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Title:

LONGITUDINAL AND TRANSVERSE CONTROL FOR BITUMINOUS PAVERS

Accession Number:

00219323

Record Type:

Component

Abstract:

PROJECTS AMOUNTING TO APPROXIMATELY 67 MILES OF ASPHALTIC CONCRETE ON NEW BASE, 92 MILES OF ASPHALTIC CONCRETE OVERLAY ON OLD SURFACE, AND 277 MILES OF BITUMINOUS MAT OVERLAY ON OLD SURFACE WERE PLACED UNDER CONTRACT IN KANSAS DURING 1958. THE MATERIALS FOR THESE PROJECTS WERE MIXED IN HOT-MIX PLANTS AND PLACED ON THE ROAD THROUGH BITUMINOUS PAVERS. BECAUSE OF THE LIMIT WHICH BITUMINOUS PAVERS CAN LEVEL OR SMOOTH A ROAD SURFACE, THE PROBLEM OF PLACING THE MIXTURE TO A SMOOTH GRADE LINE WITH A TRUE CROWN CONFRONTS BOTH THE ENGINEER AND THE CONTRACTOR ON EACH PROJECT, PARTICULARLY ON OVERLAYS. WITH MODERN HIGH-SPEED TRAFFIC A SMOOTH GRADE LINE AND TRUE CROWN ARE MUSTS IN PAVEMENT CONSTRUCTION. THE DEVELOPMENT OF TWO ATTACHMENTS IS DESCRIBED THAT HAVE BEEN PLACED ON THE LEADING MAKES OF BITUMINOUS PAVERS AND HAVE BEEN SUCCESSFUL IN AIDING THE OPERATORS TO CAUSE THE PAVER SCREEDS TO FOLLOW A SMOOTH THEORETICAL GRADE LINE WITH A DEFINITE UNIFORM CROWN. THIS METHOD OF PAVING REQUIRES SEVERAL NORMAL OPERATIONS, SUCH AS ASCERTAINING A NEW GRADE LINE FROM THE ORIGINAL PROFILE AND THE USE OF PNEUMATIC- TIRED ROLLERS FOR COMPACTION. THIS METHOD OF PAVING REQUIRES LESS OVER-ALL WORK ON THE PART OF THE CONTRACTOR, BECAUSE THE SKIN PATCHING IN ALL CASES CAN BE REDUCED, AND IN SOME CASES ELIMINATED. /AUTHOR/

Supplemental Notes:

No 280, pp 13-22, 12 FIG 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 #:

01410665

Authors:

Drake, Frank M

Pagination:

10p

Publication Date:

1961

Serial:

Highway Research Board Bulletin

Issue Number: 280
Publisher: Highway Research Board

Conference:

39th Annual Meeting of the Highway Research Board

Location: Washington DC, United States
Date: 1960-1-11 to 1960-1-15
Sponsors: National Research Council

Media Type:

Digital/other

Uncontrolled Terms:

Crown (Pavements)

Old TRIS Terms:

Subject Areas:

Construction; Highways; Operations and Traffic Management; Vehicles and Equipment

Files:

TRIS, TRB

Created Date:

Aug 28 1994 12:00AM

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