RESEARCH ON THE HYDRATION OF MAGNESIA-PHOSPHATE CEMENT

RESEARCH ON THE HYDRATION OF MAGNESIA-PHOSPHATE CEMENT

Magnesia-Phosphate Cement (MFC) is a new structural material that enables extremely high strength development that is not attainable through commonly used hydraulic materials. MFC can develop a working strength within an hour of the initiation of hydration. Unlike ordinary Portland cements, MFC hard...

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Veröffentlicht in:Journal of Structural and Construction Engineering (Transactions of AIJ) 2003/08/30, Vol.68(570), pp.7-13
Hauptverfasser: YOSHIZAKI, Yoshirou, MASUDA, Yoshihiro, MOTOURI, Masami
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Sprache:jpn
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hydration
Magnesia
Magnesia-phosphate cement
phosphate
repair
ultra-rapid-strength cement
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container_issue 570
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container_title Journal of Structural and Construction Engineering (Transactions of AIJ)
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creator YOSHIZAKI, Yoshirou
MASUDA, Yoshihiro
MOTOURI, Masami
description Magnesia-Phosphate Cement (MFC) is a new structural material that enables extremely high strength development that is not attainable through commonly used hydraulic materials. MFC can develop a working strength within an hour of the initiation of hydration. Unlike ordinary Portland cements, MFC hardens through the formation of crystal mixtures produced by the reaction of magnesia, phosphate and water systems. MFC can be mixed and placed like ordinary portland cement concrete. Since MFC has very good adhesion to concrete, a thermal coefficient of expansion almost equal to that of concrete, and no drying shrinkage without curing, it is ideal for use as a material for the emergency repair of concrete structures. Physical, chemical and crystographycal studies of MFC were conducted to gain an insight into its ultra-rapid strength development mechanisms.
doi_str_mv 10.3130/aijs.68.7_4
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1881-8153
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subjects hydration
Magnesia
Magnesia-phosphate cement
phosphate
repair
ultra-rapid-strength cement
title RESEARCH ON THE HYDRATION OF MAGNESIA-PHOSPHATE CEMENT
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