Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
NCAT Test Track Design, Construction, and Performance
The primary objective of the test track was to provide an accelerated loading facility that could be used to rapidly test a large number of test sections simultaneously. This allows validation of laboratory tests and pavement design procedures under traffic similar to that which is observed on roadways. Based on the requirements of several sponsors several mini experiments were evaluated in the first cycle of testing. Some of the evaluations included: performance of fine graded vs. coarse graded mixes, effect of asphalt grade on performance, effect of aggregate type on performance, and performance of several mixture types including Superpave, SMA, and Open Graded Friction Courses. Other studies included the effect of grinding transverse joints on performance, effect of traffic on friction, permeability of various HMA mixtures, densification of HMA, and the effect of pavement smoothness on fuel consumption.
NCAT Test Track Design, Construction, and Performance
The primary objective of the test track was to provide an accelerated loading facility that could be used to rapidly test a large number of test sections simultaneously. This allows validation of laboratory tests and pavement design procedures under traffic similar to that which is observed on roadways. Based on the requirements of several sponsors several mini experiments were evaluated in the first cycle of testing. Some of the evaluations included: performance of fine graded vs. coarse graded mixes, effect of asphalt grade on performance, effect of aggregate type on performance, and performance of several mixture types including Superpave, SMA, and Open Graded Friction Courses. Other studies included the effect of grinding transverse joints on performance, effect of traffic on friction, permeability of various HMA mixtures, densification of HMA, and the effect of pavement smoothness on fuel consumption.
NCAT Test Track Design, Construction, and Performance
E. R. Brown (Autor:in) / L. A. Cooley (Autor:in) / D. Hanson (Autor:in) / C. Lynn (Autor:in) / B. Powell (Autor:in)
2002
76 pages
Report
Keine Angabe
Englisch
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