This paper introduced the characteristics of self compacting concrete,elaborated the configuration principle and application technology regulation of self compacting concrete,discussed its application in high speed railway,in view of the existing problems in the application process, proposed the solution,encouraged the widely using of self compacting concrete in building construction field.%介绍了自密实混凝土的性能特点，阐述了自密实混凝土的配制原理以及应用技术规程，并就其在高速铁路中的应用情况进行探讨，针对在应用过程中存在的问题，提出了解决方案，促使自密实混凝土在建筑施工领域的更广泛应用。
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