The Category 2 stability(plastic buckling stability) thereof is particularly important because it can truly represent the history of failure of the bridge.
稳定是拱桥设计和施工过程中必须关注的关键性问题，而二类稳定能比较真实地反映拱桥的破坏历程，尤为重要。
Additionally, a wave-shaped beam of aeroplane structure is optimized and the influence of wave number on the structural buckling stability and stiffness is discussed.
然后通过飞机结构中一种波形梁构件的优化，进一步讨论了波形梁的波数对结构稳定性和刚度的影响。
In order to study how the static preloading affects on the buckling stability of columns or cylindrical shells, a simple imperfection-sensitive elastic-plastic model is used.
为了研究静力预加载荷对诸如柱、圆柱壳等结构动态稳定性的影响，采用了一种简单的缺陷敏感弹塑性模型。
It provides a new analysis method for the calculation of thermal buckling problems of bars, and a base for stability analysis of heating transportation pipelines.
这为杆件热屈曲问题的计算，提供了一种新的分析方法；为热输管道的稳定性分析，提供了依据。
In this paper, the elastic stability of reinforced concrete silo shell roof is analyzed using finite-element model. The elastic critical buckling loads of the shell roof are calculated.
本文用有限元模型分析了钢筋混凝土浅圆仓仓顶的弹性稳定性，计算了其屈曲临界荷载。
Numerical results indicate that the nonlinear solution is (necessary) to stability analysis because linear buckling loads are much higher than those of nonlinear buckling.
计算得到的线性屈曲稳定系数远远大于非线性稳定系数，表明线性屈曲分析结果不可靠，而宜采用非线性进行计算。
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 structural linear elastic buckling analysis has also been carried out to prove the good stability of the structure.
整体线弹性屈曲分析也进一步验证了结构具有良好的稳定性。
Low height-span gable portal frame occur snap through buckling. Global stability method is used to analysis the stability of gable portal frames.
高跨比较小的山形门式刚架会发生跃越失稳，采用整体分析的方法对山形门式刚架的稳定进行了分析。
The stability calculation has three parts, including static calculation, linear buckling analysis and geometrical nonlinear stability analysis.
计算内容包括静力计算、线性屈曲分析以及考虑初始缺陷的几何非线性稳定性计算。
The stability of arch dam against elastic buckling has always been ignored.
拱坝的抗屈曲稳定性一直是未被重视的问题。
The consistent imperfect buckling analyses method (CIBAM) is the main approach of analyzing the stability of the structure with the geometrical imperfection.
目前工程上对结构进行缺陷稳定分析的主要办法是一致缺陷模态法。
Finally the design and applications of several large PDLRSS projects were introduced, stability analysis were performed to satisfy overall reasonable strength level and buckling characteristics.
最后介绍了几个大型局部双层网壳工程设计应用，并进行了稳定特性分析，保证强度与稳定的合理性。
This paper analyses the influence of end constraints, side displacement, positive and negative symmetric buckling form on integral stability of gantry crane's supporting legs.
本文分析了门式起重机腿端约束，侧移及正、反对称屈曲形式对支腿整体稳定性的影响。
This article from the steel structure buckling type, elaborates the steel structure stability analysis method and some issues requiring attention in the stable design.
本文从钢结构失稳的类型入手，阐述了钢结构稳定性的分析方法及稳定设计需要注意的问题。
A beam or a column often supports other members which participate in the buckling action, and significantly influence its in-plane stability and out-of-plane stability.
梁或柱为其连接的其他构件提供支撑，同时，与梁或柱相连接的构件也为梁或柱提供约束作用。这些约束作用极大地影响着梁或柱的平面内稳定和平面外稳定。
The impact buckling criteria provide a basis for analyzing the dynamic stability of structures under impact loadings.
结构冲击屈曲准则是进行结构冲击屈曲分析的基础。
The authors not only obtain a catastrophic model of vibrational buckling of elastic arches, but also give the critical condition of losing stability.
作者不仅得到弹性拱振动失稳的突变模型，而且给出发生失稳的条件。
For the out-of-plane stability, design formulae are also proposed for sway buckling and non-sway buckling in the out-of-plane.
对于平面外稳定计算，考虑了平面外是有侧移失稳和无侧移失稳两种情况，分别给出了公式。
Eigenvalue buckling analysis is the main method of structural stability because of its computational efficiency.
由于计算效率较高，特征值屈曲分析是目前分析结构稳定性的主要方法。
In this paper buckling behavior of pressure bar is discussed and its critical condition is defined in mathematics. It makes concept about stability of pressure bar more precise.
通过对压杆失稳本质的分析和对临界状态的数学描述，使得有关压杆稳定的某些概念更为确切。
In this paper buckling behavior of pressure bar is discussed and its critical condition is defined in mathematics. It makes concept about stability of pressure bar more precise.
通过对压杆失稳本质的分析和对临界状态的数学描述，使得有关压杆稳定的某些概念更为确切。
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