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8/17/2019 8.0 1D Consolidation
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INDUNIL J.M.G.
PG/E/GT/2016/01
CE642
20.02.2016
1D CONSOLIDATION
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DATA
Table 01: Values of MT and K with respect to Temperature
Temperature/ 0C MT K
23 0.0 0.0132
2! 1.00 0.0130
2" 1.30 0.012#
2$ 1.$" 0.012
Cd % 3 di&
Cm % 1 di&
's % 2.$"
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SPECIMEN CALCULATION
() *ie&e (nal+sis
Considerin, 0.!2mm (perture sie&e si-e data set
ei,ht of a,,re,ate % ".3 ,
ei,ht of coarse a,,re,ate retained on 0.!2 mm si-e sie&e % $.!# ,
ercent retained b+ a,,re,ate % $.!#/".3) 100
% 10.##
Total wei,ht of dr+ soil % 0.00 ,
ercent retained b+ total soil % $.!#/0.00) 100
% .11
Total assin, b+ 0.!2mm si-e sie&e % 10041.0#5#.2"52".!#510.5.11)
% !".3$
6) 7+drometer Method
Consider time in min set of readin, from 7+drometer Method table
Temperature of solution % 23.1 0C
897 % 1# di&
8 7 % 897 5 Cm
% 1# 5 1
% 20 di&
78 % 1$.$"2 0.1$! 8 7% 1$.$"2 0.1$! ; 20
% 13.303 cm
78 / t % 13.303/
% 1.$$3 cm/min
< % K 78 / t)1/2
6+ interpolatin, from Table 01
=or T % 23.1 0C K % 0.0131
< % 0.0131 ; 1.$$3)1/2
% 0.01 mm
p % 100 8 75MT4Cd)/ *
6+ interpolatin, from Table 01
=or T % 23.1 0C MT % 0.3
p % 100 2050.343)/ 0
% 22.1$
TABULATION
Table 02: article *i-e Vs assin, for *ie&e (nal+sis and 7+drometer Method
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Method of
(nal+sis
article *i-e /
mm assin,
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*ie&e (nal+sis
!." #.#1
2.00 #.$$
0.! $!.1
0."# "3.!
0.!2 !".3$
0.2" 3$.31
0.1" 31.10.0" 2.!#
7+drometer
Method
0.0$ 2".#2
0.0! 2!.$
0.03! 23.!2
0.02! 23.!2
0.01 22.1
0.012 20.#2
0.00 1#.$
0.00$ 1.!2
0.002 13.!2
CALCULATION
=rom ,radation cur&e
<$0 % 0." mm
<30 % 0.1! mm
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<10 % 0.0012 mm
Cu % <$0 / <10
% 0."/ 0.0012
% $2"
Cc % <30)2 / <$0 ; <10)
% 0.1!2 / 0." ; 0.0012)
% 22
>ffect of erroneous 's of soil can be shown as followin, calculations
's % s/ Vs ; ?w)
Vs % s/ 's ; ?w)
V& % 1 4 Vs
e % V& / Vs
(ssume ?d % 1. ,/cm3
's % 2.$ 's % 2.Vs cm3) 0.$2 0.$$
V& cm3) 0.32 0.333
e 0.! 0.!##
ercent decrease in &oid ratio due to error specific ,ra&it+ % 0.!/0.!## ; 100
% #.
<ue to erroneous 's &oid ratio has been decreased from 2.2. This affects all parameters which are
calculated usin, &oid ratio without specific ,ra&it+ parameter.
RESULTS
=rom ,radation cur&e soil t+pe is silt+ sand M*) and well ,raded.
Table 03: >stimation of Ma@eup of *oil *ample
T+pe of *oil (mount )