Write any four assumptions of Rankine’s theory made for non-cohesive soils.

1 Answer

Answer :

Assumption of Rankines Theory for non-cohesive soils :

i. The soil is semi-infinite, homogenous, dry and cohesion less.

ii. The soil element is in the state of plastic equilibrium.

iii. The ground surface is plane which may be horizontal or inclined.

iv. The back of is vertical and smooth.

v. The wall yield about the base thus satisfies deformation condition for plastic equilibrium. 

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