Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Many miles of stripped pavement need to be restored to a serviceable condition, but there is no accepted procedure to determine whether the pavement should remain in place or be removed during the rehabilitation process. The report describes the attempt to develop a methodology that employs a quantitative test to evaluate pavement layers. The indirect tensile test was used under various testing conditions to develop a deterioration curve for stripped pavement layers based on data from three field projects. The procedure will be valuable because it makes possible the evaluation of individual layers of asphalt, whereas for in situ strength tests such as those provided by deflection devices that employ dynamic field measurements, the asphalt layers are evaluated as a whole. Criteria defining minimum strengths necessitating removal are suggested. It is realized that these strength values may have to be changed as experience with the evaluation procedure is gained.
Many miles of stripped pavement need to be restored to a serviceable condition, but there is no accepted procedure to determine whether the pavement should remain in place or be removed during the rehabilitation process. The report describes the attempt to develop a methodology that employs a quantitative test to evaluate pavement layers. The indirect tensile test was used under various testing conditions to develop a deterioration curve for stripped pavement layers based on data from three field projects. The procedure will be valuable because it makes possible the evaluation of individual layers of asphalt, whereas for in situ strength tests such as those provided by deflection devices that employ dynamic field measurements, the asphalt layers are evaluated as a whole. Criteria defining minimum strengths necessitating removal are suggested. It is realized that these strength values may have to be changed as experience with the evaluation procedure is gained.
Assessment of Stripped Asphalt Pavement
G. W. Maupin (Autor:in)
1989
31 pages
Report
Keine Angabe
Englisch
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