Abstract
The soil behaves more settlements, seepage, less resistance against heavy long-term loading, and clayey soils have the size of void spaces varying from microns to nano-size due to that impacts index and engineering properties of the soil. Solve these problems with introduced nanomaterials in soil stabilization. The design of any civil engineering and agricultural structures must need the safe bearing capacity of foundation soil. This paper deals with two sections; the safe bearing capacity prediction from digital tri-axial test and stabilization of soils with extracted nanosilica. The engineering property depends on soil strength parameters such as cohesion and angle of internal friction calculated through digital tri-axial test according to Terzaghi’s theory with more accuracy. The nanomaterial extracted from naturally cultivated agricultural waste with acid mixtures by precipitation methodology. The resultants are characterized by microstructural analysis such as SEM, XRD, EDAX, FT-IR and TGA of extracted nanosilica and procured nanosilica. From test results, improved safe bearing capacity and shear strength, controlled permeability and compressibility characteristics with the optimum dosage of extracted nanosilica.
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The authors are thankful to the Vignan’s Foundation for Science, Technology, and Research (Deemed to be University) for infrastructure, lab facilities, and constant support for this Research work.
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Karumanchi, M., Nerella, R. Shear strength parameters from digital tri-axial test and soils stabilization with extracted nanosilica. Nanotechnol. Environ. Eng. 7, 307–318 (2022). https://doi.org/10.1007/s41204-022-00238-0
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DOI: https://doi.org/10.1007/s41204-022-00238-0