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The foundation is the element that will transmit and distribute in the ground the weight of the building. It is necessary for a building to have solid foundations so that it is stable and secure. The type of foundation will not be the same depending on the floor on which the construction is planned: the foundations must be adapted to the nature of the soil.

The superficial foundations

Superficial foundations are the most used for homes. We always try to build on the ground the most stable possible without having to start large-scale work. The superficial foundation has the advantage of being less expensive since it requires less important work. The construction will rest on a foundation that will be directly on the ground or very slightly in the ground. A superficial foundation does not go beyond three meters deep.
Such a type of foundation can only be built if the weight it will have to bear is not very high. Otherwise, it will be necessary to consider a stronger foundation which will be more anchored in the ground.

The semi-deep foundations

The semi-deep foundations are used in cases where the superficial foundation is not sufficient and the deep foundation is not necessary. A soil may have various forms of instability: there may be mud, from the vaselandslides that prevent the construction of a house that would rest on a superficial foundation.
In this situation, you have to search deeper for a resistant soil on which you can ask a foundation that will support the weight of the house.
The semi-deep foundation usually consists of the construction of wells in which concrete will be poured. Thus, the house will be stable and the foundation will be able to transmit the weight of the house in the ground.
Beyond six meters deep, we move on to another type of construction which is the deep foundation.

Deep foundations

Deep foundations are used when the two previous solutions are not conceivable because of soil instability. It will be necessary to dig deeper to find a resistant soil capable of supporting a significant weight.
The most common method used for deep foundations is to drill or drill piles at a certain depth in the soil. The depth varies depending on the nature of the terrain and the load that the foundation will have to transmit and distribute.

Determine the type of foundation according to the nature of the soil

FAQ - 💬

❓ What determines the type of foundation?

👉 The topography, geology, and pedology (the study of soil) on your construction site in addition to the size of your building and other factors, like the type of construction, will determine the type of foundation that is appropriate for your building.

❓ What are the 7 types of foundation?

👉 7 different types of foundations and how to pick the best one for...

  • 1) Liquid foundation. ...
  • 2) Serum foundation. ...
  • 3) Tinted oil foundation. ...
  • 4) Cream foundation. ...
  • 5) Whipped mousse foundation. ...
  • 6) Stick foundation. ...
  • 7) Powder foundation. ...
  • Also read:

❓ Which type of soil is suitable for any type of foundation?

👉 Loam. Loam is the best soil type for construction due to its ideal combination of silt, sand, and clay. It combines the best of all their qualities into the ideal balance for supporting a foundation. Loam generally does not shift, expand, or shrink drastically and handles the presence of water very well.

❓ What are the 6 types of foundation?

👉 Following are different types of foundations used in construction:

  • Shallow foundation. Individual footing or isolated footing. Combined footing. Strip foundation. Raft or mat foundation.
  • Deep Foundation. Pile foundation. Drilled Shafts or caissons.

❓ What are the 4 types of foundation?

👉 There are five main foundation types and a handful of important variations.

  • Basement Foundation. ...
  • Crawlspace Stem Walls. ...
  • Concrete Slab Foundations. ...
  • Wood Foundations. ...
  • Pier and Beam Foundations.

❓ What are the 3 types of foundations?

👉 Foundation types vary, but likely your house or home's addition does or will have one of these three foundations: full or daylight basement, crawlspace, or concrete slab-on-grade.

❓ What are the 5 types of foundation?

👉 There are five main foundation types and a handful of important variations.

  • Basement Foundation. ...
  • Crawlspace Stem Walls. ...
  • Concrete Slab Foundations. ...
  • Wood Foundations. ...
  • Pier and Beam Foundations.

❓ What are the 4 types of foundations?

👉 The four basic types of foundations— full basement, submerged crawl space, flush crawl space, and slab-on-grade—are shown in Figure 1-4. Of course, actual houses may include combinations of these types.

❓ Which type of foundation is suitable for clay soil?

👉 So what is the best type of foundation for clay? The answer is a pier and beam foundation. This consists of thick wooden beams that are installed deep into the ground called piers. Beams are then laid across the piers to hold up the structure above the soil.

❓ What type of foundation is suitable for silt soil?

👉 Loam is the best soil type for construction of foundation of footing due to its ideal combination of silt, sand, and clay.

❓ What is natural foundation?

👉 A foundation which requires no special preparation of the soil below to support the structure.


Video Instruction: Expansive Soil's Effects on Your Foundation | RMG Engineers - Geotechnical Engineering in Denver, Co