Volume 8, Issue 2 (June 1985)
Measurement of Volumetric and Linear Shrinkage on Black Cotton Soil
Experimental investigations on the shrinkage of expansive black cotton soil have been made to study the process of shrinkage. Tests have been conducted on compacted soil specimens with different water contents under controlled conditions of temperature and humidity. The changes that take place in the air and water phases of specimens have been analyzed, and shrinkage paths have been examined both for volumetric and linear shrinkage. Volumetric shrinkage is shown to take a unique shrinkage path in terms of water loss, independent of water content or rate of shrinking. In contrast, the linear shrinkage paths are shown to be dependent on conditions under which shrinkage takes place.