In order to research the buckling process of three-dimensional trusses, the eigenvalue buckling analysis and non-linear flection analysis are carried out.
对立体桁架进行了特征值屈曲分析和非线性屈曲分析，研究其屈曲过程。
Throgh eigenvalue buckling analyses, the stability of the through steel-box tie-bar arch-bridge is analyzed.
根据特征值屈曲分析方法，对某下承式钢箱系杆拱桥的稳定性进行分析计算。
The second part describes the basic concept of buckling, the theory of linear eigenvalue buckling and the characteristics of nonlinear buckling.
第二部分介绍了屈曲的基本概念，线性特征值屈曲的屈曲理论以及非线性特征值屈曲的特点。
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