Varieties of foundations.
A good foundation is the key to a strong, reliable, durable house. However, the foundation is divided into types, and each species serves for a certain type of buildings.
That is, the type of foundation is determined by the parameters of the building: number of storeys, area, load. The main types of foundation: columnar, strip, slab.
Columnar foundation the simplest. It is a pillars (as can be seen from the name) installed in those places where the load is supposed to be particularly strong. Usually between the pillars a distance of about two meters. Pillars can be made of different building material – concrete, stone, brick. This is the most inexpensive of the foundations. This type of foundation is laid under small, light houses (wooden, frame). The number of storeys of the house basically does not exceed two levels.
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The strip foundation is suitable for heavy houses made of stone, brick, concrete. He also withstands massive wood houses. The strip foundation varies in shape and material. It can be made of reinforced concrete blocks, brick, stone, bute. In shape can be rectangular, trapezoidal, stepped. As can be seen from the name, the strip foundation is a kind of tape passing under the walls of the building.
The last type of foundation is slab. The main component of this type of foundation is a huge plate located under the whole extension. Perhaps this is the most expensive type of foundation. Use a slab foundation on bad sagging soils. For this, the slab foundation received another name – floating. The plate is made of reinforced concrete, while it is still reinforced with reinforcement. By the way, often this same plate, except for its fundamental purpose, performs another function – in some buildings it is a floor of the first floor.