初始缺陷对单层柱面网壳稳定性的影响  

The Effect of Initial Imperfections to the Stability of Single Layer Lattice Vaults

作　　者：张峰[1,2] 沈世钊[1,2] 魏昕 

机构地区：[1]哈尔滨建筑大学 [2]哈尔滨铁路直属房产段

出　　处：《哈尔滨建筑大学学报》1997年第6期36-42,共7页Journal of Harbin University of Civil Engineering and Architecture

摘　　要：通过结构非线性分析程序ＳＮＡＰ，利用“一致缺陷模态法”对单层柱面网壳结构进行了全面和系统的初始缺陷分析。选取了不同几何尺寸的单层柱壳，不同的荷载分布形式，考虑不同大小的初始几何缺陷，最后着重讨论了初始缺陷对单层柱面网壳稳定性的影响，对单层柱面网壳结构的设计有一定的指导意义。Based on non linear complete process analysis program SNAP and by introducing “Consistant Mode Imperfections Method”,a comprehensive parametric analysis of single layer lattice vaults with initial imperfections is carried out Considering various parameters of single layer lattice vaults,such as geometric dimension,load distribution and initial imperfections,emphasis is put on the studies of the effect of initial imperfections to the lattice vaults′ stability behavior,and some useful intructions are obtained to serve for the design of single layer vaults

关 键 词：初始缺陷 网壳结构 稳定性 柱面网壳 

分 类 号：TU356[建筑科学—结构工程]