摘要
混凝土结构分析问题中动力荷载下混凝土的动力本构模型研究日益重要。为对建立混凝土动力本构关系的基础理论有系统的认知和了解其应用,对其进行了总结,简述了在建立混凝土动本构方面的应用,对混凝土动力本构模型的理论发展趋势作了展望。并对当前混凝土动力本构模型的应用做了概括评述,并指出了混凝土动力本构的可行研究方向,为建立混凝土动力本构模型提供指导。
Theories of static and dynamic constitutive model for concrete are outlined to provide tools of constitutive modelling for concrete. They include not only classical continuum mechanics, traditional elastoplastic theory and thermodynamics, but fracture mechanics, damage mechanics, micro-mesomechanics and endochronic theory devel- oped recently. They are cornerstone and spirit for concrete constitutive modelling. They construct the framework of the concrete modelling together and make cocrete modelling fresh constantly. Some applications on concrete modelling are depicted. The trends of theoretic fundamentals of the concrete modelling are previewed.
出处
《世界地震工程》
CSCD
北大核心
2007年第2期5-11,共7页
World Earthquake Engineering
基金
国家自然科学基金重点项目(50139010)
关键词
混凝土
动力本构模型
连续介质力学
弹塑性
热力学
断裂力学
损伤力学
细观力学
内变量
内时理论
concrete
dynamical constitutive model
continuum mechanics
elastoplasticity
thermodynamics
fracture mechenics
damage mechanics
micromesomechanics
internal variable
endochronic theory.
