Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Structural Design of Asphalt Pavements (Arizona)
The report presents findings to supplement the previous report on a new asphalt pavement design concept for Arizona. Laboratory studies of flexural fatigue showed the eleven field paving mixtures could be separated into four distinct groups. Examination of data obtained from a questionnaire and loadometer reports produce a simple procedure for estimating the load and number for each of 5 'design axles'. The study indicated a need to obtain tire inflation pressure and a separation of front axles from single axles in the standard 'W4' table. Dynaflect pavement deflection data showed their great dependence on the surface and base courses (K1) and much less dependence on subgrade (E3). A new procedure for determining compression fatigue and E3 for subgrade soils under repetitive loadings is suggested. The design procedure is illustrated with the new data obtained from the research.
Structural Design of Asphalt Pavements (Arizona)
The report presents findings to supplement the previous report on a new asphalt pavement design concept for Arizona. Laboratory studies of flexural fatigue showed the eleven field paving mixtures could be separated into four distinct groups. Examination of data obtained from a questionnaire and loadometer reports produce a simple procedure for estimating the load and number for each of 5 'design axles'. The study indicated a need to obtain tire inflation pressure and a separation of front axles from single axles in the standard 'W4' table. Dynaflect pavement deflection data showed their great dependence on the surface and base courses (K1) and much less dependence on subgrade (E3). A new procedure for determining compression fatigue and E3 for subgrade soils under repetitive loadings is suggested. The design procedure is illustrated with the new data obtained from the research.
Structural Design of Asphalt Pavements (Arizona)
R. A. Jimenex (Autor:in)
1975
132 pages
Report
Keine Angabe
Englisch
Structural Design of Asphalt Pavements (Arizona)
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