USE OF DOMESTIC WASTE GLASS AS AGGREGATE IN BITUMINOUS CONCRETE
THE INCREASING AMOUNTS OF WASTE GLASS BEING GENERATED IN THE UNITED STATES ARE NECESSITATING THE DEVELOPMENT OF NEW METHODS FOR DISPOSAL OF THIS REFUSE COMPONENT. THE USE OF WASTE GLASS AS AN AGGREGATE IN BITUMINOUS CONCRETE WAS INVESTIGATED IN THIS STUDY. THE OBJECTIVES WERE TO DETERMINE WHETHER A MIXTURE USING GLASS AGGREGATE COULD BE DESIGNED THAT WOULD MEET MARSHALL TEST DESIGN CRITERIA, TO INVESTIGATE THE AMOUNT OF DEGRADATION OCCURRING IN THESE MIXTURES, AND TO DETERMINE THE WATER-RESISTANCE OF SUCH MIXTURES. WASTE GLASS WAS CRUSHED AND SCREENED INTO SEVERAL SIZE FRACTIONS, WHICH WERE THEN COMBINED TO GIVE A MAXIMUM DENSITY GRADATION. STANDARD MARSHALL DESIGN METHODS WERE USED TO DETERMINE STABILITY, FLOW, AND VOID PARAMETERS AT SEVERAL ASPHALT CONTENTS, AND TO DETERMINE AN OPTIMUM ASPHALT CONTENT SATISFYING MARSHALL DESIGN CRITERIA EXTRACTION TESTS WERE CONDUCTED ON SOME OF THE SPECIMENS TESTED, AND MECHANICAL ANALYSES OF THE RECOVERED AGGREGATE WERE USED TO ASSESS THE AMOUNT OF DEGRADATION OF THE AGGREGATE. STATIC STRIPPING TESTS WERE CONDUCTED ON SEVERAL COMBINATIONS OF GLASS AGGREGATES AND BITUMINOUS MSTERIALS. BITUMINOUS MIXTURES SATISFYING MARSHALL DESIGN CRITERIA CAN BE DESIGNED USING AGGREGATES COMPOSED ENTIRELY OF CRUSHED GLASS. SOME DEGRADATION OF THE GLASS AGGREGATE DOES OCCUR UNDER LABORATORY MIXING, COMPACTING, AND TESTING CONDITIONS, WITH GREATER DEGRADATION APPEARING TO BE ASSOCIATED WITH GRADATIONS DEVIATING FROM THOSE GIVING MAXIMUM DENSITY. SEVERE STRIPPING OCCURS WHEN THE GLASS-AGGREGATE BITUMINOUS CONCRETE WITH NO ANTISTRIPPING AGENT IS EXPOSED TO WATER. GLASS AGGREGATES COATED WITH ASPHALT CEMENTS CONTAINING ANTISTRIPPING AGENTS OR COATED WITH CATIONIC EMULSIONS DO NOT STRIP IN THE STATIC STRIPPING TEST. /AUTHOR/
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Supplemental Notes:
- Paper sponsored by Committee on Mineral Aggregates and presented at the 49th Annual Meeting. 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:
- Malisch, Ward R
- Day, Delbert E
- Wixson, Bobby G
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Discussers:
- Anderson, K O
- Publication Date: 1970
Media Info
- Media Type: Print
- Features: Figures; References; Tables;
- Pagination: pp 1-10
- Monograph Title: Synthetic aggregates and granular materials
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Serial:
- Highway Research Record
- Issue Number: 307
- Publisher: Highway Research Board
Subject/Index Terms
- TRT Terms: Aggregate gradation; Aggregates; Asphalt cement; Asphalt concrete; Asphalt content; Bituminous materials; Bituminous mixtures; Chemical analysis; Crushing; Density; Glass; Grading (Earthwork); Marshall test; Measurement; Mix design; Resource extraction; Stripping (Pavements); Testing; Waste products (Materials)
- Uncontrolled Terms: Extraction (Chemistry); Marshall mix design
- Old TRIS Terms: Degradation (Aggregate); Marshall stability marshall stability & flow test flow; Maximum density /gradation/
- Subject Areas: Geotechnology; Highways; Materials;
Filing Info
- Accession Number: 00211540
- Record Type: Publication
- Files: TRIS, TRB
- Created Date: Sep 21 1970 12:00AM