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Pavement Structural Analysis of the Design Recommendations for ...

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<strong>Pavement</strong> <strong>Structural</strong> <strong>Analysis</strong> August 2004<br />

Report No. 15953-2/1 ARA-ERES Consultants<br />

Layer 4 -- Crushed gravel<br />

Unbound Material: Crushed gravel<br />

Thickness(in): 16<br />

Strength Properties<br />

Input Level: Level 3<br />

<strong>Analysis</strong> Type: ICM inputs (ICM Calculated Modulus)<br />

Poisson's ratio: 0.35<br />

Coefficient <strong>of</strong> lateral pressure,Ko: 0.5<br />

Modulus (input) (psi): 7500<br />

ICM Inputs<br />

Gradation and Plasticity Index<br />

Plasticity Index, PI: 0<br />

Passing #200 sieve (%): 7<br />

Passing #4 sieve (%): 30<br />

D60 (mm): 10<br />

Calculated/Derived Parameters<br />

Maximum dry unit weight (pcf): 130 (user input)<br />

Specific gravity <strong>of</strong> solids, Gs: 2.65 (derived)<br />

Saturated hydraulic conductivity (ft/hr): 302 (derived)<br />

Optimum gravimetric water content (%): 7 (user input)<br />

Calculated degree <strong>of</strong> saturation (%): 78 (calculated)<br />

Soil water characteristic curve parameters: Default values<br />

Parameters<br />

a<br />

b<br />

c<br />

Hr.<br />

Value<br />

0.153<br />

7.5<br />

1.18<br />

0.015<br />

Layer 5 -- A-2-4<br />

Unbound Material: A-2-4<br />

Thickness(in): 8<br />

Strength Properties<br />

Input Level: Level 3<br />

<strong>Analysis</strong> Type: ICM inputs (ICM Calculated Modulus)<br />

Poisson's ratio: 0.35<br />

Coefficient <strong>of</strong> lateral pressure,Ko: 0.5<br />

Modulus (input) (psi): 7000<br />

ICM Inputs<br />

Gradation and Plasticity Index<br />

Plasticity Index, PI: 0<br />

Passing #200 sieve (%): 10<br />

Passing #4 sieve (%): 72<br />

D60 (mm): 0.1<br />

Calculated/Derived Parameters<br />

Maximum dry unit weight (pcf): 135 (user input)<br />

Specific gravity <strong>of</strong> solids, Gs: 2.65 (derived)<br />

Saturated hydraulic conductivity (ft/hr): 0.000866 (derived)<br />

Optimum gravimetric water content (%): 7 (user input)<br />

Calculated degree <strong>of</strong> saturation (%): 78 (calculated)<br />

Soil water characteristic curve parameters: Default values<br />

Parameters<br />

a<br />

b<br />

c<br />

Hr.<br />

Value<br />

4.86<br />

7.5<br />

0.365<br />

17.5<br />

49

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