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Home»Articles»Influence of Nano Silica on the Geotechnical Properties of Clayey Soil Stabilized with Lime

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Asian Journal of Engineering and Applied Technology (AJEAT)

Editor Dr. Seshadri Ramkumar
Print ISSN : 2249-068X
Frequency : Quarterly

Influence of Nano Silica on the Geotechnical Properties of Clayey Soil Stabilized with Lime

Author : R. Iswarya and V. Satheeskumar
Volume 7 No.1 Special Issue:April 2018 pp 28-32

Abstract

The soil must be able to withstand the load and transfer it to ground within the range of allowable deformations, for which it must possess good physical and geotechnical properties. The conventional method of stabilization such as removal and replacement of ill – suited soils incur higher cost and is time consuming. A new method of stabilization, designated as chemical stabilization can be adopted. This method initiate chemical reactions such as cation exchange, pozzolanic activity etc., which consequently enhance the geotechnical properties of soil. In this study, the mechanical behavior of soil is improved by addition of nanoparticles i.e., nano silica along with cementitious material, lime. Considering economic issues of nano silica usage and results of this research in soil stabilization projects, in this study 0, 1, 3 and 5 % weight of nano silica is used as well as 0, 2 and 4 % weight of lime is used. The effect of these replacements is studied by Atterberg limits test, compaction test and unconfined compressive strength (UCS) test. The effect of curing time on samples at 3, 7 and 28 days of age has also been investigated. The optimum percentage replacement of nano silica in lime stabilized soil is determined. The microstructure of the stabilized soil is studied by Scanning electron microscopy (SEM) test. Thus the results proved that there is a significant improvement in the plasticity, compaction and strength properties with slight addition of nano silica in clayey soil mixed with lime.

Keywords

Compaction, Lime, Nano Silica, Plasticity, Stabilization, Unconfined Compressive Strength

Full Text:

References

[1] Antonio Alberto S. Correia and Maria Graca Rasteiro, “Nanotechnology Applied to Chemical Soil Stabilization”, International Conference on Transportation Geotechnics, Vol. 143, pp. 1252-1259, June 2016.
[2] F. G. Bell, “Lime Stabilization of Clay Minerals and Soil”, Journal of Engineering Geology, Vol. 42, pp. 223-237, 1996.

[3] Ebrahim Nohani and Ezatolah Alimakan, “The Effect of Nano Particles on Geotechnical Properties of Clay”, International Journal of Life Science, Vol. 9, pp. 25 -27, 2015.
[4] Foad Changizi and Abdo Ihosein Haddad, “Strength Properties of Soft Clay Treated with Mixture of Nano-SiO2 and Recycled Polyester Fiber”, Journal of Rock Mechanics and Geotechnical Engineering, Vol. 7, pp. 367 – 378, 2015.
[5] P. Hareesh and R. Vinothkumar, “Assessment of Nano Materials on Geotechnical Properties of Clayey Soils”, International Conference on Engineering Innovations and Solutions, pp. 66 – 70, 2016.
[6] Mohammad Ali Pashabavandpouri and Sajad Jahangiri, “Effect of Nano-Silica on Swelling, Compaction and Strength Properties of Clayey Soil Stabilized with Lime”, Journal of Applied Environmental and Biological Sciences, Vol. 5, No. 7S, pp. 538-548, May 2015.
[7] Muzahim Al-Mukhtar, Abdelmadjid Lasledj and J.F. Alcover, “Lime Consumption of Different Clayey Soils”, Applied Clay Science,Vol. 24, pp. 1-13, 2014.
[8] Navid ghasabkolaei, Asskar janalizadeh choobbasti, Nader roshan and Seiyed E. Ghasemi, “Geotechnical Properties of the Soils Modified with Nano Materials: a Comprehensive Review”, Archives of Civil and Mechanical Engineering,Vol. 17, pp. 639-650, 2017.
[9] L.K. Sharma, N.N. Sirdesai, K. M. Sharma and T.N. Singh,”Experimental study to examine the independent roles of lime and cement on the stabilization of a mountain soil: A comparative study”, Applied Clay Science., Vol. 10, pp. 1-13, Nov. 2017.
[10] Sanusha Babu and Shyla Joseph, “Effect of Nano Materials on Properties of Soft Soil”, International Journal of Science and Research, Vol. 5, No. 8, pp. 634 – 637, 2016.
[11] Sayed Hessam Bahmani, Bujang B. K. Huat, Afshin Asadi and Nima Farazadnia, “Stabilization of Residual Soil Using SiO2.

