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http://dx.doi.org/10.4334/JKCI.2005.17.1.035

Influence of Constitute Factor on the Compressive Strength of Ultra-High Strength Steel Fiber Reinforced Cementitious Composites  

Park Jung-Jun (Dept of Structure Research Korea Institute of Construction Technology)
Koh Kyung-Taek (Dept of Structure Research Korea Institute of Construction Technology)
Kang Su-Tae (Dept of Structure Research Korea Institute of Construction Technology)
Kim Sung-Wook (Dept of Structure Research Korea Institute of Construction Technology)
Publication Information
Journal of the Korea Concrete Institute / v.17, no.1, 2005 , pp. 35-41 More about this Journal
Abstract
Recently, various fiber reinforced cementitious composites are used in order to solve problems of concrete as the brittleness breaking. Especially, in U.S.A., Europe, and Japan, ultra-high strength steel fiber reinforced cementitious composites(ultra-high strength SFRCC) with compressive strength in excess of 100 MPa were developed. However few studies have been investigated on the high-strength SFRCC in Korea. Therefore, in this paper, to make ultra-high strength SFRCC with the range of compressive strength 180MPa, it was investigated the constitute factors of ultra-high strength SFRCC influenced on the compressive strength. The experimental variables were water-binder ratio, replacement of silica fume, size and proportion of sand, type and replacement of filling powder, and using of steel fiber in ultra-high strength SFRCC. As a result, in water-binder ratio 0.20, we could make ultra-high strength SFRCC with compressive strength of 180MPa through using of silica fume, quartz sand with below 0.5mm filling powder and steel fiber.
Keywords
ultra-high strength; steel fiber; cementitious composite; compressive strength of 180MPa;
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