高延性纤维增强水泥基复合材料在建筑结构中的应用现状

摘要

高延性水泥基复合材料(Engineered Cementitious Composite,ECC)是一种使用微观力学、断裂力学对复合材料进行系统分析得到的具有超高韧性的纤维增强水泥基复合材料.ECC作为一种高性能新材料,能够显著改善结构构件的力学性能,将其合理的应用于结构构件中也是其重要的发展趋势.对ECC材料进行了介绍,综述了ECC材料性能、ECC在建筑结构中的研究应用现状,就现有的应用形式方面的不足进行了评述和展望.%Engineered Cementitious Composite (ECC) is a fiber reinforced cement based composite material systematically designed based on the micromechanics and fracture mechanics and engineered to achieve the ultrahigh toughness.As a kind of new material with high performance,ECC can significantly improve the mechanical properties of structural members and it is an important development trend of the ECC to be reasonably applied in the structural component.This paper introduces the performance and the state of the research and application in structure of ECC.Meanwhile,the existing problems in the form of application are reviewed and prospected.