Friday, September 27, 2013

Assumptions of Westergaard' s Theory of stress distribution


Westergaard developed a solution to determine distribution of stress due to point load in soils composed of thin layer of granular material that partially prevent lateral deformation of the soil.

(1) The soil is elastic and semi-infinite.
(2) Soil is composed of numerous closely spaced horizontal layers of negligible thickness of an infinite rigid material.
(3) The rigid material permits only the downward deformation of mass in which horizontal deformation is zero.



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