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Evaluation methods for porous asphalt pavement in service for fourteen years

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Title: Evaluation methods for porous asphalt pavement in service for fourteen years
Authors: Moriyoshi, Akihiro Browse this author →KAKEN DB
Jin, Toshiro Browse this author
Nakai, Takaaki Browse this author
Ishikawa, Hiroshi Browse this author
Keywords: Long life pavement
Porous asphalt
Evaluation method
Three dimensional crack analyses
Micro-focus CT scanner
Wheel tracking test
No movement of aggregate
Issue Date: 2013
Publisher: Elsevier
Journal Title: Construction and Building Materials
Volume: 42
Start Page: 190
End Page: 195
Publisher DOI: 10.1016/j.conbuildmat.2012.12.070
Abstract: This paper describes the evaluation methods for porous asphalt in Kyoto Jukan Expressway with long life. It was examined by photography on pavement surface, water permeability test in the fields and three dimensional crack analyses in porous asphalt. Even if the rutting depth in porous asphalt was smaller than 2 mm at high temperature, the aggregate in porous asphalt moved and it affected to the damage of lower layers. Those evaluation methods are useful for long life of porous asphalt and the properties of binder, composition and the figure of crushed stone also affected to life of porous asphalt. It was concluded a long life of porous asphalt connected to the movement of aggregate and it caused to large strain in porous asphalt and it caused to many cracks in porous asphalt. The three dimensional crack analyses can evaluate the damage of each layer in porous asphalt.
Description: Technical Note
Type: article (author version)
Appears in Collections:工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 森吉 昭博

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