钢管约束型钢再生混凝土的研究进展和展望

Research progress and prospect of tubed steel reinforced recycled aggregate concrete

作为新型复合材料,钢管约束型钢再生混凝土在多高层工程应用中可以有效提高结构的承载力与抗震能力,弥补了钢管再生混凝土柱在多高层的工程应用中截面尺寸偏大的不足。基于钢管再生混凝土、钢管约束型钢混凝土等材料的国内外研究现状,分别从本构关系、力学性能、损伤模型及抗震性能等方面阐述了钢管约束型钢再生混凝土的研究进展,对今后的研究方向进行了展望,对实际应用中需要解决的问题进行了探讨,有利于促进钢管约束型钢再生混凝土在工程建设中的推广应用。

As a new type of composite material,tubed steel reinforced recycled aggregate concrete can effectively improve the bearing capacity and seismic capacity of the high-rise buildings,to make up for the lack of size of recycled aggregate concrete filled steel tube column section in the engineering application of multi level is too large.It based on the research status of material properties of recycled aggregate concrete filled steel tube,tubed steel reinforced concrete and other materials at home and abroad.Respectively from the constitutive relation,mechanical properties,damage model and seismic behavior and other aspects of the research progress of tubed steel reinforced recycled aggregate concrete.The future research direction is prospected,and the problems that need to be solved in practical application are discussed.It is helpful to promote the application of tubed steel reinforced recycled aggregate concrete in engineering construction.