A 3.0 m thick singly drained normally consolidated claylayer has eo =0.89, Cc = 0.46, and cv =3.5 m2/year. Theeffective overburden pressure at the middle of the layeris 105.0 kN/m2. It is proposed to build a large warehousethat is expected to impose a pressure of 50.0 kN/m2 at theground level.If the engineer proposes to preload the site with a pressureof 90.0 kN/m2, how long should this surcharge beleft to ensure there is no postconstruction settlementwhen the warehouse is built?

given Datae0=0.89Cc=0.46Cv=3.5H=3 m

Answered: A 3.0 m thick singly drained normally…

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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A 3.0 m thick singly drained normally consolidated clay
layer has e_o =0.89, C_c = 0.46, and c_v =3.5 m²/year. The
effective overburden pressure at the middle of the layer
is 105.0 kN/m². It is proposed to build a large warehouse
that is expected to impose a pressure of 50.0 kN/m² at the
ground level.

If the engineer proposes to preload the site with a pressure
of 90.0 kN/m², how long should this surcharge be
left to ensure there is no postconstruction settlement
when the warehouse is built?

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