Foundation sediment: variable loads, surface loads.
The occurrence of the base precipitation also occurs due to the difference in the weight of different places of the foundation. This process occurs if the long part of the walls varies by mass. The difference between different sections of the walls is noticeable, for example glazed and deaf. The characteristic features of this process are cracks in the corners of the adjacency to the transverse structures.
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During construction, it is not recommended to lay building materials near the ground structures. Since there is an additional load on the surface. This can cause local compression in the ground at the base of the building, and, accordingly, its sediment.
In addition, cracks can be caused by fluctuations caused by a dynamic effect. For example, work at a number of new construction, frequent traffic of railway and freight road transport. They can cause damage to ground structures and seriously affect the condition of the soil.
Cracks are caused by temperature changes, thanks to which alternating thawing and freezing of soil occurs. For example, when freezing clay, sands and other types of fluffy soils, they increase in volume. This process causes the base if its location is above the freezing point. On the walls it manifests itself in the form of numerous cracks.
To avoid this kind of trouble, soil and hydrological studies are carried out.