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A 6 X 12 will hold more weight than a 4 X 8 of the same material because there is more surface area. Concrete strength is measured in psi, so a larger cylinder = more square inches = more pounds.

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How many cubic inches are in one concrete block?

8 x 8 x 16 = 1,024 cubic inches.


How square feet in one yard of concrete?

It is impossible to answer the question as asked because square feet is a measure of area and a "yard of concrete" actually refers to a cubic yard of concrete. However, if we make a couple assumptions we can answer the question I THINK you're asking which is, "How many square feet of concrete does one cubic yard of concrete yield if poured to a typical depth of 4 inches?" The inches of depth can be changed to suit the situation, but in any case giving the poured concrete a depth turns it into a volume which makes it easier to compute the area a cubic yard of concrete will cover. To begin, we need to convertt the square footage of concrete (which is an area) to a volume. Let's use 6 inches for the depth: 12" x 12" x 6" = 864in^3 or 864 cubic inches This is the number of cubic inches of concrete in one square foot of concrete poured to a depth of 6 inches. Now we put a cubic yard into the same terms, cubic inches: 36" x 36" x 36" = 46,656 in^3 or 46,656 cubic inches of concrete. Now we simply divide number of cubic inches of concrete in a yard of concrete by the number of cubic inches in a square foot of concrete poured to a depth of 6 inches: 46656 / 864 = 54 square feet. By the way, there are 27 cubic feet in a cubic yard and you may notice that 27 x 2 = 54. That's a result of the depth I chose for the poured concrete--6 inches. A square foot of concrete poured to a depth of 6 inches is equal to one half cubic foot of concrete. 27 / .5 = 54 If you want to figure square foot yield per yard when you pour the slab at 4 inches instead of 6 inches, then simply substitute 4" in the equations for 6". (36" x 36" x 36") / (12" x 12" x 4") = 81 square feet.


How many feet will one yard of concrete at 4 inches cover?

81 square feet


How many pounds is a piece of concrete one foot by one foot and twelve inches thick?

Is the concrete filled with pebble or lightweight foam? This is really an impossible question. Not enough data.


If a six cylinder has a cylinder diameter of 3 inches and a stroke length of 3 inches the total engine displacement is approximately?

One cylinder would have a displacement of 21.2 cubic inches. By multiplying this displacement by the number of cylinders, in this case 6, the total displacement would be approximately 127 cubic inches. Area of circle pi x radius squared x length of stroke = one cylinder's displacement. be sure to use same units for area as well as stroke.


What is the volume of the cylinder with a diameter of 6 centimeters and a height of 8.6 centimeters?

Volume of a cylinder = (pi) x (its radius)2 x (its length) .Radius of this one = 8 inches1,728 cubic inches=1 cubic footVolume of this cylinder = (pi) x (8)2 x (22) = 4,423.36 cubic inches = 2.56 cubic feet (rounded)


How many 60 bags of concrete make one yard of concrete?

According to the related link below; the required amount to cover 1 square yard with 4 inches of concrete is 6.6 60 pounds bags.


Which one provides best protection against gamma rays?

Several feet of concrete or a few inches of lead


If you pour 85 yards of concrete 4 inches thick how many sq ft is that?

one (1) cubic yard of concrete four inches thick will cover 80 sq. feet. 85 yards x 81 = 6885 sq. feet.


How many gallons in a cylinder 3 inch radius by 12 inches long?

The volume of the cylinder is πr²h, which works out to 339.292 cubic inches, or 1.469 U.S. gallons. (One gallon is exactly 231 cubic inches.) Note that the answer is different if you use Imperial gallons. That's just one more reason to go metric!


How much concrete blocks make a foot?

The number of concrete blocks that make up a foot depends on the size of the blocks. Standard concrete blocks, often referred to as cinder blocks, typically measure 16 inches long, 8 inches high, and 8 inches deep. To cover a linear foot, you would need about 0.75 of a standard 16-inch block to reach a total of one foot in length.


How many gallons of water are in a cylinder eighty inches across and one inch deep?

21.76 US gallons of water.