- Is fast setting concrete weaker?
- Can you pour dry concrete?
- Will cement dry if too wet?
- Will concrete cure in wet ground?
- What happens if you add too much water to cement?
- Can you mix cement in the hole?
- Can you use quikrete without water?
- How long does it take for 5 inches of concrete to dry?
- Can you pour wet concrete on dry concrete?
- Can I mix quikrete in the hole?
- How many bags of concrete do I need for a post hole?
- How do I keep my post level while concrete dries?
- Can I pour concrete in a hole full of water?
- Does wetting concrete make it stronger?
- Is 2 feet deep enough for fence posts?
Is fast setting concrete weaker?
Fast-setting concrete isn’t just simple and fast, it’s also durable and strong, reaching 4000 psi — or pounds of force per square inch —after a month.
That’s stronger than the concrete used for foundations on most homes..
Can you 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) .
Will cement dry if 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.
Will concrete cure in wet ground?
Damp ground will not be a problem unless is can not support the weight of the concrete. Cement/concrete does not “dry” , it cures , a chemical reaction. It absorbs water to cure, as noted , some concrete applications are sprayed with water to aid the cure.
What happens if you add too much water to cement?
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.
Can you mix cement in the hole?
Fill the hole with Fast-Setting Concrete up to 3 to 4 inches below ground level. Pour about a gallon of water per 50 lb bag into the hole and allow the water to saturate the concrete mix. Wait about 4 hours to begin constructing your fence or applying heavy weight to your post.
Can you use quikrete without water?
No. Unless you live in a swamp, there won’t be enough moisture, and even if you do it won’t be mixed with the cement properly. The concrete will be dry, crumbly, and have no strength.
How long does it take for 5 inches of concrete to dry?
When waiting for concrete to dry, keep these timeframes in mind: 24 to 48 hours – after inital set, forms can be removed and people can walk on the surface. 7 days – after partial curing, traffic from vehicles and equipment is okay. 28 days – at this point, the concrete should be fully cured.
Can you pour wet concrete on dry concrete?
Fact: Fresh wet concrete does not normally bond well to existing dry concrete. … There is nothing in basic portland cement that will act as a bonding agent. Portland cement concrete works well in mass and provides great compressive strength but not bond. Concrete is marvelous stuff but in time it will deteriorate.
Can I mix quikrete in the hole?
Whether you are building a new fence, setting a mailbox or anchoring a basketball goal or play set, QUIKRETE® Fast-Setting Concrete is the ideal product for the job. With Fast-Setting Concrete there is no mixing or tools required – You simply pour the dry mix right from the bag into the hole, then add water.
How many bags of concrete do I need for a post hole?
Mix two 50lb bags of concrete with water in a mixing tub or 5-gallon bucket. Add concrete into the hole and around the 4” x 4”. Depending on your climate, let concrete set up for 24 – 48 hours.
How do I keep my post level while concrete dries?
Fill the hole up to a depth of 8 inches from ground level with 1/2-inch drainage gravel. Use rough-cut gravel with sharp edges. It will hold the post better than smooth rock.
Can I pour concrete in a hole full of water?
The good news is that you can pour the concrete in water. … The biggest issue with pouring concrete under water is movement. If the water is moving, it can wash away the cement paste that’s holding the sand and gravel together. But if the water is calm, then it’s not a problem at all.
Does wetting concrete make it stronger?
ANSWER: Keeping concrete moist helps the curing process. Concrete hardens as a result of a chemical reaction, called hydration, between cement and water, not because it dries. … Moist-curing concrete for 20 days more than doubles its strength compared to four days of moist-curing, which is considered a minimum.
Is 2 feet deep enough for fence posts?
The minimum depth that you should dig your fence post holes for panel sections is 2 feet. A general formula is to dig the holes one-third to one-half of the post’s aboveground height. The deeper you dig the holes, the more stability your fence has, but you must also purchase longer posts.