Expansive soils are prone to volumetric variations due to seasonal changes in the field, which is a function of the moisture matrix. The swelling and shrinkage behavior of clay leads to catastrophic failures of structures and pavements when stacked on such soils. Nowadays usage of industrial waste to stabilize soils is prominent in the view of sustainability. This study throws limelight on the possible usage of Micro ceramic waste (MCW), a subset of construction waste to mitigate environmental pollution caused by disposing of MCW in landfills. Research is conducted by adding lime to the black cotton soil mixed with varied percentages, i.e., 0%, 5%, 10%, and 15% of MCW to ameliorate the properties of black cotton soil to achieve effective stabilization. Using these proportions index properties including volumetric shrinkage and swell index were examined. A deeper insight is achieved through image studies validating the volumetric attributes in the soil as a result of the addition of admixture. Based on the experimental analysis it was found that the lime has a perceptible influence in upgrading the properties of black cotton soil stabilized with ceramic waste. A new method of analyzing volumetric changes is put forth by image processing where cracks ranging from wide fissures to fine cracks can be reviewed instead of conventional erroneous manual measurements that lead to improbabilities at in situ conditions.

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Two-Dimensional Volumetric Strain Measurements by Image Processing of Black Cotton Soil Stabilized by Construction Waste

  • Polapala Sai Pradeep,
  • M. Muthukumar

摘要

Expansive soils are prone to volumetric variations due to seasonal changes in the field, which is a function of the moisture matrix. The swelling and shrinkage behavior of clay leads to catastrophic failures of structures and pavements when stacked on such soils. Nowadays usage of industrial waste to stabilize soils is prominent in the view of sustainability. This study throws limelight on the possible usage of Micro ceramic waste (MCW), a subset of construction waste to mitigate environmental pollution caused by disposing of MCW in landfills. Research is conducted by adding lime to the black cotton soil mixed with varied percentages, i.e., 0%, 5%, 10%, and 15% of MCW to ameliorate the properties of black cotton soil to achieve effective stabilization. Using these proportions index properties including volumetric shrinkage and swell index were examined. A deeper insight is achieved through image studies validating the volumetric attributes in the soil as a result of the addition of admixture. Based on the experimental analysis it was found that the lime has a perceptible influence in upgrading the properties of black cotton soil stabilized with ceramic waste. A new method of analyzing volumetric changes is put forth by image processing where cracks ranging from wide fissures to fine cracks can be reviewed instead of conventional erroneous manual measurements that lead to improbabilities at in situ conditions.