准脆性材料压缩本构关系理论曲线

Theoretical Relationship Curve between Stress and Strain for Quasi-brittle Materials Compression

分析了混凝土类准脆性材料的损伤破坏结构特征 ,根据混凝土压缩试验的本构关系曲线 ,提出了反映其变化特征的表达公式 ,给出了确定此曲线方程待定参数的计算方法 。

Microstructural characteristics of quasi-brittle material's damage and fracture as concrete is analyzed in this paper. Based on the stress and strain curve of concrete compress examination, a formula with power and index is established, in which the characteristics of compress examination curve are expressed. The method to calculate an index of the equation is presented, and some discussions are also given in the paper.\;