HISTORY AND DEVELOPMENT OF HIGH-PERFORMANCE CONCRETE IN JAPAN

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Title: HISTORY AND DEVELOPMENT OF HIGH-PERFORMANCE CONCRETE IN JAPAN

Author(s): Masahiro Ouchi, Anuwat Attachaiyawuth

Publication: TCA

Volume: 3

Issue: 2

Appears on pages(s): 1-7

Keywords: high performance concrete, self-compacting concrete, selfcompactability, flowability, air-enhanced self-compacting concrete

Date: 6/1/2015

Abstract:
The history of Japan’s high-performance concrete was summarized in this paper. The development of Japan’s high-performance concrete was started with the proposal for self-compacting concrete (SCC) by Okamura in 1986 and the completion of its proto type in 1988. Japan’s self-compacting concrete was inevitable high-performance/high-strength concrete due to its low water to cement/binder ratio. Because of its high cost due to high unit binder content, SCC has not been common in Japan with the share of around 0.1%. Following the situation, the authors have just developed an airenhanced SCC in which self-compactability can be enhanced by finer entrained air resulting in a unit binder content of less than 400 kg/m3 .


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