MEDG IRI

This spreadsheets estimates the asphalt IRI value. This value is a useful tool for evaluating the condition and performance of flexible pavements from the MEDG.

The spreadsheet includes 4 different calculations for different types of pavement construction including conventional asphalt construction, deep strength pavements, semi rigid pavements and asphalt overlays. The spreadsheet takes user input values for the environmental conditions, the pavement condition and the age of the pavement. The spreadsheet then estimates the IRI value in accordance with the AASHTO MEDG.

Flexible Road Structural Design Spreadsheet - MEDG IRI Spreadsheet.

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