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1·The flexural buckling of continuous chord with rigid joint;

刚性支座下双轴对称截面连续压杆的弯曲屈曲；

2·Both instances of elastic and inelastic are considered in flexural buckling.

其中在弯曲屈曲中都分别考虑了弹性屈曲和非弹性屈曲。

3·The flexural buckling and flexural-torsional buckling modes of a monosymmetric section column are presented and the equivalent slenderness ratio for flexural-torsional buckling is derived.

阐述单轴对称截面轴心受压构件弯曲屈曲和弯扭屈曲两种失稳形式，以及绕截面对称轴弯扭屈曲换算长细比的计算方法和应用实例。

4·Struts of singly symmetric section need to be checked on flexural torsional buckling, according to the current code for steel structure (GB50017—2003).

《钢结构设计规范》（GB50017—2003）提出对单轴对称截面钢压杆的弯扭屈曲需做单独验算。

5·Struts of monosymmetric section built with angles and cut-Ts need to be checked on flexural-torsional buckling.

单轴对称的角钢、T型钢压杆有必要做弯扭屈曲验算。

6·Secondly, a classical elastic flexural-torsional buckling tests on arch is introduced, which is simulated by shell element SHELL63 and beam element BEAM189 of commercial software ANSYS.

其次介绍了一个经典的拱的弹性弯扭屈曲试验，并采用有限元商业软件ANSYS中的SHELL63单元和BEAM189单元分别进行了模拟。

7·By means of theoretic analysis and digital imitation, an investigation about the flexural-torsional buckling of thin-walled steel beam is made in this paper.

本文综合运用理论分析、数值模拟等方法研究了薄壁钢梁的弯扭屈曲问题。