Geology Reference
In-Depth Information
[D] Coefficient of Consolidation
Initial Height
Deformation
of Specimen
Dial Reading
Thickness of
Half-Thickness of
at Beginning
at 50%
Specimen at 50%
Specimen at 50%
Time for 50%
Coefficient of
Consolidation a
Pressure, p
of Test, H 0
Consolidation
Consolidation
Consolidation
Consolidation
(lb/ft 2 )
(in. 2 /min)
(in.)
(in.)
(in.)
(in.)
(min)
(3) [from dial
(6) [from dial
0.196
(5) 2
(2) [from part
readings versus
readings versus
(7)
(4)
2
(1)
(4)
(2)
(3)
(6)
[A], (4)]
log of time
(5)
log of time
curves]
curves]
a It is common practice to set the dial to a zero reading at the beginning of the first loading. If this is not done, the actual dial reading at the
beginning of the first loading must be subtracted from each entry in this column [(4)] to obtain the correct thickness of the specimen at 50%
consolidation.
 
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