等截面连续受压直杆临界荷载的求解  

SOLUTION OF CRITICAL LOAD OF CONTINUOUS STRUT WITH CONSTANT SECTION

作　　者：周兴辉 王福义 袁勇[1] 宋爱华 

机构地区：[1]胜利工程设计咨询公司,东营257026 [2]山东凯佳工程设计公司,东营257091

出　　处：《工业建筑》2005年第z1期409-411,419,共4页Industrial Construction

摘　　要：利用材料力学、常微分方程及行列式知识,求解了连续受压杆率曲微分方程,计算了不同长度组合受压杆的整体临界荷载及计算长度系数,与钢结构设计中所采用的计算长度系数进行了对比分析。The bending differential equation of a two span continuous strut was solvedUsing the knowledge of material mechanics,differential equation and determinantThe global critical load and the coefficient of calculation length of composite strut with different lengths were found out,which was compared with that of steel structure design method

关 键 词：连续压杆 计算长度系数 临界荷载 超越方程 行列式 搜索求解 

分 类 号：TU391[建筑科学—结构工程]