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Effect of Additives on Consistency Limits of Red Mud Waste: A Comparative Study

  • N. Gangadhara Reddy
  • B. Hanumantha Rao
Conference paper
Part of the Environmental Science and Engineering book series (ESE)

Abstract

Knowledge of consistency limits is considered important in predicting the engineering properties (viz., swelling, shrinkage, strength, etc.) as well as for identifying and classifying the geomaterials. Determination of these consistency indices becomes even more imperative when selecting geomaterials (soil or waste) as a resource material for constructing earthen structures. This paper focuses on evaluating the consistency limits (or Atterberg’s limits such as liquid limit, plastic limit, and plasticity index) of red mud waste admixed with oxalic acid, gypsum, sodium silicate, and the combination of fly ash and gypsum additives in different proportions, in a comprehensive way. The results show significant variations in the value of Atterberg’s limits of ameliorated red mud waste vis-à-vis with that of raw waste. It has been inferred that the results reported in the study are of great help in asserting the suitability of the red mud waste in geotechnical engineering applications.

Keywords

Consistency limits Red mud Chemical additives Waste utilization 

Notes

Acknowledgments

The research work presented in the paper was carried out with the financial support provided by DST-SEB, Govt. of India. Authors greatly acknowledge and thank the DST- SERB, Government of India, for the financial support for carrying out this research work.

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Copyright information

© Springer Nature Singapore Pte Ltd. 2019

Authors and Affiliations

  1. 1.School of InfrastructureIIT BhubaneswarJatniIndia

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