Why is soil testing important before construction?

Construction is a serious business, and before beginning the construction on a site, it is suggested to test the soil from the site. This is one of the primary things to be done after buying a plot or before constructing a building. But a lot of people are still not aware of why soil testing is important before construction. Well, we will discuss here why it is essential to test the soil before construction and what are different types of soil testing. So, let’s get started.

Why test soil before construction?

Testing soil before beginning any type of construction on it is a must so that it can be assessed that whether the plot is suitable for any kind of construction, to avoid any kind of dreadful happening in the future, for which the soil can be responsible. Actually, before beginning the construction, it is very important to know about the engineering and physical properties of the soil, so that we can decide which type of foundation we need to lay for the building. Variables like mineral presence, moisture content, density, permeability, and bearing capacity of the soil are assessed to have an idea of the working considerations for earthworks and foundations. 

Role of soil testing 

Foundation is one of the essential stages in the construction of a building. A small mistake in laying the foundation can result in the collapse of the whole building. It is the foundation of the building which protects it from the sudden emerging forces in the soil/subsoil. It ensures that the load-bearing function is being performed smoothly. The soil should have all the chemical and physical qualities which are necessary to bear the weight of the building. The depth and length of the pillars, which are to be laid in the foundation are also determined based on soil test results. 

It is also important to check the water content in the soil of the plot where you are planning your construction. This is because the level of humidity within the foundation is settled based on this information. The information about the soil movements & the behaviour of soil in the absence and presence of water is essential to know about. For example, if the soil is sandy, then the chances are that it will have more movement than the clay soil. Some factors affect the soil quality very much, such as the presence of weeds, removal of the vegetation, or the old trees. 

Kinds of Soil Tests

There are various kinds of soil tests that are conducted to test different variables of the given sample. For example, a moisture content sample is conducted to measure the water or moisture content of the soil, and dry density test helps in categorizing the soil based on density where soil density testing equipment is used. A specific gravity test is another test, which measures the degree of saturation in the soil. Apart from these tests, the compaction test is also a type aimed at determining the compaction characteristics of soil reducing air voids. Thus, there are various soil tests aimed at measuring the different characteristics of the soil. 

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