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Ground Improvement Using Industrial Waste Materials

  • G. ReshmiEmail author
  • Anirban Mandal
Conference paper
Part of the Lecture Notes in Civil Engineering book series (LNCE, volume 29)

Abstract

Black cotton soil offers a weak foundation for any structure made on it due to its swelling and shrinkage characteristics and inherent low strength. Roads constructed on these black cotton soils often suffer from early failures like rutting. An attempt have been made in this research to modify the black cotton soil as a subgrade material using some industrial waste materials like copper slag, fly ash and cement kiln dust. Tests like standard proctor test, unconfined compressive strength (UCS) test and California bearing ratio (CBR) tests were conducted on all soil-industrial waste combinations. CBR and UCS value of original soil sample was less which later got improved after addition of the above waste materials. Finally a flexible pavement design was done for the initial subgrade and for improved subgrades formed. Percentage reduction in pavement thickness due to subgrade improvement was also calculated. Such an attempt of using waste materials helps both in proper waste disposal and creation of improved subgrades.

Keywords

Copper slag Fly ash Cement kiln dust UCS test CBR test 

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Copyright information

© Springer Nature Singapore Pte Ltd. 2019

Authors and Affiliations

  1. 1.Department of Civil EngineeringVisvesvaraya National Institute of TechnologyNagpurIndia

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