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Performance Evaluation of Potassium Based Additives for Black Cotton Soil Stabilization
The black cotton soil covers more than a quarter of India’s geographical area. This black cotton soils retains features like highly shrinking and swelling character and low bearing capacity depending on the changes in moisture content present in atmosphere and this is because of montmorillonite mineral that is present in black cotton soil. In order to control these issues that are associated with black cotton soils, wide variety of techniques are available. Chemical stabilization is the most widely used stabilization technique all over the world due to its high efficiency. In present study investigates about the efficiency of soil stabilization by potassium chloride in black cotton soils is investigated. The binder percentages of 5, 10, 15 and 20% were considered basing on the earlier literature. The experimental findings of index, engineering and microstructures properties of the KCL blended soils at different percentages are presented in this paper. The results showed the increase of 5% blended samples of curing periods compressive strength in different intervals of days as 0, 7 and 28 days respectively. In curing times from 5 to 20% ranges there is decrease with increase in blinder content for Unconfined Compressive Strength (UCS). Hence an optimum binder content of 5% is selected as the optimum binder dosage for stabilization. The microstructure changes occurred in 5% blended sample which are analyzed by XRD patterns. The strength of soil of black cotton is increased successfully because of the conversion of montmorillonite to illite mineral as this is the main aim of our work. This current study clearly represents the efficiency of KCL in treating and stabilization of black cotton soil.
Performance Evaluation of Potassium Based Additives for Black Cotton Soil Stabilization
The black cotton soil covers more than a quarter of India’s geographical area. This black cotton soils retains features like highly shrinking and swelling character and low bearing capacity depending on the changes in moisture content present in atmosphere and this is because of montmorillonite mineral that is present in black cotton soil. In order to control these issues that are associated with black cotton soils, wide variety of techniques are available. Chemical stabilization is the most widely used stabilization technique all over the world due to its high efficiency. In present study investigates about the efficiency of soil stabilization by potassium chloride in black cotton soils is investigated. The binder percentages of 5, 10, 15 and 20% were considered basing on the earlier literature. The experimental findings of index, engineering and microstructures properties of the KCL blended soils at different percentages are presented in this paper. The results showed the increase of 5% blended samples of curing periods compressive strength in different intervals of days as 0, 7 and 28 days respectively. In curing times from 5 to 20% ranges there is decrease with increase in blinder content for Unconfined Compressive Strength (UCS). Hence an optimum binder content of 5% is selected as the optimum binder dosage for stabilization. The microstructure changes occurred in 5% blended sample which are analyzed by XRD patterns. The strength of soil of black cotton is increased successfully because of the conversion of montmorillonite to illite mineral as this is the main aim of our work. This current study clearly represents the efficiency of KCL in treating and stabilization of black cotton soil.
Performance Evaluation of Potassium Based Additives for Black Cotton Soil Stabilization
Lecture Notes in Civil Engineering
Kumar, Pala Gireesh (editor) / Subramaniam, Kolluru V. L. (editor) / Santhakumar, S. Moses (editor) / Satyam D., Neelima (editor) / Mallikarjuna, N. (author) / Prasad, K. S. R. (author)
2022-05-14
11 pages
Article/Chapter (Book)
Electronic Resource
English
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