An oedometer test on a 1" thick, doubly-drained sample from the clay stratum (shown below) attained 50% consolidation in 6.5 minutes. Find: (a) The total differential settlement of the fully loaded tank. (b) The time required for 75% consolidation in the field. (c) The depth of excavation for minimal settlement. D = 150 ft

An oedometer test on a 1" thick, doubly-drained sample from the clay stratum (shown below) attained 50% consolidation in 6.5 minutes. Find: (a) The total differential settlement of the fully loaded tank. (b) The time required for 75% consolidation in the field. (c) The depth of excavation for minimal settlement. D = 150 ft

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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Question

An oedometer test on a 1" thick, doubly-drained sample from the clay stratum (shown below)
attained 50% consolidation in 6.5 minutes. Find:
(a) The total differential settlement of the fully loaded tank.
(b) The time required for 75% consolidation in the field.
(c) The depth of excavation for minimal settlement.
= 35°
Y-120 pcf
= 10 °
c = 250 psf
Ysat 110 pcf
-
Ca 1.27
Ce=0.40
40 ft
10 ft
57 ft
D = 150 ft
Steel Oil Tank
Flexible steel foundation
Sand
Clay
A
You = 60 pcf
Sand
B
Uniform, normally consolidated clay
W.T.

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