基于剪切效应的等边格构柱轴心受压稳定性分析  

Stability Analysis of Equilateral Lattice Column under Axial Compression Based on Shear Effect

作　　者：赵恒 肖珍 李政 ZHAO Heng;XIAO Zhen;LI Zheng(School of Intelligent Building,Changde College,Changde 415000,Hunan,China)

机构地区：[1]常德学院智能建筑学院,湖南常德415000

出　　处：《工程与试验》2024年第1期1-2,47,共3页Engineering and Test

基　　金：湖南省教育厅项目(22C0939),湖南省教育厅项目(HNJG-2022-1365)。

摘　　要：本文研究了剪切效应对等边格构柱轴心受压稳定性的影响。根据弹性力学理论,利用等边格构柱剪切应力与弯曲变形的关系,建立了等边格构柱屈曲微分方程,推导了含有剪切刚度的等边格构柱发生大挠度屈曲时的屈曲载荷表达式。算例表明,剪切变形对等边格构柱屈曲载荷具有较大的影响。The influence of shear effect on axial compression stability of equilateral lattice column is studied in the paper.Based on the theory of elasticity,and the relationship between shear stress and bending deformation of equilateral lattice column,the buckling differential equation of equilateral lattice column is established,and the buckling load expression of equilateral lattice column with shear stiffness is derived.The examples show that the shear deformation has a great influence on the buckling load of equilateral lattice column.

关 键 词：格构柱 轴心受压 剪切变形 屈曲载荷 大挠度 

分 类 号：O341[理学—固体力学]