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Behavior of expansive soils stabilized with fly ash

Author

Listed:
  • Fusheng Zha
  • Songyu Liu
  • Yanjun Du
  • Kerui Cui

Abstract

Expansive soils cause serious problem in the civil engineering practice due to swell and shrinkage upon wetting and drying. Disposal of fly ash, which is an industrial waste in both cost-effective and environment-friendly way receives high attention in China. In this study, the potential use and the effectiveness of expansive soils stabilization using fly ash and fly ash-lime as admixtures are evaluated. The test results show that the plasticity index, activity, free swell, swell potential, swelling pressure, and axial shrinkage percent decreased with an increase in fly ash or fly ash-lime content. With the increase of the curing time for the treated soil, the swell potential and swelling pressure decreased. Soils immediately treated with fly ash show no significant change in the unconfined compressive strength. However, after 7 days curing of the fly ash treated soils, the unconfined compressive strength increased significantly. The relationship between the plasticity index and swell-shrinkage properties for pre-treated and post-treated soils is discussed. Copyright Springer Science+Business Media B.V. 2008

Suggested Citation

  • Fusheng Zha & Songyu Liu & Yanjun Du & Kerui Cui, 2008. "Behavior of expansive soils stabilized with fly ash," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 47(3), pages 509-523, December.
    • Handle: RePEc:spr:nathaz:v:47:y:2008:i:3:p:509-523
    DOI: 10.1007/s11069-008-9236-4
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    Citations

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    Cited by:

    1. Guru Raju Pokkunuri & Rabindra Kumar Sinha & Amit K. Verma, 2023. "Field Studies on Expansive Soil Stabilization with Nanomaterials and Lime for Flexible Pavement," Sustainability, MDPI, vol. 15(21), pages 1-21, October.
    2. Andrzej Greinert & Maria Mrówczyńska & Wojciech Szefner, 2019. "Study on the Possibilities of Natural Use of Ash Granulate Obtained from the Combustion of Pellets from Plant Biomass," Energies, MDPI, vol. 12(13), pages 1-19, July.
    3. Umit Calik & Erol Sadoglu, 2014. "Classification, shear strength, and durability of expansive clayey soil stabilized with lime and perlite," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 71(3), pages 1289-1303, April.
    4. Canan Turan & Akbar A. Javadi & Raffaele Vinai & Ramiz Beig Zali, 2022. "Geotechnical Characteristics of Fine-Grained Soils Stabilized with Fly Ash, a Review," Sustainability, MDPI, vol. 14(24), pages 1-31, December.
    5. Ali Sinan Soğancı & Yavuz Yenginar & İlyas Özkan & Yusuf Güzel & Adnan Özdemir, 2024. "Waste Management of Red Mud and Fly Ash to Utilize in Road Subgrade Material," Sustainability, MDPI, vol. 16(7), pages 1-14, April.

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