活性粉末混凝土性能研究与应用进展

Research and application progress of reactive powder concrete

近年来,活性粉末混凝土被广泛应用于各类工程领域,其具有高强度、高耐久性、低抗渗性、低脆性等特点。基于此,介绍了活性粉末混凝土的优势,从力学性能与工作性能方面进行分析,重点研究了不同水胶比、矿物掺合料种类与掺量、单掺与混掺纤维种类/掺量、养护方式对活性粉末混凝土性能的影响,阐述了活性粉末混凝土在桥梁、海防、军事、核工程等领域的应用,总结活性粉末混凝土在工程经验、技术规范与标准等方面有待深入研究。

This paper introduces the advantages of reactive powder concrete, analyzes it from the aspects of mechanical properties and working performance, and focuses on the effects of different water-binder ratios, types and dosages of mineral admixtures, fiber types and dosages, and curing methods. The influence of reactive powder concrete performance, the application of reactive powder concrete in bridges, coastal defense, military, nuclear engineering and other fields is expounded, and the engineering experience, technical specifications and standards of reactive powder concrete need to be further studied.