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What is the structure of black cotton soil?

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Black cotton soils occurs mostly in the central and western parts and covers approximately 20% of the total area of India. The structure of black cotton soil is sticky when wet and very hard in large blocks when dry. They are very hard when dry, but loses its strength completely when in wet condition. read more

Black cotton soil is one of major soil deposits of India.They exhibit heigh rate of swelling and shrinkage when exposed to changes in moisture content and hence have been found to be most troublosome from engineering consideration. read more

In case the depth of black cotton soil is only 1 m to 1.5 m, then completely remove the entire black cotton soil and place the foundation below that depth. Try to avoid direct contact of black cotton soil with foundation material. read more

Black cotton soils and other expansive soils are dangerous due to their shrinkage and swelling characteristics. In addition to this, these soils have very poor bearing capacity, ranging from 5 t/m2 to 10 t/m2. read more

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Black Cotton Soil Stabilization
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