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Experimental Research of Concrete Resistance to Freezing-Thawing by Double Mixing Steel Slag
This work is aimed at resistance to durability of steel slag concrete containing different kinds of steel slag based on maximum utilization of industrial waste residue. The experimental investigation is conducted to study the resistance property to freezing-thawing of concrete which containing steel slag aggregate (SSA), steel slag powder (SSP) and ground granulated blast furnace slag powder (GSP) respectively. One of the specimens is made of ordinary concrete without steel slag as baseline group, the other three concrete specimens are fabricated with the utilization of SSA, and the replacement level is 25%, in combination with 30% SSP or 30% SSP/20% GSP by total binder content. The durable property of steel slag concrete in this study is freezing-thawing resistance, microscopic properties are analyzed by SEM and XRD tests. Experimental results indicate that the concrete which SSA replacement level is 25%, and in combination with 30% SSP and 20% GSP, resistance property of freezing-thawing is superior to baseline group, total dosage of steel slag achieved to 55%. And the mechanism of combined action by adding steel slag is discussed in this paper.
Experimental Research of Concrete Resistance to Freezing-Thawing by Double Mixing Steel Slag
This work is aimed at resistance to durability of steel slag concrete containing different kinds of steel slag based on maximum utilization of industrial waste residue. The experimental investigation is conducted to study the resistance property to freezing-thawing of concrete which containing steel slag aggregate (SSA), steel slag powder (SSP) and ground granulated blast furnace slag powder (GSP) respectively. One of the specimens is made of ordinary concrete without steel slag as baseline group, the other three concrete specimens are fabricated with the utilization of SSA, and the replacement level is 25%, in combination with 30% SSP or 30% SSP/20% GSP by total binder content. The durable property of steel slag concrete in this study is freezing-thawing resistance, microscopic properties are analyzed by SEM and XRD tests. Experimental results indicate that the concrete which SSA replacement level is 25%, and in combination with 30% SSP and 20% GSP, resistance property of freezing-thawing is superior to baseline group, total dosage of steel slag achieved to 55%. And the mechanism of combined action by adding steel slag is discussed in this paper.
Experimental Research of Concrete Resistance to Freezing-Thawing by Double Mixing Steel Slag
Shang, Jian-Li (author) / Li, Xiang (author)
2013
6 Seiten
Conference paper
English
Experimental Research of Concrete Resistance to Freezing-Thawing by Double Mixing Steel Slag
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