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New Test Method for Moisture Permeation in Bituminous Mixtures

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Title: New Test Method for Moisture Permeation in Bituminous Mixtures
Other Titles: 歴青系舗装の新しい透湿試験方法
Authors: Sasaki, Iwao1 Browse this author →KAKEN DB
Moriyoshi, Akihiro2 Browse this author →KAKEN DB
Hachiya, Yoshitaka3 Browse this author →KAKEN DB
Nagaoka, Noriyuki4 Browse this author
Authors(alt): 佐々木, 厳1
森吉, 昭博2
八谷, 好高3
永岡, 紀行4
Keywords: Bituminous mixture
Moisture damage
Moisture permeation
Issue Date: 2006
Publisher: Japan Petroleum Institute
Journal Title: Journal of the Japan Petroleum Institute
Volume: 49
Issue: 1
Start Page: 33
End Page: 37
Publisher DOI: 10.1627/jpi.49.33
Abstract: Water-related damage to bituminous pavement is considered to result from penetration of liquid water from the surface and/or subsurface. However, surface courses made of bituminous material such as runway pavements are usually not permeable for liquid water. Therefore, such phenomena may be caused by moisture vapor in the air. A new moisture permeation test apparatus was developed to analyze the mass transfer. Moisture permeation tests under typical hot summer conditions suggested that atmospheric moisture permeates and accumulates in bituminous mixtures through mass transfer by vapor diffusion despite the water impermeability of bituminous surface mixtures. The moisture permeation test provides an effective approach to analyze water storage mechanisms and moisture-related phenomena such as blistering in bituminous mixtures, although the test apparatus and condition settings require some improvement.
Description: Research Note
Type: article
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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