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Replacing cement clinker with industrial high-activity solid waste minerals has been shown to be one of the most effective ways to reduce the cost of concrete manufacturing and reduce carbon emissions. Green high-performance concreteHigh-performance concrete (HPC) was prepared by partially replacing cement (C) with high-activity activated silica fume (AS) and blast furnace slag powderBlast furnace slag powder (BFS) to study the effect of high-activity AS and BFS on the mechanical propertiesMechanical properties of HPC specimens, and to explore the mechanism of action by analyzing the micromorphological and structural characteristics of HPC. The results indicate that under standard curing conditions with a water-cement ratio of 0.18 and an (AS + BFS)/(AS + BFS + C) ratio of 14%, the net mortar specimen achieves a flexural strength of 13.2 MPa and a compressive strengthCompressive strength of 74.3 MPa. Similarly, the mortar specimen exhibits a flexural strength of 13.5 MPa and a compressive strengthCompressive strength of 80.1 MPa.

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Study on the Effect of High Active Solid Waste Mineral Admixture on Mechanical Properties of High-Performance Concrete

  • 会议论文

  • 发表日期：

    2025年

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  • Gang Du,
  • Bo Gao,
  • CanHua Li,
  • Jiamao Li,
  • Lanyue Zhang

摘要

Replacing cement clinker with industrial high-activity solid waste minerals has been shown to be one of the most effective ways to reduce the cost of concrete manufacturing and reduce carbon emissions. Green high-performance concreteHigh-performance concrete (HPC) was prepared by partially replacing cement (C) with high-activity activated silica fume (AS) and blast furnace slag powderBlast furnace slag powder (BFS) to study the effect of high-activity AS and BFS on the mechanical propertiesMechanical properties of HPC specimens, and to explore the mechanism of action by analyzing the micromorphological and structural characteristics of HPC. The results indicate that under standard curing conditions with a water-cement ratio of 0.18 and an (AS + BFS)/(AS + BFS + C) ratio of 14%, the net mortar specimen achieves a flexural strength of 13.2 MPa and a compressive strengthCompressive strength of 74.3 MPa. Similarly, the mortar specimen exhibits a flexural strength of 13.5 MPa and a compressive strengthCompressive strength of 80.1 MPa.