机制砂自密实混凝土的制备及性能研究

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中图分类号：TU528 文献标志码：A 文章编号：2095-2945（2025）25-0075-05

Abstract：Machine-madesandhaswideaplicationpotentialasfineaggegateofconcrete.Atpresent，systematicresearch onmachine-madesandself-compactingconcreteisstillinsuficient.Inthisstudymachine-madesandwasusedtocompletely replacenaturalsandtoprepareself-compactingconcrete.Theefectsoftheamountofcementitiousmaterial，limestonepowder， sandratioandwater-reducingagentontheworkingandmechanicalpropertiesofmachine-madesandself-compactingconcrete wereinvestigated.Theresearchresultsshowthattheprepared machine-madesandself-compacting concretenotonly shows excelentflowabilityandself-compacting，butalsohasgoodmechanicalproperties.Thisstudyprovidesexperimentalreferencend theoretical basis for the engineering application of machine-made sand self-compacting concrete.

Keywords：machine-made sand;self-compacting concrete;mix design;working properties; mechanical properties

传统混凝土难以满足现代工程的高标准和要求。（剩余4868字）