? Read our handy article to determine how much ballast you need in your concrete.

Learn More(For reference: A standard 80-pound bag yields 0.60 cubic feet of concrete, while a 60-pound bag yields 0.45 cubic feet, and a 40-pound bag yields 0.30 cubic ft.) Advertisement Photo: hydetools.com

Learn Moreconcrete slab to calculate the number of cubic yards and Ready Mix concrete bags needed How many pre-mix bags. 40# Bags. 0. 60# Bags. 0. 80# Bags. 0

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