All about rubble fractions

This article describes in detail everything you need to know about rubble fractions, including 5-20 and 40-70 mm. Characterized which other factions. The weight of rubble grave and another fraction in 1 m3 is described, crushed stone large size, and also considered the nuances of choosing this material.

What it is?

Under the fractional crusche, it is customary to understand the material that is produced due to the fragmentation of durable rocks. Such a product is used in various fields of human activity. As for the faction, this is just the most typical gluing mineral grain. It is traditionally measured in millimeters. Bulk materials are distinguished by a rather high fortress and resistance to negative air temperature.

The magnitude of the fraction affects primarily on the scope of rubble. From its proper choice determines the life of the construction.

And the fractional composition of the material affects the strength of the products. In the assortment of any supplier there is a crushed stone of a variety of dimensions. When choosing, it is recommended to consult with experts.

What are the fractions of different rubble?

Various types of rubble have different indicators of dimensions of rock fragments. It also depends on their use.


The smallest variety of crushed stone obtained from granite is a product of 0-5 mm. It is often used to:

  • spoil the platforms prepared for construction;

  • make a solution;

  • Paving paving tiles and similar materials.

Especially nobody crushed the size of this size, oddly enough, does not produce. It is just a by-product of main production. In the process of industrial sorting, special machines are used – the so-called crashes. The main obtained material enters the conveyor, but the screening passes through the cells and forms heaps of various sizes.

Although compared to other species it looks not too impressive, it does not particularly affect the strength.

The fraction from 0 to 10 mm is the so-called crushed stone-sand mix. In favor of it, excellent drainage characteristics and comfortable cost. Completely good parameters have a crushed stone of a larger fraction – from 5 to 10 mm. Its price suits the vast majority of people. Such material can be in demand not only to obtain concrete mixtures, but also with the arrangement of production complexes, in the formation of massive parts of structures.

Granite crushed stone size 5-20 mm is the best solution for the construction of foundations. In fact, it turns out to be a combination of a pair of various fractions. The material is mechanically durable and perfectly resists cold weather. Rubbed 5-20 mm allows you to pour the bridge cloth. Her strength also guarantees excellent qualities for forming airfield coatings.

Crushed stone from 20 to 40 mm in demand for:

  • castings of foundations for multi-storey buildings;

  • Asphalting platforms for parking machines;

  • formation of tram highways;

  • decorating artificial water bodies (ponds);

  • Landscape design of the house territories.

When dimming from 4 to 7 cm, you can not doubt that the strength of the stones will be quite acceptable. Such products are suitable when a large amount of concrete mix is ​​required. Suppliers focus on the applicability of such a crushed stone in road construction and in the formation of large structures.

Consumers also often choose a similar stone. Experience is quite positive.

Products from 7 to 12 cm – this is not just large blocks, these are fragments of stone, always distinguished by the wrong geometric shape. Manufacturers indicate increased resistance to moisturizing and strong overcooling. Especially large crushed stone must necessarily comply with the norms of the GOST. It can be used in the creation of hydrotechnical buildings – dam, dam. Serious stone is used to form a boot concrete foundation.

Boob blocks very strong. They are able to transfer even a load from a two-story stone or brick house. They buy them to face the road and finish the grounds. Also use for fences cladding. In some cases, a large granite crushed stone turns out to be an excellent decorative solution.


Such a type of rubbish is not completely excreted to the “strip” given by granite. The main way to get it – sifting the breed extracted from quarries. It is worth noting that gravel is noticeably more accessible than granite weight. Relatively small costs allow you to acquire a large mass of nonmetallic materials to cast the foundation structures or make a bribe. Gravel rubbing fractions from 3 to 10 mm are considered a small stone with an average bulk density of 1480 kg per 1 m3.

Mechanical Fortress and Hodged Resistance are highly appreciated by builders and landscape specialists. Touch such a stone nice. It is often used for sucking pleasant to the touch of garden tracks. Such a property appreciate and when creating private beaches. To fall asleep the territory can be filled almost anywhere in any place.

Gravel crushed stone from 5 to 20 mm in demand in the construction sphere. In favor of such a product, it is evidenced by relatively small brees. It is approximately 7%. An indicator of bulk density according to the product of this brand is 1370 kg per 1 m3.

Basic applications – obtaining reinforced concrete products and the formation of concrete solution directly on construction sites.

Crushed stone made of gravel from 20 to 40 mm Weighs 1390 kg per 1 m3. Beshechy level is strictly 7%. The area of ​​use is very wide. Even the formation of the “Pillow” of the general use of general use roads is allowed. Pour the foundation or prepare a substrate under the railway tracks will not be much difficult.

The gravel mass of the fractional composition from 4 to 7 cm guarantees the maximum fortress and reliability of any foundations. You can no doubt to prepare overlaps from concrete, form a mound and create drainage systems. Weight in 1 m3, as in the previous case, is 1370 kg. Tamble stone does not cause any problems. And this is a good solution for the overwhelming majority of cases.


