A 5-ft fill is to be placed over the following soil profile shown below. Determine if the clay is normally consolidated or over-consolidated. The pre-consolidation pressure (past maximum consolidation stress) of the clay is 1000 lb/ft³. 5 ft 2 ft 4 ft Proposed Fill, y = 120 lb/ft³ Sand Clay Rock 2 ft A Ydry = 100 lb/ft³ Ground water table Ysat 110 lb/ft³ o'c = Pc = 1000 lb/ft²

Fundamentals of Geotechnical Engineering (MindTap Course List)
5th Edition
ISBN:9781305635180
Author:Braja M. Das, Nagaratnam Sivakugan
Publisher:Braja M. Das, Nagaratnam Sivakugan
Chapter9: Consolidation
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Problem 9.3P
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overconsolidated clay, if o' < a <a + Ao'
overconsolidated clay with o + Ao' <o,
normally consolidated clay (that is, o = o)
Transcribed Image Text:overconsolidated clay, if o' < a <a + Ao' overconsolidated clay with o + Ao' <o, normally consolidated clay (that is, o = o)
A 5-ft fill is to be placed over the following soil profile shown below. Determine if
the clay is normally consolidated or over-consolidated.
The pre-consolidation pressure (past maximum consolidation stress) of the clay is
1000 lb/ft3.
5 ft
2 ft
4 ft
Proposed Fill, y = 120 lb/ft³
Sand
Clay
Rock
2 ft
A
Ydry = 100 lb/ft³
Ground water table
Ysat 110 lb/ft³
=
o'= Pc = 1000 lb/ft²
Transcribed Image Text:A 5-ft fill is to be placed over the following soil profile shown below. Determine if the clay is normally consolidated or over-consolidated. The pre-consolidation pressure (past maximum consolidation stress) of the clay is 1000 lb/ft3. 5 ft 2 ft 4 ft Proposed Fill, y = 120 lb/ft³ Sand Clay Rock 2 ft A Ydry = 100 lb/ft³ Ground water table Ysat 110 lb/ft³ = o'= Pc = 1000 lb/ft²
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