Stress-Strain Behaviour of Fine Grained Soils with Varying Sand Content
DOI:
https://doi.org/10.51983/tarce-2014.3.2.2209Keywords:
Black cotton soil, Consolidation of soil, Index properties, Shedi soil, Triaxial shear testAbstract
The behaviour of clay is affected by the content of sand particles. How and to what degree the sand content affects on shrinkage limit, compaction characteristics, stress-strain behaviour, shear parameters (angle of internal friction and cohesion) and coefficient of consolidation studied in detail. In this paper, fine grained soil like BC soil and shedi soil with different percentage of sand (10% to 60%) was prepared and compacted with water content at optimum and a systematic series of UU-Triaxial test is conducted. Results of the laboratory tests shows that at optimum content 10% to 60% of sand, the results reveal that undrained shear strength, as the sand content increases in fine soil mixture the cohesion of soil decreases with increases in frictional angle at optimum content. The percentage increased in friction angle increased at steady state from 130 to 280 and the cohesion decreased from 0.71 to 0.39 kg/cm2 with increasing sand content.
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