Engineering Properties of Black cotton soil Modified with Fly ash and Cement

  IJETT-book-cover  International Journal of Engineering Trends and Technology (IJETT)          
© 2016 by IJETT Journal
Volume-35 Number-10
Year of Publication : 2016
Authors : Jaya Prakash Babu.V, Satyanarayana.P.V.V, Surya Manikantha, Abdul Moin


Jaya Prakash Babu.V, Satyanarayana.P.V.V, Surya Manikantha, Abdul Moin"Engineering Properties of Black cotton soil Modified with Fly ash and Cement", International Journal of Engineering Trends and Technology (IJETT), V35(10),477-482 May 2016. ISSN:2231-5381. published by seventh sense research group

Black cotton soil is a typical volume change soil which loses its strength on wetting due to increase in its volume and in absence of water it shows multiple cracks due to decrease in its volume. This volume change behavior causes distress when structures located on these soils and also these soils can be used as construction material.. Present paper describes the strength behavior of Black cotton soil treated with fly ash as stabilizer. Fly ash is a fine powder obtained from burning of coal during the production of electricity. Disposal of Fly ash is a big problem. To minimize the disposal of Fly ash onto large land areas, it can be used as a construction material in civil engineering works. In this an attempt is made for the utilization of Fly ash in bulk quantities by adding it to expansive soil at various percentages of cement and tests like plasticity, swell, compaction and CBR tests were performed. From the test results it is identified that addition of Fly ash and cement decreases plasticity and improves strength characteristics. Addition 32-40% Fly ash and 6-8% cement attains higher CBR values and improved swell characteristics.


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Expansive soil, Fly Ash, cement, CBR.