Concrete surface finish
Usually, the concrete surface is paid immediately after concreting and compaction.
The polishing method has an important effect on the compressive strength, permeability and abrasion resistance of the surface layer of concrete.
Concrete surface finishing steps
1 bar or leveling:
It is used to remove excess concrete and level the concrete surface at the desired height or level.
???? This operation should be done immediately after concreting and compaction.
The bar on the concrete surface should be moved like a saw and in each movement, it should be moved a short distance to the front.
2) trowel board with long and short manual trowel board:
Removing the remaining edges from the sandblasting process and filling the pores
???? The action of the trowel board should be done immediately after the casting, and it should be finished before water is seen on the surface of the concrete.
3 trowel:
Immersing coarse aggregates into concrete and removing unevenness and remaining matte pores and creating a completely smooth surface.
???? For troweling bubbled concrete (due to the use of bubble-forming additive
) It is necessary to use a metal trowel because the wooden trowel sticks to the concrete surface and causes surface damage.
4 Final payment:
After troweling, the concrete surface can be completely smoothed with the final polishing tool. The final payment step can be done immediately after troweling by hand or machine.
???? Whenever the water from the water source is observed on the surface of the concrete, the polishing operation should be stopped so that the water evaporates from the surface of the concrete.
???? If the wear resistance of concrete is relatively high, it is necessary
Finishing should be done at least once, and with the increase in the number of final finishing, wear resistance increases.
But if the sliding resistance is more important, the final polishing step should be removed.
Superior concrete resin,
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