混凝土本构理论研究进展与展望

Overview of concrete constitutive theory

混凝土本构理论是其本构关系研究的一个重要方向。依据不同的建模方法演化出了各类混凝土本构模型,对本构模型的历史、发展和应用进行综述。首先指出了混凝土本构模型随理论研究和学科交叉的发展不断创新;其次概括分析了各类混凝土本构模型的理论基础、特点、发展状况、主要成果、优点及局限性;最后从计算技术、工程应用、学科融合的角度,指出了本构模型的研究发展方向。对现有混凝土本构模型的归纳和讨论,可为混凝土在复杂应力状态下本构关系的进一步发展提供方向和思路。

Constitutive theory is an important research direction for concrete constitutive relations.Based on different approaches,various concrete constitutive models are evolved,the history,development and application in this field are reviewed.Firstly,concrete constitutive models are innovated continuously with the development of theoretical research and interdisciplinary.Secondly,the theoretical approaches,characteristics,development,main achievements,advantages and limitations of various concrete constitutive models are analyzed.Finally,the development direction of concrete constitutive models is pointed out from the perspective of computing technology,engineering application and subject integration.The summary and discussion of the existing concrete constitutive models will provide ideas for the further development of the constitutive relation of concrete under complex stress states.