功能梯度混凝土圆筒结构研究进展

Research Progress of Functionally Graded Concrete Cylinder Structures

功能梯度材料组成成分可以产生连续变化,材料性能也可以根据需求呈现梯度变化,对于土木工程领域,特别对于深部地下,面对复杂的地质应力环境,使用功能梯度圆筒结构有着独特的优势。本文介绍了功能梯度混凝土圆筒的研究背景,重点分析了功能梯度混凝土圆筒在力学特性、立井井壁应用、地铁隧道衬砌应用、制备方法等方面的研究进展,并进一步展望3D打印制备功能梯度混凝土圆筒结构。

The composition of functionally gradient materials can produce continuous changes, and the material properties can also show gradient changes according to the demand. For civil engineering, especially for deep underground, when facing complex geological stress environment, the use of functionally gradient cylinder structure has unique advantages. In this paper, the research background of functional gradient concrete cylinder is introduced, the research progress of functional gradient concrete cylinder in mechanical properties, shaft wall application, subway tunnel lining application and preparation method is analyzed and the 3D printing preparation of functional gradient concrete cylinder is further forecasted.