Geostrobat study
Geostrobat study: Determine the type of foundation according to the nature of the soil.
The foundation is the element that will transmit and distribute the weight of the construction in the ground. A building needs to have a solid foundation for it to be stable and secure. However, the type of foundation will not be the same depending on the soil on which the construction is planned: the foundations must be adapted to the nature of the soil.
Shallow foundations
Shallow foundations are the most commonly used for dwellings. We always try to build on the most stable ground possible without having to start large-scale works. The shallow foundation has the advantage of being less expensive since it requires less extensive work. The construction will rest on a foundation which will be directly on the ground or very slightly in the ground. A superficial foundation does not exceed three meters in depth.
Such a type of foundation can be built only if the weight it will have to support is not very high. Otherwise, it will be necessary to consider a more solid foundation which will be more anchored in the ground.
Semi-deep foundations
Semi-deep foundations are used in cases where the shallow foundation is not enough and the deep foundation is not necessary. A ground can present various forms of instability: there can be mud, silt, landslides which prevent the construction of a house which would rest on a superficial type foundation .
In this situation, you have to look deeper for a resistant ground on which you can lay a foundation that will support the weight of the house.
The semi-deep foundation generally consists of the construction of wells in which concrete will be poured. Thus, the dwelling will be stable and the foundation will be able to transmit the weight of the dwelling into the ground.
Beyond six meters deep, we move on to another type of construction which is the deep foundation .
The deep foundations
Deep foundations are used when the two previous solutions are not possible due to the instability of the ground. You will have to dig deeper to find a strong soil capable of supporting a significant weight.
The most common method used in the case of a deep foundation is that of driving or drilling piles to a certain depth in the ground. The depth varies depending on the nature of the terrain and the load that the foundation will have to transmit and distribute .
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