Such crushedbon is produced due to the fragmentation of calcite (or rather, the rocks based on which it includes). Special strength such products do not reach. But the limestone perfectly resists temperature fluctuations and is completely safe in environmental terms. So, it is much less likely than granite, is a source of increased radioactivity. Like other stones, the limestone mass is carefully sorted at the main enterprises.

Large calcite crushed stone in demand in road construction. Smaller fragments most often acquire to obtain plates and other products from reinforced concrete. Limestone product willingly buy also for landscaping. Such products are used even in the most elite cottages.

Any experienced designer and even an ordinary master builder can offer a lot of interesting ideas.

The number of cubes in a ton of granite material has long been calculated:

  • for fraction 5-20 mm – 0.68;

  • from 20 to 40 mm – 0.7194;

  • 40-70 mm – 0,694.

In the case of limestone rubble, these indicators will be:

  • 0,76923;

  • 0,72992;

  • 0,70921 m3.

The crushed stone of 70-120 mm is very rare. Similar material extreme roads. More rarely there are products with a dimension of 70-150 mm. Often, manufacturers include such goods in the category of boob stone. With their help:

  • Build massive foundations;

  • Prepare retaining walls;

  • Construct capital walls and fences;

  • form decorative compositions.

In some cases, the limestone crushed stone of the fraction 80-120 mm is used. Like other types of this material, it meets all the requirements of GOST 8267-93.

Main areas of use – Increasing the fortress of the coastline and filling of gabions. Occasionally such a material is taken to use it in some chemical reactions.

In large numbers, rubble is shipped by bulk or container means; Small buses of this product often supply in bags of 30 kg, 60 kg.

Important Character Description:

  • Scrupulously prescribed the parameters of the shipped products;

  • The suitability for relatively small buildings or repair work (excess material is not formed, or it is extremely small);

  • Due to the precisely measured mass and the volume of transportation will be more ordered;

  • inside the dense packaging, the crushed stone can be transported on any type of transport, stored almost at any warehouse;

  • Special marking significantly facilitates the search for the necessary products;

  • relatively high cost (which, however, is fully justified by other characteristics).

How to determine?

For sale crushed stone supplies a quarry. Sorting it is performed by sieving through special sieves. A large enterprise can invite to buy technologists or engineers. Analysis in the laboratory is performed using the SIT kit. The value of the sample is the more significant than the larger the stated linear parameters of the samples.

So, for the study of the crushed stone 0-5 and 5-10 mm it is useful to take a sample of 5 kg. All that is larger than 40 mm, is tested in the selection of 40 kg. Next, drying material to a constant level of humidity.

Then use standardized jounted Sieve set. To measure grain rubble more than 7 cm, use wire gauge rings.

Child Nuances

Choice of rubble of various fractions has a number of features. Granite or any other crushed stone can be used in a wide variety of cases depending first of all from dimensions.


A large house is built by adding granite from 5 to 20 mm in concrete. But for smaller structures you can do the gravel mass. It will still be pretty strong and takes ordinary casual loads. What is important, limestone crushed stone should be considered only last because it is the least strong.

Material such a faction, really universal. It can be safely selected for pillow tiles for pillow. Even use for the decoration of pools. Recommended decoration of flower and slides. Two more opportunities: arrangement of sports grounds and visual separation of various zones.


Grungy crushed stone of such a dimensions very well adhesion with other materials in a concrete mix. And also if you pour this mass concrete, you will get a very durable mass that will not have inside weak zones and voids.

Wear resistance higher than in other dimensional positions.

It is possible to provide 300 cycles of freezing and the subsequent warming up to positive temperatures. Beshech can vary from 5 to 23%.


It is almost universal building material. It is useful for the construction of a wide range of buildings. Often rubble 40-70 mm choose for the foundation of the house. The same material is used for the decorative and practical arrangement of household territories. Finally, they can also take it for the road, for example, for the eddiest rail or driveway to the country, to the country area.


This material has highly specialized applications. It may well be taken to prepare for the construction of automotive and even railway tracks, so strong and stable. The costs of building such serious objects are noticeably reduced in comparison with the use of universal mass categories, which are better to leave for household construction or for garden tracks in the country. If 70-150 mm chopped is chosen to build buildings, then it is solely about industrial and service objects. Only in some cases can buy it for the construction of apartment buildings and foundations under them (if it is directly provided by the project).

For drainage uses a stone with dimensions of at least 2 cm. The 0-5 mm fraction will be instantly washed out with water. The product of category 5-20 mm is more stable, but it is very expensive, and mainly used in other areas of construction, because the drainage systems based on it is impractical. Most often apply rubbank size 2-4 cm. For the scene of houses and other buildings, crushed stone of the combined composition is usually used (a fraction of 20-40 mm, mixed with other options) – it perfectly copes with the main circle of tasks.

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