The sand that can be seen everywhere in life, did you know that it is also man-made? I believe many people know that sand is an indispensable building material in the construction industry, but in the face of this kind of thing that can be seen everywhere in life, you may not know why it needs to be artificial. Now, I will take you to understand the relevant information about artificial sand, so that you can understand artificial sand.
What is artificial sand?
Artificial sand, as the name suggests, is the sand artificially produced by a special sand making robot. The sand-making raw materials are processed in the sand-making machine, and the sand-making raw materials are collided and squeezed with each other, and after being broken, the sand that meets the standard is produced. Because it is quickly produced by a machine, it is more regular than natural sand, but the surface will be more prominent and not as smooth and smooth as natural sand.
What is natural sand?
Natural sand is formed by natural changes under natural conditions. Rock particles with a particle size of less than 5 mm are called natural sand. The particles of natural sand are not regular, and there will be a lot of fine sand in it, so the overall feeling is more delicate.
What is the difference between artificial sand and natural sand?
- The conditions are different
Artificial sand is artificially produced by machine crushing stones, while natural sand is formed in the natural environment. - Different feel
The particle size of artificial sand is relatively uniform, and the size of artificial sand produced in the same batch has the same regulations, and there is not much difference. However, natural sand is different. It is formed by wind blowing and water rushing. The surface is relatively regular and the size is different. - Different in nature
The raw materials of artificial sand are optional. The sand produced from the same raw material is of the same nature, and even if you need a combination of sands of different properties, you can choose the sand of the nature you need through the combination of raw materials. But natural sand is different, its composition is more complex, it is more difficult to filter out a single nature. - Different size
The same raw material, sand produced in the same batch, and sand produced under the specified specifications are of the same size, and there will not be much difference, and any specifications can be produced. For natural sand, it is a great advantage, because it is cumbersome and difficult to select specific specifications for natural sand.
What are the classifications of artificial sand?
General construction sand can be divided into three types according to technical requirements: one is used for concrete with strength grade greater than C60; one is used for concrete with strength grade C30-C60, frost resistance, impermeability or other requirements; There is one for concrete and building mortar with strength class less than C30.
How is artificial sand produced?
The production of artificial sand is produced by a variety of machines, not by a single machine, but by a complete production line.
The production process under normal circumstances is to first have feeding, raw material transportation, machine crushing, sand making machine work, screening specifications, and finally sand washing. If there are some special requirements, one or more of the above methods can be changed.
What are the raw materials of artificial sand?
The raw materials are mainly as follows:
Sandstone
It is a sedimentary rock composed of quartz and feldspar, which has the advantages of sound absorption, moisture resistance, insoluble and weathering.
Cobblestone
The surface of pebbles is smooth, mostly round or oval, formed by natural evolution, hard texture, wear-resistant, chemically stable, and widely distributed.
Basalt
It is a rock formed by volcanic eruptions, with strong compressive capacity, high wear resistance and low water absorption, and is widely used in building materials.
Reproduction of construction waste and slag
Concrete blocks, crushed stones and some slag in construction waste can be reprocessed to form aggregates of artificial sand. Although it is different from other materials in quality, it can also be used in some industries such as highway construction, and it is also a representative of secondary utilization, environmental protection and scientific production.
How to choose the raw material of artificial sand?
The selection of raw materials should be adapted to local conditions, and at the same time to meet market requirements, it should also meet economic maximization. Therefore, selecting local raw materials for processing can save transportation costs, so that more benefits can be obtained. At the same time, construction waste and slag are also relatively easy to obtain and relatively cheap materials, which are also the choice of many people.
Through these, have you learned a lot about artificial sand? If you still have questions, please leave a comment, we will answer your questions one by one and look forward to your comments.