PLASTICITY INDEX (PI) What soil type corresponds to the information shown below if the PL is 15. Liquid Limit Moisture content (%) 60% 50% 40% 30% 20% 10% 0% 1 60 50 . 10 100 blow count For classification of fine-grained soils and fine-grained fraction of coarse-grained soils. Equation of "A"-line Horizontal at PI = 4 to LL = 25.5, then PI 0.73 (LL-20) 40 Equation of "U"-line Vertical at LL 16 to PI = 7, then PI = = 0.9 (LL - 8) 30 20 10 7 4 0 0 10 19 CL-ML CL OR OL ML OR OL "U" LINE CH OR OH "A" LINE MH OR OH 16 20 30 40 50 60 70 80 90 100 110 LIQUID LIMIT (LL)

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Chapter2: Loads On Structures
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Answer Choices: A) Cl B) ML C) CH D) MH

 

What soil type corresponds to the information shown below if the PL is 15.
Liquid Limit
Moisture content (%)
PLASTICITY INDEX (PI)
60%
50%
40%
30%
20%
10%
0%
1
60
50
.
10
100
blow count
For classification of fine-grained soils
and fine-grained fraction of coarse-grained
soils.
Equation of "A"-line
Horizontal at PI = 4 to LL = 25.5,
then PI 0.73 (LL-20)
40
Equation of "U"-line
Vertical at LL = 16 to PI = 7,
then PI 0.9 (LL - 8)
30
20
20
10
9740
/CL-ML
U" LINE
CL OR OL
CH OR OH
"A" LINE
ML OR OL
1
0
10
16 20
30
40
50
60
MH OR OH
LIQUID LIMIT (LL)
70
80
80
90
100
110
Transcribed Image Text:What soil type corresponds to the information shown below if the PL is 15. Liquid Limit Moisture content (%) PLASTICITY INDEX (PI) 60% 50% 40% 30% 20% 10% 0% 1 60 50 . 10 100 blow count For classification of fine-grained soils and fine-grained fraction of coarse-grained soils. Equation of "A"-line Horizontal at PI = 4 to LL = 25.5, then PI 0.73 (LL-20) 40 Equation of "U"-line Vertical at LL = 16 to PI = 7, then PI 0.9 (LL - 8) 30 20 20 10 9740 /CL-ML U" LINE CL OR OL CH OR OH "A" LINE ML OR OL 1 0 10 16 20 30 40 50 60 MH OR OH LIQUID LIMIT (LL) 70 80 80 90 100 110
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