Asian Journal of Engineering and Applied Technology is a peer-reviewed International research journal aiming at promoting and publishing original high quality research in all disciplines of engineering and applied technology. All research articles submitted to AJEAT should be original in nature, never previously published in any journal or presented in a conference or undergoing such process across the world. All the submissions will be peer-reviewed by the panel of experts associated with particular field. Submitted papers should meet the internationally accepted criteria and manuscripts should follow the style of the journal for the purpose of both reviewing and editing.

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The soil must be able to withstand the load and transfer it to ground within the range of allowable deformations, for which it must possess good physical and geotechnical properties. The conventional method of stabilization such as removal and replacement of ill - suited soils incur higher cost and is time consuming. A new method of stabilization, designated as chemical stabilization can be adopted. This method initiate chemical reactions such as cation exchange, pozzolanic activity etc., which consequently enhance the geotechnical properties of soil. In this study, the mechanical behavior of soil is improved by addition of nanoparticles i.e., nano silica along with cementitious material, lime. Considering economic issues of nano silica usage and results of this research in soil stabilization projects, in this study 0, 1, 3 and 5 % weight of nano silica is used as well as 0, 2 and 4 % weight of lime is used. The effect of these replacements is studied by Atterberg limits test, compaction test and unconfined compressive strength (UCS) test. The effect of curing time on samples at 3, 7 and 28 days of age has also been investigated. The optimum percentage replacement of nano silica in lime stabilized soil is determined. The microstructure of the stabilized soil is studied by Scanning electron microscopy (SEM) test. Thus the results proved that there is a significant improvement in the plasticity, compaction and strength properties with slight addition of nano silica in clayey soil mixed with lime.

Editor-in-Chief
Dr. Seshadri Ramkumar
Department of Environmental Toxicology, Texas Tech University, Texas
[email protected]
Editorial Advisory Board
Dr. Kamarul Ariffin Bin Noordin
Department of Electrical Engineering, University of Malaya, Malaysia
[email protected]
Dr. Benjamin T.F. Chung
Department of Mechanical Engineering, University of Akron, Akron, USA
[email protected]
Dr. Mohd Faiz Bin Mohd Salleh
Department of Electrical Engineering, University of Malaya, Malaysia
[email protected]
Dr. Suhana Binti Mohd Said
Department of Electrical Engineering, University of Malaya, Malaysia
[email protected]
Dr. Norrima Binti Mokhtar
Department of Electrical Engineering, University of Malaya, Malaysia
[email protected]
Dr. Mohamadariff
Department of Electrical Engineering, University of Malaya, Malaysia
[email protected]

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    Editorial Note

    Editorial Dr. Seshadri Ramkumar

    Editor-in-Chief
    Dr. Seshadri Ramkumar
    Department of Environmental Toxicology, Texas Tech University, Texas
    [email protected]
    Editorial Advisory Board
    Dr. Kamarul Ariffin Bin Noordin
    Department of Electrical Engineering, University of Malaya, Malaysia
    [email protected]
    Dr. Benjamin T.F. Chung
    Department of Mechanical Engineering, University of Akron, Akron, USA
    [email protected]
    Dr. Mohd Faiz Bin Mohd Salleh
    Department of Electrical Engineering, University of Malaya, Malaysia
    [email protected]
    Dr. Suhana Binti Mohd Said
    Department of Electrical Engineering, University of Malaya, Malaysia
    [email protected]
    Dr. Norrima Binti Mokhtar
    Department of Electrical Engineering, University of Malaya, Malaysia
    [email protected]
    Dr. Mohamadariff
    Department of Electrical Engineering, University of Malaya, Malaysia
    [email protected]

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