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http://dx.doi.org/10.11112/jksmi.2012.16.6.056

Mechanical Properties of Ultra High Strength Concrete Using Ternary Blended Cement  

Kim, Jin Bong (강원대 대학원)
Shin, Ki Su (강원대 대학원)
Park, Ki Bong (강원대 건축공학과)
Publication Information
Journal of the Korea institute for structural maintenance and inspection / v.16, no.6, 2012 , pp. 56-62 More about this Journal
Abstract
The results presented in this paper form part of an investigation into the optimization of a ternary blended cementitious system based on ordinary Portland cement (OPC)/blast furnace slag(BFS)/fly ash(FA) for the development of ultra high strength concrete. Concrete covering a wide range of BFS/FA blending proportions were investigated. Compressive strength at the ages of 3, 7 and 28 days for concrete specimens containing 0%, 10%, 20% and 30%FA along with 0%, 30%, 40% and 50%BFS as partial cement replacement at a water-binder ratio of 0.18 were investigated. Tests on porosity and pore size distribution were conducted using mercury intrusion porosimetry. The results show that the combination of FA10 and BFS30 can improve both short- and long-term properties of concrete as results of reducing of pores larger than 50nm.
Keywords
Ternary Blended cement; High strength concrete; Compressive strength; Porosity;
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