USE OF FLY ASH IN CONCRETE PAVEMENT CONSTRUCTED IN NEBRASKA
AN EXPERIMENTAL CONCRETE ROAD ABOUT 6 MILES LONG WAS CONSTRUCTED IN 1950 AND ANOTHER IN 1951. BOTH INCORPORATED FLY-ASH AS REPLACEMENT FOR SOME OF THE CEMENT ON CERTAIN SECTIONS. MATERIALS, CONSTRUCTION AND TESTS ARE DESCRIBED. CONCRETE CONTAINING FLY-ASH HAD SLIGHTLY LOWER STRENGTHS AT EARLY AGES THAN SIMILAR CONCRETE NOT CONTAINING FLY-ASH BUT AT LATER AGES THE FLY-ASH CONCRETE HAD THE HIGHER STRENGTHS. THE FLY-ASH INCREASED THE DURABILITY IN FREEZING AND THAWING OF CONCRETE HAVING A SAND-GRAVEL AGGREGATE, AND INHIBITED EXPANSION AND MAP-CRACKING RESULTING FROM CEMENT-AGGREGATE REACTION. REPLACEMENT OF SOME OF THE GRAVEL BY CRUSHED LIMESTONE AGGREGATE ALSO INHIBITED EXPANSION. ALL SECTIONS CONSTRUCTED WITH 165 LB OR MORE OF FLY ASH PER CUBIC YARD OF CONCRETE ARE IN BETTER CONDITION THAN SIMILAR CONCRETE WITHOUT FLY ASH.
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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.
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Authors:
- Sutton, Charles A
- Publication Date: 1965
Media Info
- Media Type: Digital/other
- Features: Figures; References; Tables;
- Pagination: pp 13-25
- Monograph Title: Symposium on fly ash in concrete
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Serial:
- Highway Research Record
- Issue Number: 73
- Publisher: Highway Research Board
Subject/Index Terms
- TRT Terms: Admixtures; Aggregates; Cement; Concrete; Concrete pavements; Crushed limestone; Durability; Expansion; Experimental roads; Fly ash; Freeze thaw tests; Gravel; Sand; Surfacing
- Geographic Terms: Nebraska; United States
- Old TRIS Terms: Inhibition
- Subject Areas: Geotechnology; Highways; Materials; Pavements;
Filing Info
- Accession Number: 00212194
- Record Type: Publication
- Files: TRIS, TRB
- Created Date: Nov 18 1994 12:00AM