![]() ![]() The density of concrete is checking strength by using test cylinders and a reduced density of normal concrete always means that there is a higher content of water which lowers the strength of concrete. To predict possible strength these strength tests are done at 24 hrs, 7 days, and 28 days in the lab. Normal weight concrete weighs about 18 lbs per square foot with a standard thickness of 1.5 inches and lightweight concrete weighs 14.5 lbs per square foot with a standard thickness of 1.5 inches.Ī large surface area would result in a considerable concrete weight saving and would be worth considering for flooring. WEIGHTS PER UNITED STATES GALLON AND WEIGHTS PER CUBIC FOOT OF SUGAR SOLUTIONS Compiled by Carl F. ![]() To Calculate How Much Square Foot Of Concrete Weighs: Always know that lightweight concrete is usually double the price of regular concrete. ![]() To figure the weight of a square foot of concrete is based on how thick concrete is and there is a simple calculation for it given below įor the depth in feet divide the thickness of your concrete by 12. Then multiply the 5 feet thickness by 145 ponds & you get 72.5 pounds. ![]() So this is calculated that a 6-inch thick slab weighs 72.5 pounds per square foot. ![]()
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