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The key points are: Failure Mechanism, Mechanical Modification, Group of Stone Columns, Granular Piles, Floating Piles, Single Isolated Pile, End Bearing Stratum, Concept of Equivalent Soil, Shear Strength, Barksdale and Bachus Report
Typology: Study notes
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Granular Piles are often constructed through soft soil fully penetrating to an end bearing stratum however they may be constructed as Floating piles the tips ending with soft layer For single isolated pile the most probable failure mechanism is bulging failure. .
Barksdale and Bachus (1983) report a conventional method for determination of equivalent soil parameters based on area ratio
To take into account the effect of
Enoki et al (1991) suggested an approach based on
The assumption that full strength of both the granular pile and cohesive soil is mobilized
