【摘要】 本文就工型钢构件在模拟地震作用的水平循环荷载作用下，危险断面的损伤累积及发展行为进行了描述，给出了损伤变量表达式。并对文献［１］中部分实验构件的损伤进行了追踪计算，得到了满意的结果。为在结构抗震的二阶段设计中的定量控制及结构损伤的进一步研究提供可贵的资料更多还原

【Abstract】 The damage evolution performance of dangerous point of steel assembly piece under imitating earthquake load has been described and the expression of damage has been given.Moreover,the damage of part test steel assembly piece in the literature has been traceably calculated satisfactory result has been got.The results provide the basic reference for the design of earthquake resistant structures and study of damage.更多还原