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Black Soil


Soil studies allow us to know the physical, chemical and mechanical characteristics of the land where it is planned to build.


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Due to the need to value a site when Investments are made in facilities and Expansion of sites for productive activities or for residential use, and as Internal Control, to value the different process areas that use products that can impact the soil due to specific contaminants. It is desired to know that they do not affect the surrounding environment and therefore the security of the investment and will inhabit the beginning of any productive activity that puts the health of the personnel who work, work or inhabit the site at risk. For this reason, the sampling and analysis of the site's soil, especially if there is a history that indicates a potential danger of contamination, supported by the advice of experts in the field who support and interpret the results of the same, will give you peace of mind and certainty. that people, assets and investments are free of risk.

1. Field work

In this first phase, the professional inspects the place and takes soil samples, which will later be analyzed in the laboratory. Various techniques are used at this stage, such as:


Pit: to make excavations of a small or medium depth in chosen points of the terrain. The idea is to have a direct vision of the terrain that is generally not seen, for its characterization and analysis.


Penetrometer: consists of penetrating the soil with the introduction of a tool into the ground, which generally has a conical shape.


Probes: with this technique, the ground is drilled with a cylindrical probe that extracts the soil trapped inside the cylinder. As the samples are taken out, they are placed in boxes in order of depth, with the aim of determining the type of soil at different depths.

2.- Laboratory work

Once the professional has the samples, they are taken to the laboratory to carry out the corresponding tests. These can be chemical, to detect chemical components of the soil (such as sulfates and chlorine and the degree of acidity) since these will condition the characteristics of the concrete to be used in the foundations.

The resistance capacity and rigidity of the soil material is also measured. These are the simple compression test, the direct shear test and others that will indicate the mechanical properties of the soil.

3. Drafting of the final report

Once the first two stages have been completed, a final technical document is prepared and presented to the construction manager. There, the observations of the soil study will be detailed, the characteristics that have been found and whether or not it is suitable for construction.

Through the study of soils you can know the physical and geological characteristics, you can see the lithological sequence, the different layers and their thickness, the depth of the groundwater level and even the resistance capacity of a soil or a rock. With these factors, a safe construction can be ensured and, therefore, a safe city.

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