Stabilization of clayey soil using Gypsum


  • Mankala Sumanth Kumar Middle East College
  • Gunde Sharath Middle East College
  • Batchu Ramanjaneyulu Middle East College
  • Dr. Ram Kishore Manchiryal Middle East College



Clayey Soil, Soil Stabilization, Maximum Dry Density (MDD), Optimum Moisture Content (OMC), Liquid Limit, Plastic Limit, Gypsum.


The poor soil properties result in foundation failures of the structure which further causes in cracks of structural elements and walls. To avoid this, it is essential to enhance the soil properties. Soil stabilization is one of the processes to improve the engineering properties of the soil and thus making it more stable. It is required when the soil available for construction is not appropriate for the intended purpose.

In this research, for stabilizing clayey soil and to achieve higher strength in minimum time period, gypsum (CaSO4.2H2O) is used as one of the soil stabilizing agents. Experiments were planned to evaluate the properties of clayey soil on the addition of different percentages of Gypsum i.e., 2%, 4%, 6% and 8% to the existing soil. Tests conducted on clayey soil mixed with Gypsum included are, Atterberg’s Limits, Specific Gravity and Standard Proctor Test. A comparison between the properties of clayey soil, clayey soil mixed with Gypsum is done to understand the effect of Gypsum addition on soil properties. It was observed that the soil properties were enhanced for 6% of Gypsum addition to the soil.


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How to Cite

Reethu, B., Kumar, M. S., Sharath, G., Ramanjaneyulu, B., & Manchiryal, R. K. (2020). Stabilization of clayey soil using Gypsum. Journal of Student Research.