拱桥震害预测的灰色聚类方法
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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。
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.
引文
1邓聚龙.灰色系统基本方法.武汉:华中工学院出版社,19852黄龙生,姜淑珍.公路桥区域性震害预测.地震工程与工程振动,1995,15(1)3赵艳林.拱桥震害因子的灰色关联分析.广西系统工程学会学术会议论文集,南宁,1997.34邓聚龙主编.灰色系统理论教程.武汉:华中理工大学出版社,19905刘恢先主编.唐山地震震害(第三册).北京:地震出版社,1986

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