A pavement management research program for Oregon highways : interim report.
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1985-03-01
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Abstract:This is the first in a series of reports documenting progress on a statewide pavement management research project. The overall project is conducting research into pavement life cycles of different rehabilitation treatment; the cost-effectiveness of each treatment; and, the use of deflection, percent cracks, percent patches, and rut depth in a statewide pavement management system.
This report describes the project history and previous work conducted to date, as well as the scope of work of the present project. A brief discussion of literature review results is provided.
The major emphasis of this report is a description of the pavement deflection data collection program--a statewide effort which monitors more than 1000 test sites once every two years. Data collected for the correlation of Benkelman beam deflection to Dynaflect deflection is analyzed and an equation relating the two is proposed for use in Oregon. Data collected for developing a Dynaflect deflection temperature correction factor (normalized to 70 degrees Fahrenheit) is described.
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