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Title:

Hot Recycling in the Netherlands

Accession Number:

01543442

Record Type:

Component

Availability:

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

Abstract:

This paper begins with giving a short state of the art with respect to hot-mix recycling in the Netherlands. It will be shown that high reclaimed asphalt (RA) percentages are used in most of the mixtures with the exception of porous asphalt concrete where only a limited amount of RA is allowed and stone mastic asphalt (SMA) in which no RA is allowed. Because of environmental reasons the amount of RA in new mixtures will increase further especially in porous asphalt concrete. Potential problems associated with these (very) high RA contents are identified and are subject to research. One of the problems might be damage to the virgin and RA binder because very high preheating temperatures of the virgin aggregates have to be used when using high RA contents. An extensive study on the stiffness and fatigue characteristics of mixtures produced by means of the double barrel drum (virgin aggregates are preheated in the inner drum to approximately 490°C) and the batch plant (RA is preheated in a parallel drum to approximately 130°C and the virgin aggregates in the drying drum to approximately 270°C) has shown that the very high preheating temperatures to be used in the double barrel mixing method do not damage to the stiffness and fatigue characteristics of the recycled mixture. Almost the same characteristics are obtained as those of batch plant produced mixtures.

Monograph Accession #:

01543436

Language:

English

Authors:

Molenaar, A A A
Mohajeri, M
van de Ven, M F C

Pagination:

pp 28-41

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; Tables

Geographic Terms:

Netherlands

Subject Areas:

Highways; Materials; Pavements; I30: Materials; I52: Construction of Pavements and Surfacings

Files:

TRIS, TRB, ATRI

Created Date:

Nov 13 2014 1:30PM

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