- How much does an 80lb bag of concrete cover?
- What is the strongest cement mix?
- Can I pour dry concrete?
- Does wetting concrete make it stronger?
- What is the best concrete to use for a driveway?
- What happens if you add too much water to concrete?
- How thick should the concrete be for a driveway?
- What is the smoothest concrete?
- Is 2500 psi concrete good for driveway?
- Will a concrete truck crack my driveway?
- Can quikrete be used for a driveway?
- Is quikrete as good as concrete?
- What happens if you don’t add enough water to concrete?
- How strong is 6 inches of concrete?
- Does driveway need rebar?
- Can you pour concrete directly on dirt?
- Do you need gravel under concrete?
- HOW MUCH CAN 4 inches of concrete hold?
- How long does it take for 4 inches of concrete to cure?
- Will concrete set if it’s too wet?
How much does an 80lb bag of concrete cover?
30 cubic feet, 60 pounds of concrete mix yields .
45 cubic feet and an 80-pound bag yields .
60 cubic feet..
What is the strongest cement mix?
A ratio by weight of 0.5 water, 1 cement, 3 sand, and 3 gravel should make a fine concrete, although a little less water (0.4 by weight) would make stronger concrete. The same by volume ( ie.
Can I pour dry concrete?
1 Answer. As long as you not planning to put anything heavy on it it will be OK. Dry pouring concrete can have dry pockets were water did not get to. Usually using dry pouring to make a drive way for car, garage is sufficient and possibly with some light bearing structures(open steel/wood Structures) .
Does wetting concrete make it stronger?
ANSWER: Keeping concrete moist helps the curing process. … If too much water is lost from the concrete through evaporation, the hardening process slows down or ceases. Concrete continues to gain strength after pouring for as long as it retains moisture, but the longer it moist-cures, the slower the rate of strength gain.
What is the best concrete to use for a driveway?
Portland Cement: Portland cement is a material commonly used to create concrete. It acts much like a strong glue, providing a reliable bond that makes it a popular choice for laying driveways and pathways. If you are mixing your own concrete, this will be an important component.
What happens if you add too much water to concrete?
Over-watered concrete may lead to lower strength, reduced durability, shrinkage cracking, and a variety of surface problems. It is critical that the proper amount of water be added to concrete and other cement mixes.
How thick should the concrete be for a driveway?
four inchesAs for thickness, non-reinforced pavement four inches thick is standard for passenger car driveways. For heavier vehicles, a thickness of five inches is recommended. To eliminate standing water, the driveway should be sloped towards the street a minimum of one percent, or 1/8 inch per foot, for proper drainage.
What is the smoothest concrete?
I suggest using an aggregate free Portland cement and sand (or silica powder if its available). The ratio is typically 1 part cement to 3 parts sand and water of course. The trick to getting a smooth final surface starts after its poured and before it sets.
Is 2500 psi concrete good for driveway?
2,500 PSI. Often more affordable than higher strength concrete, 2,500 PSI can be useful for driveways and walkways. However, some may choose a stronger concrete, like 3,000 PSI, to avoid excessive cracking. A good use for this concrete is a walkway on the side of a home that doesn’t receive excessive traffic.
Will a concrete truck crack my driveway?
Divin Dave. And if you have any irrigation pipes under the driveway, …. a concrete truck will crack the drive without a doubt and possibly break the irrigation pipes under it. A pumper truck or a motorized concrete buggy are the best options.
Can quikrete be used for a driveway?
Product Overview. Quikrete 80 lb. Crack-Resistant Concrete is designed to significantly reduce the amount of cracking caused by drying shrinkage. This concrete is ideal for driveways, walkways, floors, sidewalks and patios.
Is quikrete as good as concrete?
Quikrete Fast-Setting Concrete Mix is easy to use — just add water — and it sets in 20 to 40 minutes. It’s the most efficient option for setting posts for things like mailboxes, fences and lamps. … That’s stronger than the concrete used for foundations on most homes.
What happens if you don’t add enough water to concrete?
If there is too much water, the resulting concrete will be weak and will have poor surface qualities. If there is not enough water, the concrete will be hard to work into place. Concrete that is too dry on the left, and too wet on the right.
How strong is 6 inches of concrete?
For example, a 6-inch pad with a compression strength of 700 psi can support 1,105 psi. If it was 7 inches thick, it could support 1,194 psi, and if it was 12-inches thick, it could support 1,563 psi.
Does driveway need rebar?
Using steel reinforcement will provide additional structural capacity for your driveway and is especially important if the slab will be exposed to heavy traffic. Reinforcement won’t prevent cracks, but it will help hold them together if they do occur. Reinforcement can be either wire mesh or ½-inch (#4) steel rebar.
Can you pour concrete directly on dirt?
Long story short, yes you can pour concrete over dirt.
Do you need gravel under concrete?
Whether you pour concrete for a walkway or patio, a strong gravel base is required to prevent the concrete from cracking and shifting. Gravel is especially important in clay soil because it doesn’t drain well, which results in water pooling under the concrete slab and slowly eroding the soil as it finally drains.
HOW MUCH CAN 4 inches of concrete hold?
Four inches is the general rule for residential areas, and it can hold several regular-sized cars without the homeowner having to worry about cracking.
How long does it take for 4 inches of concrete to cure?
For domestic mixes – driveways, for example – you can expect the concrete to be set within 24-48 hours. But again, you should give it the full 28 days before using it to park the family car.
Will concrete set if it’s too wet?
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.