Performance Assessment of Warm Mix Asphalt (WMA) Pavements : Executive Summary Report

Sargand, Shad M.; Figueroa, J. Ludwig; Ohio. Dept. of Transportation. Office of Research and Development

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Performance Assessment of Warm Mix Asphalt (WMA) Pavements : Executive Summary Report

Published Date:

2009-09-01

Language:

English

[PDF-152.40 KB]

Details:

Creators:

Sargand, Shad M. ; Figueroa, J. Ludwig ;

Corporate Creators:

Ohio. Dept. of Transportation. Office of Research and Development

Subject/TRT Terms:

[+]

Publication/ Report Number:

FHWA/OH-2009/08

Resource Type:

Tech Report

Geographical Coverage:

Ohio

Edition:

Executive summary report.

Corporate Publisher:

Ohio. Dept. of Transportation. Office of Research and Development

NTL Classification:

NTL-HIGHWAY/ROAD TRANSPORTATION-Materials ; NTL-HIGHWAY/ROAD TRANSPORTATION-Pavement Management and Performance ;

Abstract:

Warm Mix Asphalt (WMA) is a new technology which was introduced in 1995 in Europe. WMA is gaining attention all over the world because it offers several advantages over conventional asphalt concrete mixes. The benefits include: (1) Reduced energy consumption in asphalt mixture production process; (2) Reduced emissions, fumes, and undesirable odors; (3) More uniform coating of aggregate with binder, which should reduce surface aging; and (4) Extended construction season in temperate climates. WMA requires the use of additives to reduce the temperature of production and compaction of asphalt mixtures. WMA technologies include: Aspha-min, the addition of sodium aluminum silicate or zeolite to the asphalt mix; Sasobit, the addition of a paraffin-wax compound extracted from coal gasification; Evotherm, the addition of an emulsion to improve the coating and workability of WMA mixes.

Format:

PDF

Funding:

134312

Collection(s):

US Transportation Collection

Main Document Checksum:

[+]

Supporting Files:

No Additional Files

No Related Documents.

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