Abstract : employing gray system theory , based on the actual earthquakedamage on the multistory masonry building data collected in dongehuang earthquake , this paper summarized the leading factors which influence the damage of building , then calculated the relevant order between damage factors and damage degree , at last the order was presented 文摘:应用灰色系统理论,以云南省东川市地震破坏中多层砖房的震害为例,分析计算了多层砖房的震害因子与震害程度的关联度,总结了影响多层砖房震害的主要因素,并对其诸多因素进行了排序。