What is a good concrete mix for a driveway?
The best concrete mix for driveways is at least 3500 psi compressive strength and 5-6 inches thick over compacted gravel and earth with a water to cement ratio of . 50 and aggregate less than an inch.
What PSI is a 6 bag?
4,000 PSI
Adhere to the first principle by using a minimum cement content of 6 bags per cubic yard of concrete (4,000 PSI). Cement is what holds your concrete together, so don’t stint on the cement! Next, limit your water content to a maximum of 6 gallons per cement bag.
How many bags of quikrete do I need for a driveway?
6 cubic feet per 80-pound bag. For a driveway foundation 20 feet long, 10 feet wide and 4 inches in depth, the volume of the driveway is 66 cubic feet. This requires 110 80-pound bags of Quikrete for coverage, as each bag of the recommended mix has a coverage rate of 0.60 cubic feet.
What is a 7 bag mix concrete?
7 bag mix = 3500 psi …….. and so on…. The “Pounds per Square Inch” rating is a bit misleading……the rating for footing concrete would also hold about any vehicle you would park on it ( including your house )…….but the higher the PSI or bag mix, the more Portland cement in the cubic yard.
Is 3500 psi concrete driveway good?
The most desirable strength for driveways varies based on climatic conditions. The typical concrete strength used for a driveway is in the 3000 psi to 4000 psi range, although temperate areas of the country may use lower strengths.
Is 4000 psi concrete good for driveway?
What is a 6 bag mix?
A six bag mix is a concrete mix that has six bags of portland cement in it. In general, the more bags of cement in a mix, the stronger the mix. Most mixes have 5 to 7 bags of cement. Some concrete contractors (usually the old timers) will order their concrete based on bags rather than psi.
What is a 6 bag concrete mix?
