华中科技大学学报：自然科学版2012，Vol.40Issue(9)：101-105,5.
多点激励下大跨隔震结构分析模型
Analysis model for long-span isolated structure subjected to multi-support earthquake excitations
国巍 1余志武 1国振2
作者信息
- 1. 中南大学土木工程学院,湖南长沙410075 中南大学高速铁路建造技术国家工程实验室,湖南长沙410075
- 2. 浙江大学建筑工程学院,浙江杭州310027
- 折叠
摘要
Abstract
Analysis models of long-span isolated model under multi-support earthquake excitations have limited application range,thus theoretical and numerical research were carried out to guide the reasonable application of analysis models.The nonnegligible damping characteristics in the displacement model and acceleration model were firstly studied,and by considering its special structural type and dynamic properties of long-span isolated structure,a rigorous theory derivation were carried out to explain the availability and probable existing problems in the two models.It is pointed out that the displacement model would produce huge error in the earthquake analysis of long-span isolated structures and it should be revised for more accurate results.Finally,numerical work was carried out for verifying the proposed theoretic analysis results about displacement model and acceleration model.关键词
大跨结构/隔震/多点地震激励/加速度模型/位移模型Key words
long-span structures/isolation/multi-support earthquake excitations/acceleration model/displacement model分类
建筑与水利引用本文复制引用
国巍,余志武,国振..多点激励下大跨隔震结构分析模型[J].华中科技大学学报：自然科学版,2012,40(9):101-105,5.
