摘要
作者在多层砌体房屋震害预测中,以墙体抗震强度系数K为基本指标,采用二次判别准则估计分类单体房屋平均震害指数N,建立了各烈度下K-N线性关系式,在假定N服从正态分布条件下,阐述了使用微机版本的通用数据库管理系统,进行城市多层砌体房屋总体震害预测的概率-数据库方法。并以上海市多层砌体房屋为预测对象举例,证实了方法是简便适用的,有利于城市抗震防灾基础工作的普及和管理工作的现代化。该方法同样适用于其他类型房屋的总体预测。
A Probability-database method for seismic damage assessment of multistorey masonry buildings in urban area is presented. An average damage index N of a kind of typical building is acquired by using double-estimation criterion based on aseismic strength K of the walls. The linear relations between K and N for intensity VI to IX are described. The seismic damage assessment can be easily obtained by supposing Gaussian distribution and using database operating. The simplicity and applicability of the method are verified in the case for Shanghai.
出处
《同济大学学报（自然科学版）》
EI
CAS
CSCD
1993年第4期431-438,共8页
Journal of Tongji University:Natural Science
关键词
砌体
多层建筑
抗震
震害
预测
Damage assessment
Multistorey masonry buildings
Coefficient of aseismatic st rength
Database
Probability
