Slip-sinkage behaviour of a shear annulus on a sandy soil
1981
Ram, R.B. | Pathak, B.S. (Punjab Agricultural Univ., Ludhiana (India). College of Agricultural Engineering)
An attempt was made to study the slip-sinkage behaviour of a shear annulus in a sandy soil at various bulk densities. It was found that at low and medium densities slip-sinkage started as soon as shear deformation took place and increased practically linearly with increasing shear deformation, irrespective of normal pressure. At high density slip-sinkage did only start when maximum shear stress was established; further increase in shear deformation induced a linear increase in slip-sinkage which was positively related to the normal pressure imposed on the shear annulus. At all densities studied, the value of the critical normal pressure to induce slip-sinkage was about 50% less than the static bearing capacity of the soil.
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