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Title:

Recycling in Japan

Accession Number:

01543438

Record Type:

Component

Availability:

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Order URL: http://worldcat.org/issn/00978515

Abstract:

In Japan asphalt concrete has been recycled since 1970s, and present recycling ratio is close to 100%. This paper describes the history of recycling in Japan, and its technical highlights. The first technical standard was published in 1984, and various recycling methods have been applied such as plant recycling, on-site base course recycling, and on-site surface course recycling. Most popular recycling method is plant recycling in Japan now, and there are two technical highlights which are rejuvenator and secondary drier. Plant recycling method is widely expanded in Japan, and recycled asphalt concrete has been recommended to utilize by law since 2000. Recycling is regarded to be ecological because it can save natural resources. In terms of CO2 emission, on-site recycling is proved to be most ecological by some simulation result. Byproducts from other area such as steel slag are partially used as pavement material. Especially, steel slag has been used since 1980s. Durability of these byproducts is, of course, very important, while environmental safety sometimes becomes most critical matter for the use of these materials. For example, in case of molten slag, there is a great concern to contained heavy metal, which causes water pollution. In case of byproducts use, environmental issue is a most important problem to be solved.

Monograph Accession #:

01543436

Language:

English

Authors:

Kubo, Kazuyuki

Pagination:

pp 60-66

Publication Date:

2014-10

Serial:

Transportation Research Circular

Issue Number: E-C188
Publisher: Transportation Research Board
ISSN: 0097-8515

Conference:

Application of Reclaimed Asphalt Pavement and Recycled Asphalt Shingles in Hot-Mix Asphalt: National and International Perspectives on Current Practice

Location: Washington District of Columbia, United States
Date: 2014-1-12 to 2014-1-12
Sponsors: Transportation Research Board

Media Type:

Web

Features:

Figures; Photos; References

Geographic Terms:

Japan

Subject Areas:

Highways; Materials; Pavements; I31: Bituminous Binders and Materials; I52: Construction of Pavements and Surfacings

Files:

TRIS, TRB, ATRI

Created Date:

Nov 13 2014 1:54PM

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