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本文阐述了配制粉煤灰超高强高性能混凝土的技术途径;应用粉煤灰掺料制成了坍落度>180mm,28d抗压强度>100MPa,365d强度>130MPa的流态粉煤灰超高强高性能混凝土;分析其火山灰效应以及粉煤灰与硅灰,粉煤灰与矿渣的复合效应。
In this paper, the technical route of preparing fly ash ultra-high-strength and high-performance concrete is described. Fly ash admixture is used to make ultra-high-strength fly ash with a slump of> 180mm, compressive strength of 28d> 100MPa and 365d strength of> 130MPa High-performance concrete; analysis of its volcanic ash effect and the composite effect of fly ash and silica fume, fly ash and slag.