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Medição <strong>de</strong> Irregularida<strong>de</strong> no Brasil<br />
- medida normalizada - QI (quociente <strong>de</strong><br />
irregularida<strong>de</strong> ou índice <strong>de</strong> quarto <strong>de</strong> carro)<br />
- QI - tipo resposta - 1975 – 1981 - reação veículo<br />
/ pavimento - cont. / km<br />
- Brasília 1982 - pesquisa internacional - IRI –<br />
International Roughness In<strong>de</strong>x – Índice <strong>de</strong><br />
Irregularida<strong>de</strong> Internacional<br />
- IRI ≅ QI na razão QI = 13 x IRI<br />
- DNER PRO 164/94 - base <strong>de</strong> calibração