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pavement design

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EXAMPLE OF FOAMED ASPHALT OR CIR<br />

LIFE-CYCLE COST ANALYSIS<br />

• INTEREST RATE 8 PERCENT, INFLATION RATE 4 PERCENT<br />

- DISCOUNT RATE 3.85 PERCENT<br />

• ALTERNATIVES BASED ON EQUIVALENT GRANULAR BASE<br />

EQUIVALENCIES (GBE)<br />

- EXISTING PAVEMENT 100 mm ASPHALT CONCRETE<br />

150 mm GRANULAR BASE<br />

GRANULAR SUBBASE<br />

SUBGRADE<br />

• GBE OF 1.8 USED FOR FOAMED ASPHALT AND CIR<br />

• INITIAL COST OF PAVEMENT STRUCTURE ONLY<br />

- AVERAGE MTO 1996 UNIT PRICES<br />

• MAINTENANCE AND REHABILITATION SCHEDULE BASED ON<br />

JEGEL EXPERIENCE

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