State any four factors which affect shear strength of soil

State any four factors which affect shear strength of soil
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1 Answer

Answer :

Shear strength is affected by

i) Soil composition

Mineralogy, grain size, shape of soil particles, pore fluid type and content, clay content.

ii) Initial State

Loose, dense, normally consolidated, over consolidated, stiff, soft etc

iii) Structure

Arrangement of soil particles, stratifications presence of voids, cementation etc.

iv) Properties

Relative density, permeability, compaction, confining pressure etc gradation

v) Type of loading

static, dynamic

vi) Drainage conditions

Undrained, drained

vii) Stress conditions

deviator stress, confining stress, intermediate stress 
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