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Title:

NORWEGIAN EXPERIENCE WITH USE OF MAGNESIUM CHLORIDE
Cover of NORWEGIAN EXPERIENCE WITH USE OF MAGNESIUM CHLORIDE

Accession Number:

00974869

Record Type:

Component

Availability:

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

Abstract:

The Norwegian study on the use of magnesium chloride started in 2001-2002 and has been going on for two winter seasons. The project will be reported finally in 2004 after the 2003-2004 season. The main goal of the magnesium chloride project was to verify how the amount of salt was affected by alternative salting methods and to study which possibilities magnesium chloride gave for operation at temperatures for which sodium chloride did not work. In addition it was an aim of the project to investigate the duration of an action and time to dry the road surface after salting with different chemicals. Solid sodium chloride prewetted with magnesium chloride liquid has been compared with the standard method, which is to use liquid sodium chloride as agent to solid salt. One of the hypotheses was that magnesium chloride in some circumstances resulted in slippery road conditions, because it is a hygroscopic salt. One of the purposes was therefore to study how different methods affect friction and friction development under varying winter road conditions. The development in friction can be an indicator on the effects that can be expected on the road conditions by use of different salting methods. The results after two winter seasons show some interesting tendencies toward less salt consumption with the method based on prewetting with magnesium chloride. However, there is some uncertainty in what way the friction is affected.

Supplemental Notes:

Distribution, posting, or copying of this PDF is strictly prohibited without written permission of the Transportation Research Board of the National Academy of Sciences. Unless otherwise indicated, all materials in this PDF are copyrighted by the National Academy of Sciences. Copyright © National Academy of Sciences. All rights reserved

Report/Paper Numbers:

E-C063,
SNOW04-005
SNOW04-039

Language:

English

Corporate Authors:

Transportation Research Board

500 Fifth Street, NW
Washington, DC 20001 United States

Authors:

Vaa, T

Pagination:

p. 516-528

Publication Date:

2004-6

Serial:

Transportation Research Circular

Issue Number: E-C063
Publisher: Transportation Research Board
ISSN: 0097-8515

Conference:

Sixth International Symposium on Snow Removal and Ice Control Technology

Location: Spokane, Washington
Date: 2004-6-7 to 2004-6-9
Sponsors: Transportation Research Board; Washington State Department of Transportation; American Association of State Highway and Transportation Officials; and Federal Highway Administration.

Features:

Figures (11) ; Photos (3) ; References (8) ; Tables (3)

Uncontrolled Terms:

Prewetting

Geographic Terms:

Norway

Subject Areas:

Highways; Maintenance and Preservation; I62: Winter Maintenance

Files:

TRIS, TRB

Created Date:

Jun 10 2004 12:00AM