Dynamic Pavement Deflections

by Gary W. Sharpe, Research Engr. Principal; Div. of Research, Bureau of Highways, Dept. of Transportation, 533 South Limestone, Lexington, Ky. 40508,
Robert C. Deen, (F.ASCE), Asst. Dir.; Div. of Research, Bureau of Highways, Dept. of Transportation, 533 South Limestone, Lexington, Ky. 40508,
Herbert F. Southgate, Research Engr. Chf.; Div. of Research, Bureau of Highways, Dept. of Transportation, 533 South Limestone, Lexington, Ky. 40508,


Serial Information: Transportation Engineering Journal of ASCE, 1981, Vol. 107, Issue 2, Pg. 167-181


Document Type: Journal Paper

Abstract: In 1977 a methodology was developed to evaluate pavement performance using dynamic (Road Rater) deflections. Since then, additional research has resulted in modifying the procedures. The procedures presently used to evaluate flexible pavement structures are explored, and background information is included on various procedures used by others. A sample set of data is presented and evaluated. A key to the adequate design of an overlay for any pavement structure is to be able to determine reasonable values for design parameters that represent the condition of the existing pavement. A discussion is included on how the analyses of dynamic pavement deflections can be used to design overlays and to manage pavements.

Subject Headings: Pavement deflection | Pavement design | Pavement overlays | Dynamic analysis | Highways and roads | Asphalt pavements | Information management

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