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Title:

EVALUATION OF PATCHING IN CONTINUOUSLY REINFORCED CONCRETE PAVEMENTS

Accession Number:

00310741

Record Type:

Component

Availability:

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Order URL: http://worldcat.org/isbn/0309029805

Abstract:

An evaluation of concrete patching in continuously reinforced concrete pavements (CRCP) located in Illinois was made. Problems in designing and constructing permanent concrete patches were identified; the costs of patching were estimated; and the performance of typical patches was evaluated. Illinois has constructed over 4827 two-lane Km (3000 miles) of CRCP, major portions of which are displaying increasing occurrence of distress that requires patching. Patches placed in recent years are performing inadequately. A survey of over 800 CRCP patches showed one-fourth requiring replacement and one-fifth requiring an adjoining patch. Constructing a typical 3x3.7-m (10x12-ft) patch is labor intensive, time consuming, and expensive. Between six and eight people can only place a patch a day at a cost of $1000-1600. The poor performance of many patches can be attributed to inadequate design specifications and poor construction techniques. The information in this paper can be used to improve the design specifications and construction techniques for CRCP patching. Many experimental patches have been placed and are being evaluated. (Author)

Supplemental Notes:

Publication of this paper sponsored by Committee on Pavement Maintenance. 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 #:

01411556

Authors:

Maxey, Darrell J
Darter, Michael I
Smiley, Scott A

Pagination:

pp 9-17

Publication Date:

1979

Serial:

Transportation Research Record

Issue Number: 727
Publisher: Transportation Research Board
ISSN: 0361-1981

ISBN:

0309029805

Media Type:

Print

Features:

Figures (13) ; Photos (3) ; References (4) ; Tables (1)

Subject Areas:

Construction; Highways; Maintenance and Preservation; Materials

Files:

TRIS, TRB

Created Date:

Aug 5 1980 12:00AM

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