Problem 4: Using USCS Method and the charts provided, classify the following soil = 23%, Percent Passing the no. 4 Sieve (73%), no. 40 Sieve 66%, no. 200 Sieve 58%. Plasticity Index (PF) 30 20 074 60 50 40 For Classification of Fine-Grained Soils and Fine-Grained Fraction of Coarse-Grained Soils Equation of "A"-Line: Horizontal at P1 = 4 to LL = 25.5. Then P/= 0.73 (LL - 20) Equation of "U"-Line: Vertical at LL = 16 to PI = 7, Then PI = 0.9 (LL-8) 10 16 20 30 CL or OL ML or OL 40 "U line CH or OH "A" line MH or OH 50 .60 Liquid Limit (LL) 70 80 90 100 : LL = 52%, PL 110
Problem 4: Using USCS Method and the charts provided, classify the following soil = 23%, Percent Passing the no. 4 Sieve (73%), no. 40 Sieve 66%, no. 200 Sieve 58%. Plasticity Index (PF) 30 20 074 60 50 40 For Classification of Fine-Grained Soils and Fine-Grained Fraction of Coarse-Grained Soils Equation of "A"-Line: Horizontal at P1 = 4 to LL = 25.5. Then P/= 0.73 (LL - 20) Equation of "U"-Line: Vertical at LL = 16 to PI = 7, Then PI = 0.9 (LL-8) 10 16 20 30 CL or OL ML or OL 40 "U line CH or OH "A" line MH or OH 50 .60 Liquid Limit (LL) 70 80 90 100 : LL = 52%, PL 110
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:Problem 4: Using USCS Method and the charts provided, classify the following soil
= 23%, Percent Passing the no. 4 Sieve (73%), no. 40 Sieve 66%, no. 200 Sieve 58%.
Plasticity Index (PF)
30
20
674
10
60
50
40
For Classification of Fine-Grained Soils and
Fine-Grained Fraction of Coarse-Grained Soils
Equation of "A"-Line:
Horizontal at Pl= 4 to LL = 25.5.
Then P/= 0.73 (LL - 20)
Equation of "U"-Line:
Vertical at EL = 16 to PI = 7,
Then PI = 0.9 (LL-8)
10
16 20
30
CL or OL
ML or OL
40
"U" line
CH or OH
"A" line
MH or OH
50
.60
Liquid Limit (LL)
70
80
90
100
: LL = 52%, PL
110
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