Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Construction and Performance of Two Base-Course Test Roads
Following up on recommendations made at the completion of the AASHO Road Test, New York initiated two satellite studies to relate local conditions and performance to those of the Road Test site for flexible pavements. One study dealt with existing pavements and compared performance and service life to design and environmental variables. The second attempted to determine the structural capacity equivalence of several materials and is discussed in this report. The study involved a very comprehensive test pavement completed in 1972 and a very simple one constructed in 1976. The former consisted of 24 500-ft test sections, full-width across four lanes. The second pavement consisted of one section where the base course was reduced in thickness. On the larger site, four base types were each constructed in three thicknesses and each of the 12 designs was replicated. During construction, all courses were sampled for lab testing and also tested in-place. Performance measurements were made annually for several years, then every few years until 1980 when there was considerable distress.
Construction and Performance of Two Base-Course Test Roads
Following up on recommendations made at the completion of the AASHO Road Test, New York initiated two satellite studies to relate local conditions and performance to those of the Road Test site for flexible pavements. One study dealt with existing pavements and compared performance and service life to design and environmental variables. The second attempted to determine the structural capacity equivalence of several materials and is discussed in this report. The study involved a very comprehensive test pavement completed in 1972 and a very simple one constructed in 1976. The former consisted of 24 500-ft test sections, full-width across four lanes. The second pavement consisted of one section where the base course was reduced in thickness. On the larger site, four base types were each constructed in three thicknesses and each of the 12 designs was replicated. During construction, all courses were sampled for lab testing and also tested in-place. Performance measurements were made annually for several years, then every few years until 1980 when there was considerable distress.
Construction and Performance of Two Base-Course Test Roads
J. M. Vyce (Autor:in)
1985
50 pages
Report
Keine Angabe
Englisch
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