A Fundamental Study on the Determination of Optimal Mixing Ratio for Development of Standard Reference Materials for Concrete 


Vol. 34,  No. 5, pp. 111-118, Oct.  2019
10.14346/JKOSOS.2019.34.5.111


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  Abstract

Recently, a variety of special concrete structures have been designed in domestic and overseas construction markets and more advanced construction technology is required. Therefore, it is necessary to secure quantitative construction technology. For this purpose, it is essential to develop a standard reference material having a constant flow performance and quality to evaluate quantitative performance. On the other hand, the flowability of the concrete is greatly influenced by the flowability of the cement paste. Also, in consideration of design strength and workability, mix design is carried out at various mixing ratios according to the purpose of the site. Therefore, in this study, based on the derived components of standard reference materials for cement paste, we suggested mixing ratio of standard reference materials that can uniformly simulate the flow characteristics of cement paste according to W/C. As a result, it was found that the yield stress was determined by the ratio of water and glycerol but plastic viscosity was controled by limestone content. Finally, the ratio of standard reference materials to simulate the rheological range of cement paste by W/C was suggested.

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  Cite this article

[IEEE Style]

이동규 and 최명성, "A Fundamental Study on the Determination of Optimal Mixing Ratio for Development of Standard Reference Materials for Concrete," Journal of the Korean Society of Safety, vol. 34, no. 5, pp. 111-118, 2019. DOI: 10.14346/JKOSOS.2019.34.5.111.

[ACM Style]

이동규 and 최명성. 2019. A Fundamental Study on the Determination of Optimal Mixing Ratio for Development of Standard Reference Materials for Concrete. Journal of the Korean Society of Safety, 34, 5, (2019), 111-118. DOI: 10.14346/JKOSOS.2019.34.5.111.

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