Volume 6, Issue 1 (July 1984)

    Resistance to Freezing and Thawing of Silica Fume Concrete

    CODEN: CCAOAD

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    Abstract

    The resistance to freezing and thawing of a concrete containing silica fume that was used during the construction of an experimental section on highway A25 in Montreal was done according to ASTM Test for Resistance of Concrete to Rapid Freezing and Thawing (C 666). The original mix was modified so that silica fume replaced three times its weight of cement.

    The use of silica fume did not create any particular problems as far as the air content and slump were concerned except perhaps that slightly higher losses were observed during the transportation in comparison to the regular mix. The 28- and 91-day compressive strength results proved that silica fume has been more active than three times its cement weight.

    The tests show that the resistance to freezing and thawing of the silica fume concrete was far superior to the plain concrete used for the completion of the project. The length increase and the absorption of the silica fume concrete were about or less than half of those observed with the regular mix. The durability factor of the silica fume concrete was 83 at the end of the test whereas the regular mix durability factor was only 68.


    Author Information:

    Vezina, D
    Ministère des transports, Central Laboratory of Quebec, Ste-Foy, Quebec

    Aïtcin, P-C
    Professor, Faculty of Applied Sciences, University of Sherbrooke, Sherbrooke, Québec


    Stock #: CCA10352J

    ISSN: 0149-6123

    DOI: 10.1520/CCA10352J

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    Author
    Title Resistance to Freezing and Thawing of Silica Fume Concrete
    Symposium , 0000-00-00
    Committee C09