An 80-pound bag of concrete yields 0.60 cubic feet of wet concrete when mixed with the proper amount of water. Concrete consists of portland cement, sand, stone, gravel and additives that make the substance cure when it dries. An 80-pound bag needs about 6 pints of water to mix properly.Continue Reading
Concrete is used for floors, foundations, sidewalks, roads, curbs, steps, footings, ramps, patios and driveways. For small applications, concrete should be poured to a thickness of at least 2 inches.
As of September 2014, there are approximately 5,500 ready-mix concrete plants in the United States, with about 55,000 trucks able to deliver the product. The industry produces nearly $30 billion of concrete annually.Learn more about Building Materials
The mixing ratio of stucco is to use at least 3 cubic feet of plaster per bag of cement for the scratch coat and a maximum of 5 cubic feet per bag of cement for the brown coat. Water is added to the mixture as needed.Full Answer >
Concrete mixing ratios are the formula for calculating the correct amount of each ingredient used, including water, cement, sand and aggregate, to produce concrete with the properties desired. A basic concrete ratio is one part cement, two parts sand, and three parts gravel, slowly mixing in water until workable.Full Answer >
A concrete mixer is a device used in construction that combines cement with water and aggregate to create concrete. These mixers range in size from large commercial trucks to small, portable concrete mixers. The components of a concrete mixer consist of a motor, a rotating drum and a chute.Full Answer >
The ratio of water to concrete is important because it determines the strength of the concrete. Abram's Law demonstrates the importance of the ratio, stating that the strength of concrete is directly proportional to the balance of cement, water and air.Full Answer >