基于纳米材料的自愈合混凝土研究进展

Research Progress in Self-healing Concrete Based on Nanomaterials

在浇筑和服役过程中,由于受到物理化学的作用而形成的微裂缝是导致混凝土性能退化的主要原因之一。近年来,纳米材料在混凝土裂缝修复中表现出较强的力学和耐久性能,从而在建筑工程中得到了广泛的应用,已然成为一个热门的研究方向。结合当前研究现状,笔者介绍了基于纳米材料的混凝土自修复领域的研究成果及应用情况,对纳米材料应用于混凝土时的优缺点进行了综述,展望了其发展趋势和前景。

The formation of micro-cracks due to physical and chemical effects during pouring and service is one of the main reasons for the degradation of concrete performance.In recent years,nanomaterials have shown strong mechanical and durability performance in concrete crack repair,and have been widely applied in construction engineering,becoming a hot research direction.From this perspective,this article introduces the research achievements and application situation of concrete self-healing based on nanomaterials,summarizes the advantages and disadvantages of nanomaterials applied to concrete,and looks forward to their development trends and prospects.