The IJK Ride Indicator, 1976
| Data(s) |
01/03/1976
|
|---|---|
| Resumo |
State highway engineers realized a need for a numerical quality index and began planning for a research project of this type in 1951. The Present Serviceability Index was developed through the AASHO (now AASHTO) Road Test near Ottawa, Illinois, from 1956 to 1962.1 longitudinal profile and physical deterioration such as cracking, patching, and rut depth (for flexible pavements) were considered in deriving these Present Serviceability Index (PSI) equations |
| Formato |
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| Identificador |
http://publications.iowa.gov/22515/1/IADOT_IJK_Ride_Indicator_1976.pdf (1976) The IJK Ride Indicator, 1976. Transportation, Department of |
| Idioma(s) |
en |
| Relação |
http://publications.iowa.gov/22515/ |
| Palavras-Chave | #Pavements #Transportation #Roads and highways #Research #Design and Construction #Equipment #Maintenance and preservation |
| Tipo |
Departmental Report NonPeerReviewed |
