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    Effects of admixtures and alkali compounds on alkali aggregate reaction

    New search for: Okada, Kiyoshi
    New search for: Yoshikawa, Tohru
    New search for: Himeno, Motoji

    AbstractTests of mortar bar expansion are reported with bronzite andesite reactive aggregate found in Japan. The effects of chemical admixtures, sodium alkalis and of fly ash and slag on expansion are presented. Chemical admixtures appeared to reduce expansion whereas alkali compounds caused large expansion with sodium salts more aggressive than potassium salts. Fly ash and slag were found effective in controlling expansion.

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    Effects of admixtures and alkali compounds on alkali aggregate reaction

    New search for: Okada, Kiyoshi
    New search for: Yoshikawa, Tohru
    New search for: Himeno, Motoji

    AbstractTests of mortar bar expansion are reported with bronzite andesite reactive aggregate found in Japan. The effects of chemical admixtures, sodium alkalis and of fly ash and slag on expansion are presented. Chemical admixtures appeared to reduce expansion whereas alkali compounds caused large expansion with sodium salts more aggressive than potassium salts. Fly ash and slag were found effective in controlling expansion.

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    Check access
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    Effects of admixtures and alkali compounds on alkali aggregate reaction

    New search for: Okada, Kiyoshi
    New search for: Yoshikawa, Tohru
    New search for: Himeno, Motoji

    AbstractTests of mortar bar expansion are reported with bronzite andesite reactive aggregate found in Japan. The effects of chemical admixtures, sodium alkalis and of fly ash and slag on expansion are presented. Chemical admixtures appeared to reduce expansion whereas alkali compounds caused large expansion with sodium salts more aggressive than potassium salts. Fly ash and slag were found effective in controlling expansion.

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    Title:

    Effects of admixtures and alkali compounds on alkali aggregate reaction

    Contributors:

    Okada, Kiyoshi (author) / Yoshikawa, Tohru (author) / Himeno, Motoji (author)

    Published in:

    International Journal of Cement Composites and Lightweight Concrete ; 10 ; 205-208

    Publication date:

    1988-08-08

    Size:

    4 pages

    ISSN:

    0262-5075

    DOI:

    https://doi.org/10.1016/0262-5075(88)90049-8

    Type of media:

    Article (Journal)

    Type of material:

    Electronic Resource

    Language:

    English

    Keywords:

    Alkali aggregate reactions , chemical reactivity , expansion , cement replacements , fly ash , slags , admixtures , alkalis , sodium chloride , concrete durability , mortar bar tests

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