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What is Defining International Roughness Index about?

The international roughness index (IRI) was developed in the 1980s to provide a standardized measure of road roughness that could be calculated from longitudinal road profiles measured with different equipment. IRI is calculated by simulating the response of a "Golden Car" quarter-car model to the measured road profile. While IRI is widely used, the details of its calculation and the parameters of the Golden Car model are described across several reports rather than a single concise document. This paper aim

Author

rendy

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EN