耐中性化性および耐塩害性に優れた鉄筋を有する水和硬化体およびその製造方法

Japanese Patent JP4796420

B2

To provide a hydrated hardened body having a reinforcing rod excellent in neutralization resistance and salt damage resistance which can made into a structure member having durability over a long period even under environmental conditions that neutralization is apt to progress.

The hydrated hardened body, which has with the reinforcing rod excellent in neutralization resistance and salt damage resistance at the inside, at least contains: one or more kinds selected from portland cement, blast furnace cement, fly ash cement and slaked lime; steel making slag; and blast furnace slag fine powder, and in which the value of äportland cement (kg/m3)+blast furnace cement (kg/m3)×0.6+fly ash cement (kg/m3)×0.85+slaked lime (kg/m3)} is ≥55kg/m3, and further, the reinforcing rod is composed of carbon steel comprising prescribed components and having weather resistance.

COPYRIGHT: (C)2008,JPO&INPIT

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Fishing Noro
Hisahiro Matsunaga
Kyono Kazuaki

JP2006097634A

October 19, 2011

March 31, 2006

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jfe Steel Corporation
Nippon Steel Corporation
SUMITOMO METAL INDUSTRIES,LTD.
KABUSHIKI KAISHA KOBE SEIKO SHO
Nisshin Steel Co., Ltd.
Japan Iron and Steel Federation

C04B28/04; C04B18/08; C04B18/14; C04B28/08; C04B28/12; C22C38/00; C22C38/16; C22C38/58; C04B111/22; C04B111/24; C04B111/26

JP2005298267A
JP2004292295A
JP2001270746A
JP2001322842A
JP2001261421A
JP2004299922A
JP2004301531A
JP2002047052A
JP10152364A
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JP2003165751A
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WO1999066093A1

Hiroaki Sakai

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