Bearing Capacity and Microstructural Study of Weak Soils Stabilized with Tyre Waste Powder and Kota Stone Powder

International Journal of Civil Engineering

© 2024 by SSRG - IJCE Journal

Volume 11 Issue 4

Year of Publication : 2024

Authors : M. Ammaiappan, K. Natarajan

10.14445/23488352/IJCE-V11I4P103

How to Cite?

M. Ammaiappan, K. Natarajan, "Bearing Capacity and Microstructural Study of Weak Soils Stabilized with Tyre Waste Powder and Kota Stone Powder," SSRG International Journal of Civil Engineering, vol. 11,  no. 4, pp. 17-24, 2024. Crossref, https://doi.org/10.14445/23488352/IJCE-V11I4P103

Abstract:

The weak soils are beneath the expanding well known clayey soils. Generally speaking, weak soils have a significant volume of settlement and a limited bearing capacity because of the insufficient bonding and microstructural arrangements of the clayey soil particles. The aim of this investigation is to elaborate on the improvement in bearing capacity and microstructural characteristics in an expansive clayey soil that has already been stabilized by the optimal combinations of Kota stone powder and tyre waste powder. This ongoing study aims to characterize the alterations in micro fabric and mineralogical structures resulting from the incorporation of stabilized weak soil with optimized blends of tyre waste powder (12%) and Kota stone powder. The clay-waste tyre powder and Kota stone powder mixture, designated as 0.5, 1B, and 2B, were used in the trials at three different depths. Both the virgin soil and the stabilized soil samples' X-ray diffraction pattern (XRD) and scanning electron microscopy (SEM) pictures were collected and examined. The XRD pattern shows that stable compounds are forming. SEM micrographs show how the introduction of the ideal mixture of Kota stone powder and waste tyre powder led to the development of an ordered and flocculated structure. The results of this study show that stabilized weak soils have notable improvements in both bearing capacity and microstructural configurations.

Keywords:

Weak soils, Bearing capacity, Microstructure, SEM analysis, XRD analysis.

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