Know the types of work foundation and their importance for construction

The property purchase is a step full of expectation, so throughout the construction, we have the desire to follow all stages of its realization.

Today you will know all the details about the foundation phase of the construction, which when not done correctly, is responsible for causing cracks and cracks, that is, the results of this phase will be able to directly interfere with your experience on site.

But, after all, what are the main types of foundation and why is this step so important for delivering a quality enterprise? This is what we explain below. Keep following the post!

What are the main stages of a work?

In addition to the foundation itself, it is important to know all the stages through which construction takes place. Being them:

  1. project;
  2. foundation;
  3. structure and masonry;
  4. finishing;
  5. survey;
  6. documentation;
  7. General Assembly of Installation of the Condominium (AGI).

What is foundation anyway?

The foundation is a step that consists of the engineering infrastructure. Thus, it is the structural part located under the ground.

It is for this reason that the foundation system will depend not only on the property category (commercial, industrial, residential, etc.), but, above all, on the characteristics of the soil on which the building will be designed. This is what will guarantee the security of the project.

What is it for?

Basically, the foundation serves to support the building on the ground. The components of the work foundation are responsible for receiving the construction loads (such as the weight of the property and the weather conditions that affect it) and distribute them to the ground in a safe way.

What are the main types of foundation?

See below the two most common civil works foundations in Brazil.

Shallow or direct foundations

Occurs when large excavation volumes are not required, being generally less than 3m. In this case, it is mandatory that the base of the foundation components be anchored in superficial soil layers that have a favorable strength. The most common categories of buildings built on shallow foundations are those whose loads are lighter, such as one-story homes. In the case where there is solid ground, heavier buildings can also be carried out.

It is the type of foundation with the lowest cost of execution, as there will be less need for material and machinery. Some examples are:

  • insulated footing: when the weight of the construction is transmitted to the columns which, in turn, distributes it to the footings;
  • radiar: when the building is on top of a reinforced concrete slab.

Deep foundations

As the name implies, this type of foundation is characterized by causing large soil excavations, requiring specific machinery and suitable materials.

Unlike the first, the foundation base elements must be distributed in deep layers. In soft soils (composed of clayey sediments, that is, soft clays or soft clayey sands of recent deposition – present with intensity in Brazil and other countries with extensive coastlines), it is mandatory that the foundation be deep, regardless of the property category – even if it’s a home of small proportions.

Some examples are:

  • nailed pile: these are elements that can be made of wood, metal or concrete, driven or drilled deep into the ground;
  • Continuous helix: is a type of pile that can drill into groundwater.

As seen, the foundation of the work is, without a doubt, one of the most important steps during the process of building a property. Therefore, it must be conducted with extreme seriousness and by professionals with training to do so.