Concrete Journal
Online ISSN : 2186-2753
Print ISSN : 0387-1061
ISSN-L : 0387-1061
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Volume 24, Issue 2
Displaying 1-4 of 4 articles from this issue
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  • Chemical Soil Stabilization with Industrial By-Products
    K. Torii, M. Kawamura, S. Hasaba
    1986 Volume 24 Issue 2 Pages 8-17
    Published: February 01, 1986
    Released on J-STAGE: April 26, 2013
    DOIhttps://doi.org/10.3151/coj1975.24.2_8
    JOURNAL FREE ACCESS
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    Recently, chemical soil stabilizations are actively adopted for the improvement of the soft ground on which the road and the foundation for offshore structures will be constructed. The industrial by-products such as gypsum, coal ashes, blastfurnace slag and basic oxygen furnace slag can be used effectively for the soil stabilization. In this paper, the characteristics of soil stabilizations with various industrial by-products are discussed from the viewpoints of the types of reaction products which are responsible for the development of strength in the stabilized soils.
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  • Crack of Steel Bridge Deck Slabs and That Control by Using Expansive Concrete
    Follow-up Study of Nagasaki Expressway's Tarami Bridge
    T. Toyofuku, I. Nishida, H. Tsurukubo
    1986 Volume 24 Issue 2 Pages 18-29
    Published: February 01, 1986
    Released on J-STAGE: April 26, 2013
    DOIhttps://doi.org/10.3151/coj1975.24.2_18
    JOURNAL FREE ACCESS
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    Expansive concrete was applied as a measure to prevent further crack damage in the highway bridge reinforced concrete deck slabs of the Tarami Bridge along the Nagasaki Expressway. Strain, drying shrinkage, and condition of crack production of the concrete deck slabs were investigated over two years and a half. Results are summarized here. Consequentially, it was confirmed that expansive concrete deck slabs crack less than those of normal concrete and that the important causes of crack was the restraint of main girder against the deck slabs warping originated from the temperature change and the drying shrinkage.
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  • [title in Japanese]
    [in Japanese], [in Japanese]
    1986 Volume 24 Issue 2 Pages 30-32
    Published: February 01, 1986
    Released on J-STAGE: April 26, 2013
    DOIhttps://doi.org/10.3151/coj1975.24.2_30
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    [in Japanese], [in Japanese]
    1986 Volume 24 Issue 2 Pages 56-62
    Published: February 01, 1986
    Released on J-STAGE: April 26, 2013
    DOIhttps://doi.org/10.3151/coj1975.24.2_56
    JOURNAL FREE ACCESS
    Download PDF (1138K)
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