foundations in stone are the oldest system used to create the basis for the structure of a building, and is particularly suitable for elevations in wood or clay.
The stone distributes the loads of the structure constitutes a barrier to capillary rise of moisture from the soil.
It is preferable to use local stone, but some types of stones can emit radioactive gases (tuff, pozzolana) or radon (granite) and should be used to detect a sample of material before using it.
Foundations can be realized in two ways:
- with masonry stones placed directly in the excavation
- Men with a lot of stone mixed with mortar
The large amount of waste stone processing can be partially reused for tiles and grit, as we shall see in the chapters on coatings.
The stone is the natural link between the building and the land, distributing the loads on it, avoid injury to the external walls due to possible adjustments, contrasts effectively with the capillary and acts as a plinth for the pillars in wood.
The installation is to run from the excavation plan of excavation to accommodate the stone masonry, it fills the excavation until the excavation floor and walls of the building are based directly on it.
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