废旧钢纤维超高性能混凝土研究进展

Research progress of waste steel fiber ultra high performance concrete

回顾了超高性能混凝土的发展过程,对国内外超高性能混凝土研究进展进行介绍,并对钢纤维在超高性能混凝土中的应用研究情况进行综述。近年来,我国在基础理论研究和工程应用方面有了快速进展。在UHPC中加入钢纤维,能够有效克服其韧性差、脆性大的缺点,同时改善其他方面的性能;在UHPC中加入废旧钢纤维是一种有效的环保措施,扩展了废旧钢纤维类制品循环使用的新方式。

The development process of UHPC is reviewed,the research status of UHPC at home and abroad is introduced,and the application of steel fiber in UHPC is summarized.In recent years,theoretical research and application in China have also developed rapidly.By adding steel fiber into UHPC,it can effectively overcome the shortcomings of poor toughness and brittleness,and improve the performance of other aspects.However,the research on adding waste steel fiber into UHPC is almost blank.Therefore,adding waste steel fiber into UHPC is not only an important improvement measure for UHPC,but also a new way for recycling waste steel fiber.