How many years would the pavement''s design life be reduced

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Reference no: EM131142435

A flexible pavement has a structural number of 3.8 (all drainage coefficients are equal to 1.0). The initial PSI is 4.7 and the terminal serviceability is 2.5. The soil has a CBR of 9.

The overall standard deviation is 0.40 and the reliability is 95%. The pavement is currently designed for 1800 equivalent 18-kip single-axle loads per day.

If the number of 18-kip single-axle loads were to increase by 30%, by how many years would the pavement's design life be reduced?

Reference no: EM131142435

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