Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Premature AC Pavement Distress. District 2 Investigation. Interim Report
In District 02, cases of premature pavement distress have recently occurred. The distress has mainly manifested in the form of cracking. Field observations and laboratory tests indicated that the primary cause of distress is moisture induced damage (stripping). Sections that showed more severe stripping were those that received a chip seal treatment, had an asphalt concrete (AC) overlay over an existing chip seal, or were constructed with pavement reinforcing fabrics. Various laboratory tests were conducted including the Moisture Induced Damage Test (AASHTO T283), mix densities (CT 308-C), surface abrasion (CT 360), and moisture vapor susceptibility (CT 307). It was concluded that using lime in the form of a slurry and lowering the level of air voids could minimize stripping. Also, among the tests evaluated, AASHTO T283 appears to have the best potential to evaluate moisture susceptible mixes.
Premature AC Pavement Distress. District 2 Investigation. Interim Report
In District 02, cases of premature pavement distress have recently occurred. The distress has mainly manifested in the form of cracking. Field observations and laboratory tests indicated that the primary cause of distress is moisture induced damage (stripping). Sections that showed more severe stripping were those that received a chip seal treatment, had an asphalt concrete (AC) overlay over an existing chip seal, or were constructed with pavement reinforcing fabrics. Various laboratory tests were conducted including the Moisture Induced Damage Test (AASHTO T283), mix densities (CT 308-C), surface abrasion (CT 360), and moisture vapor susceptibility (CT 307). It was concluded that using lime in the form of a slurry and lowering the level of air voids could minimize stripping. Also, among the tests evaluated, AASHTO T283 appears to have the best potential to evaluate moisture susceptible mixes.
Premature AC Pavement Distress. District 2 Investigation. Interim Report
S. R. Shatnawi (Autor:in)
1995
111 pages
Report
Keine Angabe
Englisch
Highway Engineering , Construction Equipment, Materials, & Supplies , Bitminous concrete pavements , Pavement overlays , Pavement damage , Highway construction , Road materials , Pavement conditions , Tensile tests , Asphalt pavements , Reinforcing materials , Asphalts , Moisture content , Cracking(Fracturing) , California
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