考虑下部结构的球面网壳在强震作用下的破坏机理研究

英文篇名：RESEARCH ON FAILURE MECHANISM OF SPHERICAL RETICULATED SHELLS WITH SUPPORTING STRUCTURE UNDER STRONG EARTHQUAKE
中文刊名：钢结构
英文刊名：Steel Construction
作者：樊永盛 ; 李彦君 ; 杜雷鸣 ; 李海旺
英文作者：Fan Yongsheng1 Li Yanjun2 Du Leiming3 Li Haiwang4 ( 1.Institute of Taiyuan Architecture Design and Research ; Taiyuan 030002 ; China ; 2.Shanxi Architectual Technical College ; Taiyuan 030006 ; China ; 3.Shanxi Engineering Vocational College ; Taiyuan 030009 ; China ; 4.The Architecture and Civil Engineering Department of Taiyuan University of Technology ; Taiyuan 030024 ; China)
中文关键词：球面网壳 ; 地震作用 ; 破坏机理 ; 动力稳定
英文关键词：single-layer spherical reticulated shell ; earthquake action ; failure mechanism ; dynamic stability
出版日期：2009-12-22
机构：太原市建筑设计研究院;山西建筑职业技术学院;山西工程职业技术学院;太原理工大学建筑与土木工程学院;
年：2009
期：12
出版单位：钢结构

摘要

以具有实际工程意义的40m跨度,矢跨比为1/3,同时考虑圈梁和下部柱及柱间支撑的K8型单层球面网壳为研究对象,利用ANSYS有限元程序,在考虑几何非线性和材料非线性效应的条件下,研究该结构在三向强烈地震荷载作用下的动力响应、失稳模态及破坏机理,并分析下部支承结构、杆件弯曲变形对网壳结构动力稳定性的影响。
The dynamic responses, instable mode and failure mechanism of 40 m-span and rise-span ratio of 1/3 K8 single-layer spherical reticulated shell with supporting structure under three-way strong earthquake action are investigated by the finite element program ANSYS in the paper. In the studying, both the geometric and the material non-linearities are taken into consideration. At the same time,it is analyzed the effect of the supporting structure and bending deformation of the members on the dynamic stability of the reticulated shell.

引文

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