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Stabilization of tropical kaolin soil with phosphoric acid and lime

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  • Amin Eisazadeh
  • Khairul Kassim
  • Hadi Nur

Abstract

Studies on the chemically stabilized soils have shown that the effectiveness of treatment is largely dependent on soil’s natural environment. In tropical kaolin soils, phosphoric acid may be used as an alternative to traditional alkaline stabilizers for improving soil properties. This research was carried out in an effort to identify the time-dependent soil-stabilizer reactions. Data for the study of characterization of treated samples were obtained from X-ray diffractometry, energy dispersive X-ray spectrometry, field emission scanning electron microscopy, Fourier transform infrared spectroscopy, and leaching analysis. Based on the collected data, the kaolinite mineral with pH-dependent structural properties showed slightly different behavior both in basic and in acidic mediums. Also, it was found that the chemical stabilizers preferentially attacked the alumina surface of the clay particles. Therefore, it was rational to suggest that with respect to lime and phosphoric acid treatment, aluminate hydrate compounds are more likely to be formed. Copyright Springer Science+Business Media B.V. 2012

Suggested Citation

  • Amin Eisazadeh & Khairul Kassim & Hadi Nur, 2012. "Stabilization of tropical kaolin soil with phosphoric acid and lime," 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. 61(3), pages 931-942, April.
    • Handle: RePEc:spr:nathaz:v:61:y:2012:i:3:p:931-942
    DOI: 10.1007/s11069-011-9941-2
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    Cited by:

    1. 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.
    2. Shaorui Sun & Wuchao Wang & Jihong Wei & Jinglei Song & Yongxiang Yu & Wei He & Jixing Zhang, 2022. "Experimental study on microstructure response and mechanical properties of weak interlayer in acidic environment," 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. 112(1), pages 327-348, May.

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