Analyses of the data led to the publication, in 1961, of the AASHO Interim Guides for Design of Rigid and Flexible Pavementsaquot;. After several years of use, the guide was revised in 1972, the new version being designated the AASHTO Interim Guide for Design of Pavement Structures. ... This relationship, sometimes referred to as aquot;Fourth Poweraquot; rule, has subsequently been verified by the research ofanbsp;...
|Title||:||Engineering 21st century highways|
|Author||:||Thomas A. Hall, American Society of Civil Engineers. Highway Division, California. Dept. of Transportation, United States. Federal Highway Administration|
|Publisher||:||Amer Society of Civil Engineers - 1989-05-01|