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Advances in Materials Science and Engineering - Volume 2015 2015, Article ID 507018, 7 pages -

Research ArticleDepartment of Civil Engineering, Semyung University, Jecheon 390-711, Republic of Korea

Received 1 May 2015; Revised 28 June 2015; Accepted 29 June 2015

Academic Editor: Ana S. Guimarães

Copyright © 2015 Yun-Wang Choi et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

In the recent concrete industry, high-fluidity concrete is being widely used for the pouring of dense reinforced concrete. Normally, in the case of high-fluidity concrete, it includes high binder contents, so it is necessary to replace part of the cement through admixtures such as fly ash to procure economic feasibility and durability. This study shows the mechanical properties and field applicability of high-fluidity concrete using mass of fly ash as alternative materials of cement. The high-fluidity concrete mixed with 50% fly ash was measured to manufacture concrete that applies low water-binder ratio to measure the mechanical characteristics as compressive strength and elastic modulus. Also, in order to evaluate the field applicability, high-fluidity concrete containing high volume fly ash was evaluated for fluidity, compressive strength, heat of hydration, and drying shrinkage of concrete.





Autor: Yun-Wang Choi, Man-Seok Park, Byung-Keol Choi, and Sung-Rok Oh

Fuente: https://www.hindawi.com/



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