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Influence of Slag Fineness on High-Performance Concrete Properties
This research focuses on investigating the high performance concrete containing slag with different fineness and dosage. For this purpose, the workability, compressive strength at different ages, and chloride ion penetration were investigated, with slag surface area 420m²/kg, 530m²/kg, 610m²/kg, and 720m²/kg, and replacement percentage 0%, 20%, 40%, and 60%, respectively. It was found that the workability and chloride ion penetration resistance were affected by the fineness and dosage of slag. The 7-day compressive strength decreased with slag replacement increasing when the fineness of slag is lower than 530m²/kg, and 28-day and 56-day compressive strength increased; For the fineness higher than 530m²/kg, the 7-day compressive strength is higher than that of control concrete, when the slag replacement was 40%, the concrete reached the highest value, and the 28-day and 56-day compressive strength increased with slag incorporation.
Influence of Slag Fineness on High-Performance Concrete Properties
This research focuses on investigating the high performance concrete containing slag with different fineness and dosage. For this purpose, the workability, compressive strength at different ages, and chloride ion penetration were investigated, with slag surface area 420m²/kg, 530m²/kg, 610m²/kg, and 720m²/kg, and replacement percentage 0%, 20%, 40%, and 60%, respectively. It was found that the workability and chloride ion penetration resistance were affected by the fineness and dosage of slag. The 7-day compressive strength decreased with slag replacement increasing when the fineness of slag is lower than 530m²/kg, and 28-day and 56-day compressive strength increased; For the fineness higher than 530m²/kg, the 7-day compressive strength is higher than that of control concrete, when the slag replacement was 40%, the concrete reached the highest value, and the 28-day and 56-day compressive strength increased with slag incorporation.
Influence of Slag Fineness on High-Performance Concrete Properties
Liu, Hui (author) / Leng, Yuan-Bao (author) / Song, Wan-Zeng (author) / Bi, Sheng (author)
2012
5 Seiten
Conference paper
English
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