Soil Testing Before Construction of a House – Importance and Types

Feb 07, 2022 by Naukhez Arshad Qadir

Soil testing before construction of a house is among the most crucial pre-construction steps of the building. The ground on which you are constructing your home should be suitable to build; otherwise, you can face severe financial damages in the future. 

Soil testing is mainly done for the bearing capacity, and during the process, the chemical and physical composition of the soil is checked. Undertaking construction is a daunting task, and it needs proper planning and execution with no flaws or errors.

The pre-construction phase of a house or any building is the most important stage of project construction. It is the planning and preparation time for the project, and it is important to check soil quality before building your dream house.


Importance of Soil Testing:

 
  • Soil Testing is essential to be done before constructing a house to test the bearing capacity of the land.
  • The test determines that land can withstand the building weight.
  • It determines the capability for structure stabilization.
  • Soil quality is dependent on several factors like weather, climate change over the years, and how the land was used in past years.
  • The depth and length of the pillar are determined during the foundation of a house, and it is dependent upon the soil quality.
  • The quality of soil also elaborates the quality of materials which should be used in the construction of the house. For instance, the moisture element in the area means you have to choose corrosion-resistant TMT Bars.
  • Lastly, soil testing before construction of a house is considered necessary as if it is not done; the building will be exposed to dangers that can end fatally. Therefore soil testing report is considered for construction and repair.

Let’s know about the soil testing report for construction:


Soil Testing Report technical aspects:


Some of the technical aspects which are associated with soil testing reports help engineers and builders to plan the construction accordingly are:

The soil testing of land allows checking the sustainability of the soil. It is a detailed assessment of the area, and you can know whether the land is suitable to construct the planned building or not.

The soil testing before construction is done by drilling in different locations. It helps to identify the composition of land on your project site for better structure.

The sample of the soil is tested in the designated special-purpose laboratory. In these laboratories, it is tested for strength, density, compaction, and containments. All these tests help figure out how the building will hold up during the construction process.

The safety and technical data are compiled in comprehensive report form. The calculations are carried out to construct the project on the best safety and sustainability terms. Hence, the outputs will be best for the durability of the building.  


Types of soil testing for construction of a house:


The soil of every land differs from each other and based on the properties and conditions of soil, geotechnical investigations are carried out. Due to the different properties, the test is carried out from different perspectives. Here are five common types of soil testing for construction of a house.


Moisture Test:


Soil testing includes the assessment of land’s behavior under different conditions like stress, temperature, loading, and moisture. The moisture test effectively monitors the sturdiness and performance of soil when it is in contact with water.

In soil moisture testing, the sample is collected and weighed before it dries off. After that, it is put in the oven and dried at a specific temperature. After twenty-four hours, the soil is taken out from the oven and weighed again. The difference between the two is noted down, and the level of water and moist is determined with the difference in weight.


Gravity Test:


Soil gravity is the ratio of the unit weight of the solid soil. It is used to determine the value of soil’s gravity dependent on its grain size. The soil mass is generally calculated based on the soil’s grain size ratio and blank space between grains. Several methods are used for gravity tests, and the most common methods that provide the most accurate results are Density Bottle Method and Pycnometer Method.


Dry Density Test:


The dry Density test is the most common type of soil testing. The test is conducted to help the builders and engineers to determine the density and weight of a certain amount of soil collected in dry form. The test is performed at 2 Levels.
 
  • Core Cutter Method
  • Sand Replacement Method                    


Proctor’s compaction Test:


The test is carried out in laboratories for special-purpose testing. Compaction in the soil is one of the essential elements. The Proctors’ compaction test is done to find out the compaction features of the soil. The compaction of soil is estimated as the dry thickness of soil. The test helps to know how well the land can withstand excessive forces and pressure.


Atterberg Limits Test:


It is a highly technical type of soil testing carried out on one soil gain as a sample. The test is done for an essential feature of soil. The test determines if there is any water component present in it. The test is performed at three levels for limit evaluation, i.e.,
 
  • Shrinkage Limit
  • Liquid Limit &
  • Plastic Limit


That’s a Wrap!


These testing are done on soil for construction and help the developers and engineers conduct geotechnical investigations. Once the soil is tested and examined, the owner is given a green signal to host construction activities.

Bahria Town Rawalpindi has very strict policies for the reports, and construction without soil testing reports is not allowed.

Many laboratories provide reliable testing services exclusively in Bahria Town, for instance, Central Testing Laboratory (Civil) Bahria Town Rawalpindi and Geo-Tech consultancy Services Rawalpindi.  

With this, we end this blog! We hope that this information will be your guide for soil testing before construction of a house.

Stay tuned to Reall.Pk blog page for latest news and information on real estate.
 

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