【摘要】 利用灰色聚类方法对拱桥在常见地震烈度下的震害进行了预测。文中考虑了地震烈度、拱桥孔数、跨径及地基条件四个主要震害因子，给出了唐山地震中２９座拱桥的预测结果，并与实际震害进行了对比。从而说明利用灰色聚类方法对拱桥进行震害预测是可行的，值得进一步研究和推广。更多还原

【Abstract】 n this paper,the damage of arch bridge caused by earthquake is predicted by gray cluster method,in which the seismic intensity,the number of hole of bridge,the span of bridge and the condition of ground are considered.By comparing the results of prediction of 29 arch bridges with the real damages in Tangshan earthquake,it may be shown that the gray cluster method is available for damage prediction of arch bridge,and so it should be studied and popularized further.更多还原