Table of Contents
Measure the recommended water amount (each 80-pound bag of concrete mix will require about 3 quarts of water). Pour approximately 2/3 of the water into the depression. If using liquid cement color, add to the mixing water.
How much water do I need for 80 Quikrete?
For each 80 lb (36.2 kg) bag of QUIKRETE Concrete Mix to be mixed, add approximately 6 pt (2.8 L) of fresh water to the mixer. Turn on the mixer and begin adding the concrete to the mixer. If the material becomes too difficult to mix, add additional water until a workable mix is obtained.
How much concrete does an 80-pound bag of Quikrete make?
15 cubic feet for every 20 pounds of mix, so a 40-pound bag yields . 30 cubic feet, 60 pounds of concrete mix yields . 45 cubic feet and an 80-pound bag yields . 60 cubic feet.
How much water does a 60 lb bag of concrete need?
Pour water into the dry mix until the powder is saturated with water. Depending on soil conditions, this will require about 1-1/4 gallon (4.7 L) of water per 60 lb (27.2 kg) bag.
How much water do I need for a 20kg bag of concrete?
As a guide, use around 2 litres of water per 20kg bag. Do not over water unless you need to achieve a sloppy mix. The less water the stronger the concrete.
What happens if you add too much water to Quikrete?
When a concrete mixture is too wet, it causes a greater amount of shrinkage during the drying process than is needed. As a result, the concrete has a great likelihood of cracking and for those cracks are likely to be a fairly good size. A watery mix actively reduces the compressive strength of the dried concrete.
How much area does an 80 pound bag of concrete cover?
80 lb bag of concrete yields 0.60 cubic feet which is approximately around 0.0222 cubic yards that will cover around 3.6 sq ft area up to standard depth of 2 inch excavation or backfills, and for 1 cubic feet of landfill you will need 1.66 bags of 80 lb concrete.
How many cubic inches will an 80 pound bag of concrete?
Use the following yields per each bag size: 40 pound bag yields .011 cubic yards. 60 pound bag yields .017 cubic yards. 80 pound bag yields .022 cubic yards.
How many 80 pound bags of Quick Crete make a yard?
Each 80 pound bag yields 0.6 cubic feet. There are 27 cubic feet in a cubic yard. Thus, it requires 45 bags to yield 1 cubic yard. An 80 Lb.
How wet should concrete be?
The concrete should have a peanut butter-like consistency. It should not be soupy. If so, add a small amount of dry concrete to stiffen the mix.
How long does it take to Mix 80 lb quikrete?
Mix the concrete for about 3-5 minutes, until a uniform, workable consistency is achieved. If additional water is needed, add small amounts of water sparingly. Properly mixed concrete should look like thick oatmeal and should hold its shape when it is squeezed in a gloved hand.
How much does a 90 lb bag of concrete cover?
A: Each 90-pound bag of QUIKRETE® Concrete Mix will yield approximately 0.675 cubic feet when mixed. For an area of 4′ by 15′, you will need 7-1/2 bags per inch of depth. For example, if you are using common 2×4″ lumber for forms, the depth is 3-1/2″. In this case, you will need 26 90-pound bags.
Can you add too much water to concrete mix?
Effects of too much mixing water Lower compressive strengths. Segregation of the concrete mix under certain conditions resulting in variable quality throughout the concrete mass. Cracking – with too much water, there will be lower tensile strength, and a tendency towards high shrinkage and subsequent cracking.
How much water do I mix with concrete?
Typically, a mix is about 10 to 15 percent cement, 60 to 75 percent aggregate and 15 to 20 percent water. Entrained air in many concrete mixes may also take up another 5 to 8 percent.
How thick should a concrete slab be?
Standard concrete floor slab thickness in residential construction is 4 inches. Five to six inches is recommended if the concrete will receive occasional heavy loads, such as motor homes or garbage trucks. To prepare the base, cut the ground level to the proper depth to allow for the slab thickness.
How many bags of concrete do I need for a 10×10 slab 4 inches thick?
The thickness of your 10′ x 10′ slab will determine just how many bags you need. The average thickness of a 10′ x 10′ concrete slab for a shed is 4 inches thick. At 4″ thick, your 10 x 10 slab will take 56 bags of concrete that weigh 80 lbs.
How many square feet is a yard of concrete 4 inches thick?
One Cubic Yard of Concrete: 4-inches thick – covers 81 square feet.
How much water should I add to cement?
For every pound (or kilogram or any unit of weight) of cement, about 0.35 pounds (or 0.35 kg or corresponding unit) of water is needed to fully complete hydration reactions. However, a mix with a ratio of 0.35 may not mix thoroughly, and may not flow well enough to be placed.
How much water do I need for 10 lbs of concrete?
As you can see, the table expects a 10 pound bag of Quikrete to require a starting water amount of approximately 1.75 pints or . 83 liters!.
What happens if you use too much water in concrete?
Effects of too much mixing water Lower compressive strengths. Segregation of the concrete mix under certain conditions resulting in variable quality throughout the concrete mass. Cracking – with too much water, there will be lower tensile strength, and a tendency towards high shrinkage and subsequent cracking.