If you want to use fresh concrete to make a yard, a walkway, or a sidewalk, we fully agree with your choice of smart.
One thing you need to know before you make is that all the concrete is cracked.
You say, "Wait a minute, I checked the concrete and did not see any cracks. Why do you say all concrete is cracked? "
Concrete basically consists of cement, stone, sand and water.
When fresh concrete in the plastic phase is fresh concrete in a flexible form. When the concrete becomes hardened, the cement mortar begins to shrink, and the low intensity value obtained when the young concrete fails to resist the stresses caused by the shrinkage. If you pour fresh concrete on a windy day, the surface may begin to solidify before setting in the bottom, which will cause the concrete to shrink irregularly (cracking shrinkage). Also, if the ground underneath the concrete is uneven, there will be an uneven traction during the shrinkage of the concrete, which also causes stresses to adversely affect the new concrete. So, how do you get concrete without any cracks? By following a number of simple steps before and after pouring fresh concrete, you will get a beautiful concrete structure that requires very little maintenance, and gives you years of satisfaction.
Before pouring concrete
Make sure the foundation (soil below the concrete) is compacted and leveled completely. The best thing to do is to use a garden tiller, tillage to a depth of 6 inches, then rent a hand-operated compactor and compact the soil down.
This will help ensure that no weak spots appear. You can pour a layer of cushion sand if you want. This sand layer will achieve a perfectly flat surface and produce constant friction against the shrinkage of the concrete. 4 inches of clean sand is enough to cover the cushion.
If you use wire mesh for reinforcement, use flat mesh, not rolls. The wire mesh is extremely difficult to hold in the upper half of the concrete, where the wire mesh needs to be positioned to work. You can also use reinforcing bars joined together by steel wires, but the requirements for distance and dimensions vary depending on the load conditions and soil conditions, as it is difficult to recommend. the standard set for that issue. If you use reinforcement bars, it is essential that you keep the reinforcement on the upper half of the concrete. You can use stones, broken bricks or you can buy plastic stretcher pads that the steel will be placed on to keep it in place when you pour concrete.
You can also ask the fresh concrete company to supply the yarn for the poured mixture. These fibers are usually nylon or polypropylene fibers. They help minimize cracks in the concrete at the micro level instead of at the macro level (where you can see the crack with the naked eye). Steel also helps control cracks, but if cracks are present, the steel, when properly placed in the concrete, holds the concrete together, while the fibers do not.
Now that you've prepared your nail, you've put the water-insulating vapor layer on top of the nails of the floor that will support the buildings, your steel perfectly rests on the plastic stools in place. And now there are 14 most needed help available to help you pour fresh concrete.
When the fresh concrete comes in, if you do not have a water vapor barrier, wet the nail bed without stirring the water so that the water in the fresh concrete will not be absorbed by the dry nail, which will cause it to dry out. Both cracks and fractures caused by plastic shrinkage.
As soon as the concrete is finished pouring
Protects concrete from the effects of strong winds and is not directly exposed to sunlight as the concrete dries steadily from top to bottom.
You are ready to take the most important step to prevent significant cracking. Expansion joints are important to prevent cracking! By making the expansion joints at least a quarter of the thickness of the concrete and the joints by 25 to 30 times the thickness of the concrete (usually the easiest to use a fly or construction tools when the concrete is still fresh), you will almost certainly not see the cracks appear in your concrete. If your floor is 4 inches thick, the expansion joints must be at least 1 inch deep and placed at a distance of 100-120 inches per slot. If you can not use the construction tools to put the expansion joints on, you can hire a concrete contractor to create the expansion joints for you. Make sure they cut the slits to a depth of at least 1/4 of the floor thickness. This method of bonding will help the concrete crack at the weakest point. This is why it is important to have sufficient depth of expansion joints. Changes in the elevation of the foundation can cause greater stress in the concrete in areas where the expansion joints do not reach sufficient depth, and the concrete will crack outside the expansion joint. As soon as your expansion joints are in place, and the concrete is maintained for about two weeks, you are ready to seal the expansion joints. [Nbsp] This sealing will prevent water from penetrating. In the nail bed it causes elasticity, or penetration into the expansion joints and freeze therein, causing water to permeate and break concrete around the expansion joints. You now have a concrete structure that meets your requirements well.
Coming to HT86 concrete, you receive not only good quality concrete, but also the service of supplying fresh concrete and commercial concrete.
"The quality of the works and the satisfaction of the customers is the criterion of HT86 concrete company".