Consolidation in the Lab (Lambe & Whitman, Soil Mechanics , 1969) - - PDF document

consolidation in the lab lambe whitman soil mechanics
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Consolidation in the Lab (Lambe & Whitman, Soil Mechanics , 1969) - - PDF document

Consolidation in the Lab (Lambe & Whitman, Soil Mechanics , 1969) Casagrande Method 0% 10% d 20% 2d 30% 40% U 50% 60% 70% t 80% 4t 90% 100% 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2 T Casagrande Method 0% d 10% 2d


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SLIDE 1

Consolidation in the Lab

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SLIDE 2

(Lambe & Whitman, Soil Mechanics, 1969)

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SLIDE 3

0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100% 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2 T U

2d d 4t t

Casagrande Method

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SLIDE 4

0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100% 0.01 0.1 1 10 T U 2d d T100 0.04 4t 0.01 t

Casagrande Method

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SLIDE 5

t100

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SLIDE 6

Casagrande Method

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SLIDE 7

Taylor Method

0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100% 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2 SQRT(T) U d 1.15 d

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SLIDE 8

Taylor Method

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SLIDE 9

Inflection Point Method

0.00 0.10 0.20 0.30 0.40 0.50 0.60 0.70 0.80 0.90 1.00 0.01 0.1 1 10

T dU/dlog(t) .

Tvi = 0.405 ( )

∂ = ∂

2 2

U logt

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SLIDE 10

Inflection Point Method

0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100% 0.01 0.1 1 10 T U Tvi = 0.405

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SLIDE 11

RH Method

1 2 3 4 5 6 7 8 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 T 1/U

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SLIDE 12

RH Method

0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 T T/U D60