Drilled Shaft on Soft Clay
Drilled Shaft on Soft Clay
(OP)
I am having a very deep subsoil profile consisting mainly of soft clay with cohesion of about 250 psf increasing with depth to about 750 to 1000 psf. My question is, If the tip is left resting at this clay, should the difference in weight between excavated material and the concrete be considered to obtain the allowable capacity?





RE: Drilled Shaft on Soft Clay
RE: Drilled Shaft on Soft Clay
Technically speaking, it makes sense to consider the difference in weight obtained by substituting concrete to soil. Under some regulations though, like it happens in my area, the actions must be determined conservatively by considering the full weight of concrete.
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RE: Drilled Shaft on Soft Clay
Thanks for your help