Situation 1 A sample of soil has the following grain-size * SCIL CLASSIRCAION characteristics: Size (mm) 2.000 0.075 0.05 0.005 100 • TRIANGULAR CLASICATON CHART (by USDA) VSDA- US Departmtart of Agriculture Percent Passing 10 100 90 74 20 Proene 60 O ldentéy % of solcomponents % grovel- 100% - % Pannga conmm *% sond - % Pasaangacomm- %Passingoomnn "% salt- Paaingoesonn - %Pasungsamm *% clog- %Posngoanm - 0%. 32 70 0.002 15 Cly 40 Determine the following: 1. Percentage of silt 2. Classification of the soil using the Triangular Classification Chart. 60 Silty O Plet the % sand, % sit, and %cloy on ther repective es on the trianguar chart loy projectng ines peperdtcular to the oes O The point of nerction of thove ines taken Ch the apropriate sol dorficotion. Sind clay 60 Silty clay loa Clay loam Soil 70 Sandy clay kaim 80 20 Loàm Silty kiam 90 Notes: 10 Sandy kam sol corponent porticie ste (mm) Sand ind Sill 100 gravel sand sit >200omm 100 90 70 60 50 40 30 20 10 2000 Mm- O.Osomm OOomm - O.coomm Percentage of sand cloy <0.00a mm Percentage of si Petutage of clay

Structural Analysis
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Situation 1
A sample of soil has the following grain-size
characteristics:
* SOIL CLAsIRCATION
100
• TRIANGULAR CIASFICATION CHART (by vsDA)
VEDA- US Departntent of Agriculiture
Percent Passing
Size (mm)
2.000
0.075
0.05
10
100
90-
74
20
Procedune
O ldentéy % of solcomponents
% grovel-
*% sand = %Pasangacoomm- % Passingo omam
% salt
60
80
0.005
32
30
70
100% - % Passtnga.coomm
0.002
15.
Clay
40
Determine the following:
1. Percentage of silt
2. Classification of the soil using the Triangular
60-
- %Pasingo.esonn - %Pasungoonamm
- O%.
30
Silty
clay
2 Plot the %sand, % slt, and Xclay on ther
repective aes on the trianguar chart loy
projectng ines pependicular to the oves.
The point of eterection of those Ines s taken
Cb the appropriate sol carfication.
Classification Chart.
Sảndy
clay
60
40
/Silty clay
kam
Clay loàm
Soil
70
30
Sandy clay
loam
80
20-
Silty koam
90
Notes:
10
Liany
Sand
sind
Sandy loam
sol component
particde aze (mm)
100
gravel
sond
>2.00omm
100
90
70
60
50
40
30
20
10
2000 Mm- O.ocomm
OOomm- O.coamm
Percentage of sand
silt
alay
<0.002 mm
Percentage of silt
Peromtage of elay
Transcribed Image Text:Situation 1 A sample of soil has the following grain-size characteristics: * SOIL CLAsIRCATION 100 • TRIANGULAR CIASFICATION CHART (by vsDA) VEDA- US Departntent of Agriculiture Percent Passing Size (mm) 2.000 0.075 0.05 10 100 90- 74 20 Procedune O ldentéy % of solcomponents % grovel- *% sand = %Pasangacoomm- % Passingo omam % salt 60 80 0.005 32 30 70 100% - % Passtnga.coomm 0.002 15. Clay 40 Determine the following: 1. Percentage of silt 2. Classification of the soil using the Triangular 60- - %Pasingo.esonn - %Pasungoonamm - O%. 30 Silty clay 2 Plot the %sand, % slt, and Xclay on ther repective aes on the trianguar chart loy projectng ines pependicular to the oves. The point of eterection of those Ines s taken Cb the appropriate sol carfication. Classification Chart. Sảndy clay 60 40 /Silty clay kam Clay loàm Soil 70 30 Sandy clay loam 80 20- Silty koam 90 Notes: 10 Liany Sand sind Sandy loam sol component particde aze (mm) 100 gravel sond >2.00omm 100 90 70 60 50 40 30 20 10 2000 Mm- O.ocomm OOomm- O.coamm Percentage of sand silt alay <0.002 mm Percentage of silt Peromtage of elay
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