【摘要】 以混凝土单轴拉压损伤为基础,给出了单元弹性损伤本构关系,分析了裂纹尖端损伤微裂区尺寸,定义了有效应力强度因子,给出了I型裂纹损伤断裂判据。更多还原

【Abstract】 Based on the study of damage mechanism of concrete material subjected to uniaxial tensile and compressive stress , sets up elastic constitutive relation of damage for concrete element. Mesoscopic damage size on the top of crack is analysed, the effective stress strength factor is defined, the mode I crack damage fracture criteria is presented.更多还原