New laboratory testing technique for asphalt concrete

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Journal titleTransportation Research Record : Asphalt Mixture Design
Pages3138; # of pages: 8
SubjectCement and Concrete; Roads/Pavement; Roads
AbstractPresent stripping mechanisms fail to specify the source of water necessary for stripping to start and progress with time. Finding the water source and route to the pavement interior is of great significance to efforts seeking a preventive measure against stripping. Investigation of the influence of construction-induced cracks, referred to as checking, on pavement resistance to stripping is reported. A new field-compaction technique was used to produce a crack-free, asphalt concrete surface that offered a much higher resistance to stripping than conventionally compacted surfaces. Cores recovered from field-compacted pavements were used throughout the investigation. The results of the experimental investigation indicated that compaction technique has a significant influence on the mix resistance to stripping. Vacuum saturation, used as part of the moisture conditioning procedure, has in the past obscured the influence of construction induced cracks on stripping susceptibility.
Publication date
PublisherWashington, D.C. : National Academy Press
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedNo
NRC number35222
NPARC number20393361
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Record identifier370f4448-b122-42a3-99f1-e1fb0f415c5b
Record created2012-07-26
Record modified2016-05-09
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