A low compressible silty-clayey soil has been stabilized by utilizing locally available agricultural waste such as Sugarcane Bagasse Ash (SCBA) and Rice Husk Ash (RHA). Bagasse is a fibrous residual material remaining after the crushing of sugarcane, and bagasse ash is produced subsequent to the burning of bagasse. Rice husk ash is similarly generated after the burning of rice husk. Improper disposal of these materials can lead to environmental damage around sugar manufacturing plants. In the present study, samples are prepared using varying proportions of bagasse ash and rice husk ash as 2.5, 5, 7.5, 10, and 12.5% of the dry mass of the soil. The Standard Proctor test and Unconfined Compressive Strength (UCS) tests have been conducted on the soil samples. The maximum dry density, optimum moisture content, and Unconfined Compressive Strength are reported for both untreated and treated samples. The outcome of the study clearly indicates that the stabilization of soil using bagasse ash and rice husk ash not only enhances strength but also facilitates to cope with environmental concerns by reducing agricultural waste material.

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Modification of Geotechnical Parameters of Soil by Using Agricultural Waste

  • Pramod Kumar Yadav,
  • Aparna,
  • Ayush Mittal,
  • Karan Tiwari

摘要

A low compressible silty-clayey soil has been stabilized by utilizing locally available agricultural waste such as Sugarcane Bagasse Ash (SCBA) and Rice Husk Ash (RHA). Bagasse is a fibrous residual material remaining after the crushing of sugarcane, and bagasse ash is produced subsequent to the burning of bagasse. Rice husk ash is similarly generated after the burning of rice husk. Improper disposal of these materials can lead to environmental damage around sugar manufacturing plants. In the present study, samples are prepared using varying proportions of bagasse ash and rice husk ash as 2.5, 5, 7.5, 10, and 12.5% of the dry mass of the soil. The Standard Proctor test and Unconfined Compressive Strength (UCS) tests have been conducted on the soil samples. The maximum dry density, optimum moisture content, and Unconfined Compressive Strength are reported for both untreated and treated samples. The outcome of the study clearly indicates that the stabilization of soil using bagasse ash and rice husk ash not only enhances strength but also facilitates to cope with environmental concerns by reducing agricultural waste material.