ALKALI-SILICA AND ALKALI-CARBONATE REACTIVITY OF SOME AGGREGATES FROM SOUTH DAKOTA, KANSAS, AND MISSOURI
TWO INVESTIGATIONS CONCERNING ALKALI-CARBONATE REACTIVITY COMPLETED AT THE WATERWAYS EXPERIMENT STATION ARE SUMMARIZED . THE INVESTIGATIONS WERE CONCERNED WITH AGGREGATES FROM SOUTH DAKOTA, KANSAS, AND MISSOURI. THE STRUCTURES FROM WHICH THE CONCRETE CORES WERE TAKEN ARE ALL LOCATED IN THE NORTHEASTERN QUADRANT OF KANSAS AND THE SOUTHEASTERN QUADRANT OF NEBRASKA. AN INSTANCE IS DESCRIBED IN WHICH ALKALI-SILICIA REACTION AND THE ALKALI-CARBONATE REACTION, DEDOLOMITIZATION, WERE FOUND TO HAVE OCCURRED IN THE SAME LABORATORY SPECIMENS, BUT THE ALKALI-SILICA REACTION WAS APPARENTLY CONFINED TO DOLOMITIC LIMESTONES AND WAS MANIFESTED IN THE DEVELOPMENT OF BRUCITE IN THE MORTAR SURROUNDING THE DOLOMITIC LIMESTONE PARTICLES. THE SECOND PART OF THE STUDY DESCRIBES SEVEN MORE COMPLICATED SITUATIONS INVOLVING FIELD CONCRETES THAT ALL CONTAINED FINE AGGREGATES CAPABLE OF SOME ALKALI-SILICA REACTION, AND CARBONATE COARSE AGGREGATES WITH AND WITHOUT DOLOMITE, AND WITH AND WITHOUT CHALCEDONIC CHERT. THE SECOND PART DEMONSTRATES THAT THE QUESTION OF BENEFICIAL EFFECTS OF THE ADDITION OF CARBONATE COARSE AGGREGATES TO THE SANDS AND SAND-GRAVELS OF THE KANSAS-NEBRASKA AREA IS A VERY COMPLEX ONE IN WHICH THE CHEMICAL REACTIVITY OF THE CARBONATE COARSE AGGREGATES MAY BE OF THE GREATEST SIGNIFICANCE.
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Supplemental Notes:
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Authors:
- Mather, Katharine
- Buck, Alan D
- Luke, Wilbur I
- Publication Date: 1964
Media Info
- Media Type: Print
- Features: Figures; References; Tables;
- Pagination: pp 72-109
- Monograph Title: Symposium on Alkali-Carbonate Rock Reactions
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Serial:
- Highway Research Record
- Issue Number: 45
- Publisher: Highway Research Board
Subject/Index Terms
- TRT Terms: Aggregates; Alkali aggregate reactions; Carbonate rocks; Chemical reactivity; Cherts; Coarse aggregates; Dolomite; Fine aggregates; Limestone; Sand
- Uncontrolled Terms: Brucite
- Geographic Terms: Kansas; Missouri; South Dakota
- Old TRIS Terms: Cement-aggregate reaction
- Subject Areas: Geotechnology; Highways;
Filing Info
- Accession Number: 00217428
- Record Type: Publication
- Files: TRIS, TRB
- Created Date: Jan 25 1994 12:00AM