lts of the sieve analysis done on a soil are shown below. Sieve No. Diameter Soil A 4 4.760 88 6 2.380 69 10 2.000 62 20 0.840 51 40 0.420 39 60 0.250 31 100 0.149 18 200 0.074 14 LL 60 PL 20

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The results of the sieve analysis done on a soil are shown below.

Sieve No. Diameter Soil A
4 4.760 88
6 2.380 69
10 2.000 62
20 0.840 51
40 0.420 39
60 0.250 31
100 0.149 18
200 0.074 14
LL 60
PL 20

 

Determine its classification using USCS.

 

   

SC

   

SM

   

ML

   

None of the above. 

   

CL

Soil Classification
Criteria for Assigning Group Symbols and Group Names using Laboratory Tests
Group Symbol
Group NameB
Cu 24
and
GW
Well-graded gravel
CLEAN GRAVELS
1 < Cc < 3
GRAVELS
(Less than 5%
Cu < 4
(More than 50%
fines)
and/or
GP
|Poorly graded gravel
of coarse
Сс < 1 or Cс> 3
fraction retained
GRAVELS WITH
Fines classify as ML or
on No. 4 sieve)
GM
Silty gravel
FINES
МН
COARSE-
(More than 12%
Fines classify as CL or
GRAINED SOILS
GC
Clayey gravel
fines)
CH
More than 50%
Cu 26
retained on No. 200
and
SW
Well-graded sand
sieve
CLEAN SANDS
1< Сс < 3
SANDS
(Less than 5%
Cu < 6
(50% or more of
fines)
and/or
SP
Poorly graded sand
coarse fraction
Сс < 1 or Cс > 3
passes No. 4
sieve)
SANDS WITH
Fines classify as ML or
SM
Silty sand
FINES
MH
(More than 12%
Fines classify as CL or
SC
Clayey sand
fines)
CH
Transcribed Image Text:Soil Classification Criteria for Assigning Group Symbols and Group Names using Laboratory Tests Group Symbol Group NameB Cu 24 and GW Well-graded gravel CLEAN GRAVELS 1 < Cc < 3 GRAVELS (Less than 5% Cu < 4 (More than 50% fines) and/or GP |Poorly graded gravel of coarse Сс < 1 or Cс> 3 fraction retained GRAVELS WITH Fines classify as ML or on No. 4 sieve) GM Silty gravel FINES МН COARSE- (More than 12% Fines classify as CL or GRAINED SOILS GC Clayey gravel fines) CH More than 50% Cu 26 retained on No. 200 and SW Well-graded sand sieve CLEAN SANDS 1< Сс < 3 SANDS (Less than 5% Cu < 6 (50% or more of fines) and/or SP Poorly graded sand coarse fraction Сс < 1 or Cс > 3 passes No. 4 sieve) SANDS WITH Fines classify as ML or SM Silty sand FINES MH (More than 12% Fines classify as CL or SC Clayey sand fines) CH
PLASTICITY CHART
60
50
CH
40
A LINE:
PI = 0,73(LL-20)
30
CL
MH&OH
20
CL+ML
ML&OL
10
20
30 40 50 60 70
80 90 100
LIQUID LIMIT (LL) (%)
PLASTICITY INDEX (PI) (%)
10
Transcribed Image Text:PLASTICITY CHART 60 50 CH 40 A LINE: PI = 0,73(LL-20) 30 CL MH&OH 20 CL+ML ML&OL 10 20 30 40 50 60 70 80 90 100 LIQUID LIMIT (LL) (%) PLASTICITY INDEX (PI) (%) 10
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