Whether it is new construction or renovations, road surfaces are used as a base, binding, or running course. Thus, they adapt perfectly to the environment, and more importantly, they are resistant to bad weather, fatigue, and cracking. They differ from other floor coverings thanks to their constituent materials and packaging, which can be hot or cold depending on the type of coating used. A sandblasting company needs to focus on the material for the construction of the road.
A pause is needed before the road's recirculation so that the new coating's effectiveness is optimal. The main objective of this expectation is to ensure a long life on the road, regardless of the templates vehicle that could circulate there. It is possible to list three main categories of road surfaces: bituminous concrete, cement concrete, asphalt grinding, and pavements formed from separate construction elements.
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ASPHALT
Asphalt and concrete is a mixture of chippings, sand, fillers, and petroleum derivative. The road surface can be laid hot or cold by the sandblasting company. There are many types of asphalt:
• The waterproof asphalt concrete is the most commonly used because it has very few voids and rarely combines. Thus, in rainy weather, the risks of aquaplaning are almost zero.
• Asphalt draining concrete which, for its part, has quite a few hollows, but these are interconnected.
• The SMA (Stone Mastic Asphalt) looks like a compromise between the waterproof concrete and the draining concrete. Indeed, it has the same open surface structure as the waterproof asphalt concrete but is devoid of hollows.
CEMENT CONCRETE
Cement concrete is a road surface used as a binder. Cement concrete contains more sand than asphalt, so the surface looks smoother. In the past, concrete roads were built using a succession of plates, and an expansion joint was made between each plate to absorb their thermal expansion. The sandblasting company uses shorter concrete slabs separated by thinner expansion joints. They sometimes also use reinforcement, which then makes expansion joints plain, as with continuously reinforced concrete. It eliminates the need to work with separate and relatively short concrete slabs, which over time and wear risk sagging and breaking.
The disadvantage of this type of floor covering is that too smooth a surface is detrimental to safety. In rainy weather, the water between the tire and the road surface is more difficult to evacuate. Changes in the methods of manufacturing by the
sandblasting company for road surfaces have made it possible to correct this defect, but they generate more noise when passing vehicles.
PAVERS
In principle, artificial pavers are made of concrete or clay. Concrete pavers can take a square, rectangular, or even hexagonal shapes. Some have a more complex shape, but they are still designed to fit together. It is this feature that reinforces the stability of the coating. Natural stone pavers are generally composed of pieces of granite cut into cubes or have an elongated shape. While they were once widely used for their resistance, their current use is motivated by historical-cultural or aesthetic reasons.
The main advantage of using pavers is their ease of disassembly and reassembly without leaving any traces. In addition, unlike continuous road surfaces, they do not require exposure time. Thus, the road can be opened to traffic as soon as the sandblasting company finishes the work.
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