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Title:

SEAL COATING PRACTICE IN SASKATCHEWAN

Accession Number:

00472635

Record Type:

Component

Availability:

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Order URL: http://worldcat.org/isbn/309041163

Abstract:

Surface treatment utilizing seal coats is a relatively inexpensive method of maintaining a highway pavement surface. Saskatchewan policy requires that seal coats be applied to all pavement surfaces at intervals to delay the need for structural rehabilitation. Seals are used to prevent moisture penetration, arrest fatigue block deterioration, restore friction resistance, and stop ravel. The primary sealing materials used are graded aggregates and high float emulsified asphalts. Some chip sealing with rapid-setting cationic or rubber-modified asphalts have also been used. Performance and defect levels of seals are mainly related to construction quality and are a function of distributor condition, type of asphalt and aggregate, application rates, surface preparation, and construction of joints and the climatic conditions in which they are applied. Seal coats have served Saskatchewan well by deferring the need for more costly rehabilitation by increasing the life of pavement surfaces maintained and easing demands on cash flow.

Supplemental Notes:

Publication of this paper sponsored by Committee on Characteristics of Bituminous-Aggregate Combinations to Meet Surface Requirements. 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

Monograph Accession #:

01418832

Authors:

Scott, John L M

Pagination:

pp 140-146

Publication Date:

1986

Serial:

Transportation Research Record

Issue Number: 1096
Publisher: Transportation Research Board
ISSN: 0361-1981

Conference:

65th Annual Meeting of the Transportation Research Board

Location: Washington District of Columbia, United States
Date: 1986-1-13 to 1986-1-16

ISBN:

309041163

Media Type:

Print

Features:

Figures (3) ; References (4) ; Tables (2)

Old TRIS Terms:

Subject Areas:

Construction; Design; Finance; Geotechnology; Highways; Maintenance and Preservation; Materials; Pavements; I31: Bituminous Binders and Materials; I52: Construction of Pavements and Surfacings; I61: Equipment and Maintenance Methods

Files:

TRIS, TRB

Created Date:

Aug 31 1988 12:00AM

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