结构稳定理论

又因解的收敛性强、外延好，能闭合于Euler公式，因而在结构稳定理论领域也有重要意义。

As the solution by the principle of minimum potential energy is good in con vergency , it can be closed up to the Euler formula . Thus , it is also of some significance in the field of structural stability theory .

拱结构稳定理论的发展

Development of stability theory of arch structure

圆柱壳的屈曲问题在结构稳定理论中占有重要的地位，从某种意义上说，其屈曲问题的研究推动了结构稳定理论的建立和发展。

The buckling of cylindrical shells is playing an important role in structural stability , which has increased great development in the theories of structural stability .

以能量法为基础，利用结构稳定理论和流体力学理论原理，推导了非满配重水井壁筒竖向结构稳定临界高度的解析式，并给出了典型算例；

Based on energy methods as well as the principle of structural stability theory and hydromechanics theory , the analytical equation for vertical structure stability critical height of shaft cylinder filled part of water was calculated . A typical example was persuasively analyzed .

近年来，Li3V2（PO4）3以其成本低、电压高、结构稳定和理论比容量高（197mAh/g）等优势而备受关注，可望成为代替锂钴氧的正极材料。

Recently , Li3V2 ( PO4 ) 3has attracted great attention due to its low cost , high potential , structure stability and large theoretical specific capacity ( 197mAh · g-1 ), expected it to replace the lithium cobalt oxide cathode materials .

单层球面网壳结构的稳定理论及非线性分析方法

Stability Theories and Nonlinear Analysis Method of Single-Layer Latticed Domes

基于可靠度的钢结构稳定设计理论，提出了通过抗力分项系数验算网壳结构稳定性的方法。

The stability design for steel latticed shells is proposed based on the reliability theory .

本文在介绍了结构稳定分析理论和方法的基础上，采用弧长法解算了环状索杆结构的几何非线性稳定性问题，并研究了矢跨比、预应力等结构参数对其稳定性的影响。

On the basis of the basic theories and methods about stability analyses , arc-length method is used to analyze the geometrical nonlinear stability of the structure . And the effects of the rise-to-span ratio and the prestress in cables etc.

钢结构稳定设计&理论与实践

Stability Design of Steel Structures-Theory and Practice

论文介绍了结构稳定的相关理论，并结合京沪高速铁路濉河特大桥跨104国道（40+56+40m）连续箱梁桥的实例，介绍了现浇连续箱梁的施工工艺。

Secondly introduced the theory of structural stability , and combines the Sui river bridge across State Road 104 ( 40 + 56 + 40m ) continuous box girder bridge of Beijing-Shanghai high speed railway , introduced cast-in-site construction technology .

所得主要结论如下：简要介绍了结构稳定分析的基本理论；推导了结构进行稳定分析的线性和双重非线性有限元方程和求解方法。

Main conclusions that we draw are as follows : The paper gives fundamental theory of stability analysis in a nutshell , derives linear and bi-nonlinear finite element equation of stability analysis and resolution method .

钢结构的稳定性能是决定其承载力的一个重要的因素，而钢结构稳定理论和设计方法尚未完善。

Stability is an important factor to control the critical capacity of the steel structures , and the stability theory and design method of the steel structure should be perfected .

介绍了钢结构稳定问题的基本概念和类型，分析了各种因素对结构和构件稳定性能的影响，总结了钢结构稳定设计的特点，从而使钢结构稳定理论设计不断完善。

The basic concept and type of stability problems of steel structure are introduced . Based upon analysis of various factors influencing the stability the characteristics are summarized for stability design of steel structure in order to perfect theory of stability constantly .