多点激励下弦支穹顶叠合拱结构的地震响应(英文)

英文篇名：Seismic response of suspen-dome with stacked arch structures under multiple support excitation
中文刊名：空间结构
英文刊名：Spatial Structures
作者：刘红波 ; 陈志华 ; 周婷
英文作者：LIU Hong-bo1 ; CHEN Zhi-hua1 ; 2 ; ZHOU Ting1(1.Department of Civil Engineering ; Tianjin University ; Tianjin 300072 ; China ; 2.Tianjin Key Laboratory of Civil Engineering Structure & New Materials ; Tianjin University ; Tianjin 300072 ; China)
中文关键词：拱支结构 ; 行波效应 ; 弦支穹顶叠合拱 ; 地震响应
英文关键词：arch supported structures ; wave traveling effect ; suspen-dome with stacked arch structure ; seismic response
出版日期：2012-06-15
机构：天津大学建筑工程学院;天津市土木工程结构及新材料重点实验室天津大学;
年：2012
期：02
出版单位：空间结构

摘要

目前拱支结构在大跨度空间结构领域得到广泛应用.弦支穹顶叠合拱结构作为一种典型的拱支结构形式,已被山东茌平体育馆所采用,跨度达到196m.本文基于多点激励下的地震响应时程分析,研究了大跨度弦支穹顶叠合拱结构的行波效应.分析结果显示:当地震波速分别为300m/s、800m/s、1200m/s时,相应的地震行波效应系数分别为10.30、4.78、3.56,由此可见,对于大跨度弦支穹顶叠合拱而言,其行波效应较为显著,建议设计时适当考虑.
The arch supported structures are widely adopted in large span spatial structures.The suspen-dome with stacked arched structures is a typical arch supported structure,which is adopted in Chiping Gymnasium.The span of the suspend-dome with stacked arch structures is up to 196 m.Therefore,the multiple support earthquake excitation time history analysis is carried out to investigate the wave traveling effect on the suspend-dome with stacked arch structures.The analysis results show that the wave traveling effect is remarkable and the maximal wave traveling effect factor under V=300m/s,V=800m/s and V=1200m/s are 10.30,4.87 and 3.56 respectively.It proves the wave traveling effect is significant on the suspen-dome with stacked arch structure and slould be considered in design.

引文

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