it takes 45 Bags of 80# mix to make a cubic yard
A 60-pound bag of concrete mix typically yields about 0.45 cubic feet of concrete. To convert this to square feet, you need to know the thickness of the slab you plan to pour. For example, if you're pouring a 4-inch thick slab, the 60-pound bag would cover approximately 13.5 square feet.
you wouldn't even need 1 bag of cement and there are also lots of variables, thickness, mix ratio, bag sizes?
5 or 6. An 80 lb. bag of ready mix concrete will make about 1/2 cubic foot of concrete. A 94 lb. bag of portland cement mixed with 1 1/2 cu. ft of stone (coarse gravel) and 1 cu. ft. of sand will make 3 cubic feet of concrete or 6 times as much. (this is a common 1:2:3 mix) Quikcrete ready mix is often made with 1 part cement, and 2 1/2 parts each sand and stone. A 1:1 1/2: 3 mix is a stronger mix but you get less volume, at 5 1/2 cubic feet per bag of cement.
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On average, 8 cubic feet of concrete can weigh around 4,000-4,500 pounds, depending on the density of the concrete mix.
Typically, a 90 lb bag of concrete mix would require around 1.8 lbs of lime if using a 2:1 ratio of sand to cement. However, it's essential to follow the manufacturer's instructions on the concrete mix bag for the correct proportions for your specific project.
This all depends on the mix you want. I assume you mean cement when you mention the 80lb bag of concrete. I have pushed concrete in my day... Bag cement mix is the same as concrete. Don't be funny. How many 80 pound bags will make 1 yard of concrete? I want a definitive answer this time.
With a sledgehammer.
i wouldn't think so! this is a 55lb. bag of concrete. water weighs 8lbs. per gallon. so you would need to figure out how many gallons of water you are going to use. should be some type of guide line on bag. but remember some of that water will evaporate. so an exact weight would be hard to figure, until the concrete was cured and actually weighted.
The answer is, remarkably, 6. Answer: "6 sack" or "6 bag mix" has six bags of cement per cubic yard of concrete mix. Since each sack/bag contains 94 lbs of dry cement, this equals 564 lbs of cement per cubic yard of concrete.
Concrete strength is measured by "bag mix", meaning that the bag mix answers the question, how many bags of cement per yard of concrete. If you're looking for a "6 bag" mix, that means 6 bags of cement per yard of concrete. A "bag" of cement is 1 cubic foot. A yard of concrete is 27 cubic feet (3 X 3 X 3 = 27). If you want to make a "6 bag mix" of concrete, using 1 bag of cement, you would make 1/6 yard concrete with 1 bag of cement. If you would be content with a "5 bag mix", you could make 1/5 yard. Concrete is often defined as ratios of cement,sand,aggregate such as: 1:2:3 which is a very common mix. For a 1:2:3 mix you would need 1/6th of the volume to be cement. The dry ingredients are generally 1.6 x finished concrete volume. Therefore dry volumen for 1 cubic yard = 1.6 cu yards = 43.2 cu ft. 1/6 x 43.2 = 7.2cu ft. Therefore, if one bag is 1 cu ft we need 7.2 bags for a healthy 1:2:3 mix. A '6 bag mix' or a '5 bag mix' are a bit short on cement.
Usually concrete mix comes in 40, 60 or 80 pound bags.
I believe a case is 10lbs... 2 bags per case... 5lbs per bag
On average, concrete weighs about 12.5 pounds per square foot per inch thick. This can vary based on the type and density of the concrete mix.
The amount of concrete needed for a fence post depends on the size and depth of the hole. Typically, a 50 lb bag of concrete mix is enough for one standard fence post.
A cubic yard of concrete typically weighs between 3,000 to 4,000 pounds (1.5 to 2 tons) depending on the density of the concrete mix.