The building materials that are used at construction sites are very diverse and there are a lot of them, we want to choose that it suits us. Since there are a lot of them, but you need to choose the best, there are a number of criteria by which certain building materials choose. The first such characteristic that you need to pay attention to is abrasion, that is, a change in building material in volume and mass. So, before the establishment of any material, it must be checked for abrasion, mainly check the floors, steps on the stairs, sidewalks.
The next criterion is the plasticity of this material, which means that construction materials can be deformed under various onsics and loads, without the formation of cracks and breaks.
The strength of the material is when it is not destroyed with certain loads.
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In addition to these properties, there is still firmness and viscosity during strikes, which are also very important. The elasticity of the materials characterizes the material when it takes its former appearance with deformed loads and does not deteriorate.
Fragility characterizes materials that can be destroyed at some load, such materials include glass, stone, concrete, bricks.
