Stabilization of Clayey Soil using Dunite Powder
K. Nikhilraaj1, V. Janani2

1K. Nikhilraaj, PG student, Department of Civil Engineering, Faculty of Engineering and Technology, SRMIST, Tamil Nadu, India
2V. Janani: Assistant Professor, Department of Civil Engineering, Faculty of Engineering and Technology, SRMIST, Tamil Nadu, India

Manuscript received on 05 July 2019 | Revised Manuscript received on 09 July 2019 | Manuscript published on 30 July 2019 | PP: 3242-3246 | Volume-8 Issue-9, July 2019 | Retrieval Number: I9003078919/19©BEIESP | DOI: 10.35940/ijitee.I9003.078919

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Abstract: Clayey soil is one of the problematical soil around the world which causes distress to the construction that is built over clayey soil. Construction on expansive soil for geotechnical application causes major problems due to its poor shear strength characteristics apart from this continuous variation in volume change. soil stabilization is the process for modifying the engineering properties of soil. It is one of the most standard techniques used for the improvement of poor soil and also to make cost-effective way by making the best use of the locally existing material. For quite a while, cement is the well-known binder in soil stabilization, but it emits a large amount of CO2, and energy depletion has started using some other materials or by-products to exchange cement for soil stabilization in full or in part. The growing volume of greenhouse gasses such as CO2 has also started explore into finding soil stabilization ecologically friendly resources. Dunite’s have a high amount of MgO, Al2O3, SiO2, and Fe2O3 could categorize this mineral as a soil stabilizing pozzolanic material. In present work experiment were conducted by addition of clayey soil with various percentage of Dunite powder (5%,10%,15%,20%) is added with the dry weight of soil. The unconfined compressive strength and California bearing ratio value is increased with the addition of Dunite power. The UCS value is increased from 198.88kPa to 247.29kPa over untreated soil as well as CBR value also increases from 4.61% for unstabilized soil to 8.86% for stabilized soil
Keywords: CBR, Dunite Power, Stabilization, UCS.

Scope of the Article: Soil-Structure Interaction