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A platform for research: civil engineering, architecture and urbanism
Anti-solidification technology for fine aggregate from blast furnace slag
Fine aggregates of blast furnace slag have similar physical properties of natural sands and are used for concrete aggregates. The slag aggregates sometimes stick each other during storage because of the hydration reaction, which is inherent character of granulated blast furnace slag; therefore, anti-bonding agents are used to prevent the phenomenon. As new anti-bonding agents, derivative of sodium gluconate and sodium polyacrylate were studied. The safe storage term using new agents were extended more than twice of ordinal one. Outdoor piling test of the aggregate indicated that new agents prevent the consolidation over two months even during summer season. The effects of the agents on concrete properties were negligible.
Anti-solidification technology for fine aggregate from blast furnace slag
Fine aggregates of blast furnace slag have similar physical properties of natural sands and are used for concrete aggregates. The slag aggregates sometimes stick each other during storage because of the hydration reaction, which is inherent character of granulated blast furnace slag; therefore, anti-bonding agents are used to prevent the phenomenon. As new anti-bonding agents, derivative of sodium gluconate and sodium polyacrylate were studied. The safe storage term using new agents were extended more than twice of ordinal one. Outdoor piling test of the aggregate indicated that new agents prevent the consolidation over two months even during summer season. The effects of the agents on concrete properties were negligible.
Anti-solidification technology for fine aggregate from blast furnace slag
Aushärtungshemmende Technik für feine Zuschlagstoffe aus Hochofenschlacke
Titel japanisch
Kirihara, Tadasu (author) / Mitsufuji, Hiroyuki (author) / Takahashi, Tomoo (author) / Kinoshita, Mitsuo (author)
JFE Giho ; 33-37
2008
5 Seiten, 12 Bilder, 1 Tabelle, 5 Quellen
Article (Journal)
Japanese
SP-221-37: Anti-Solidification Technology for Fine Aggregate from Blast Furnace Slag
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Blast furnace slag as concrete aggregate
Engineering Index Backfile | 1931
Blast furnace slag as concrete aggregate
Engineering Index Backfile | 1931