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Wet concrete weighs about 4,000 per cubic yard. Some types of concrete weigh more or less. Lightweight concrete weighs about 1,000 pounds less.
One cubic metre of concrete weighs 2.5 Tonnes. Typically, 1m3 of concrete is made up of 350Kg of cement, 700Kg of sand, 1,200Kg of chippings and 150 Litres of water. http://www.planete-tp.com/en/article.php3?id_article=221
Your dimensions 3' x 3' x 4" equate to .1 cubic yard. One cu yd of concrete weighs from 2000 to 3500 lbs, depending on the mix. Commercial concrete is around 3200 lbs per cu yd, so your .1 cu yd would weigh 320 lbs.
The specific gravity of limestone concrete is 2.37. Therefore 5 gallons of concrete would weigh 94.8 pounds.
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compare 0.76 cubic meter to kilogram
1472 pounds
1.3 ton
It depends on the wheelbarrow
yes, a way to find out if it weighs more, which has a greater density
It depends on the density of the material. Cubic yards is a measure of volume. Pounds is a measure of weight. For example, one cubic yard of feathers will weigh fewer pounds than one cubic yard of lead.
Assuming an 8 cubic foot capacity wheelbarrow, roughly 2.3 loads. 1 cubic yard of 3/4" minus gravel is approximately 1.4 tons, therefore 2/3 cy is approximately 1 ton and one load from an 8 cf wheelbarrow is a little less than 1/3 of a cy.
Concrete weighs approx 150 pounds per cubic foot. This slab would weigh approx 1188 pounds.
Approximately 2.0 tonnes/m3.
Normal weight concrete weighs about 4000 lb. per cubic yard. Lightweight concrete weighs about 3000 lb. per cubic yard. If a truck is carrying 10 cubic yards, then the weight of the concrete is approximately 40,000 lb. The truck will weigh approximately 26,000 lb. for a total of 66,000 lb.
Wet concrete weighs about 4,000 per cubic yard. Some types of concrete weigh more or less. Lightweight concrete weighs about 1,000 pounds less.