Soil type is important in foundation stability in Adelaide because it provides information concerning soil fertility, drainage, water-holding capacity, and erosion potential. Professional underpinning contractors know that these details are essential in making informed land use and management decisions.

In this post, we will discuss soil classifications and how they relate to foundation stability.

What is the Soil Classification System in Australia?

The Soil Classification System in Australia is a way of grouping soils into different classes for easier identification. The four main types are organic soils, sands, loams, and clays.

There is also the Soil Class Foundation, which refers to the seven different soil classes in the country. The most common soil types in Adelaide are the following:

Is a Soil Test Necessary for Underpinning?

Yes, a soil test is necessary for underpinning. These are the following reasons why it is needed:

Foundation Stability

The stability of a building’s foundation is heavily influenced by the physical properties and type of soil, including its moisture content and compaction. When the soil is not appropriate, it may be necessary to take additional measures.

Soil Settlement

Certain types of soil, notably clay, tend to expand and contract. This leads to settling or shifting over time, which can cause structural damage to the building. Soil testing can identify potential soil settlement issues, allowing the foundation to be constructed appropriately.

Groundwater Levels

The stability of a building can be impacted by groundwater levels, which can also determine the suitability of the site for septic systems or underground utilities. Soil testing can determine the level of groundwater in the area and assess its impact on the building.

Soil Contamination

Contamination of soil by pollutants such as heavy metals, chemicals, or petroleum products poses a risk to both human health and the environment. Soil testing can identify the presence of such contaminants and the extent of the contamination, allowing for appropriate remediation measures to be taken before construction.Would you like to know what to consider when underpinning a business property? Check out our post about it for more details.

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