Crushed stone is one of the most common materials used in modern construction. There are a lot of options for its use. It all depends on its variety.
The main species
First, crushed stone with fractions size 0-5 millimeters. The material presented, in most cases, is used for decorative purposes. This is a screening obtained during the sorting of gradations. It is used as a backfill of paths on land plots, as well as playgrounds. In addition, the material is often used to create drainage in the process of laying ground tracks.
Secondly, gravel 5-20 millimeters. The most common variety used at almost all stages of construction:
Filling the foundation. Crushed stone is used to create a solution. It is formed in standard proportions where sand, water, cement, as well as gravel are combined.
Substructure of roads. For the purposes presented, often take secondary crushed stone. It is obtained as a result of crushing various asphalt layers. The roadway is sprinkled with asphalt crumb. After that, a rink passes along its surface.
Creation of aerodrome coatings. In order to arrange coatings on the runways, crushed stone is used, characterized by excellent strength indicators. In most cases, gravel or granite material is used. It is worth noting that this variety is intended only for the formation of an additional layer. At the first levels, crushed stone is used, characterized by large sizes.
Thirdly, crushed stone is 20-40 millimeters, which is here here. This variety is a middle fraction. It is often used to pour in the canvases of new tracks, as well as to lay the foundation of large industrial structures, where the load on the base is considered a sufficiently large. It should be noted that this crushed stone is also suitable for pouring tram tracks.
Fourthly, crushed stone 20-70 millimeters. Such a faction is used in construction work with huge volumes of concrete. Often, this happens when the impressive structures, bridges and other designs are arranged.
Fifth, crushed stone is 70 millimeters and more. The material performs exclusively decorative function. It is used for the decoration and design of reservoirs, etc.