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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: Scaling Resistance of Concrete by Automatic Temperature Control Method
Author(s): Y. Tsukinaga, M. Shoya, T. Hara and K. Otsuka
Publication: Special Publication
Appears on pages(s): 1511-1526
Keywords: Freezing; permeability; temperature control; tests.
Abstract:In this study, the applicability of the automatic temperature control method instead of the ASTM C 672 test, for the determination of the scaling resistance on various kinds of concrete specimens was examined, because the automatic control method will be profitable from the viewpoint of the elimination of labor such as the transfer of specimen in every required cycle. The scaling damage obtained from this modified method was almost equivalent to that of the conventional ASTM test method. Using this automatic method, the characteristics of scaling were investigated using the bottom or side surface of the specimen for the test surface instead of the conventional top surface. In addition, the effects of air content, water cement ratio, de-icing salts, curing condition and use of a permeable sheet were also studied. The relation between the mass of scaled-off particles and the visual rating was also obtained. Through the examination of the characteristics of scaling, the automatic temperature control method of modifying the conventional ASTM method was judged promising for assessing the scaling resistance in the presence of de-icer salts.
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