The spatial reticulated shells are dynamic-sensitive structures because of large span and spatial multiformity.
空间网壳跨度大、空间造型多样，往往属动力敏感性结构。
With the wide application of reticulated shells in engineering, the mechanical properties of the structures were more and more paid attention to.
随着网壳结构的广泛应用，其力学性能的研究日益受到重视。
An experimental study on elastoplastic stability of single layer reticulated shells has been carried on in the laboratory to verify the analysis theory.
本文为了论证单层网壳结构弹塑性稳定分析的理论，进行了单层网壳结构的弹塑性稳定试验研究。
Elastoplastic analysis and full scale experiment of a spherical cast steel joint used in steel reticulated shells of Chongqing Olympic Stadium was carried out.
为了对重庆奥林匹克体育中心网壳结构铸钢球节点承载安全性作出评价，本文对一关键节点进行了弹塑性分析和实体试验研究。
The application of geometrically nonlinear transition beam element can enhance the calculation precision of partial single-layer and partial double-layer reticulated shells.
过渡梁元切线刚度矩阵的提出，使局部单层局部双层网壳的计算结果更趋近于实际。
At present, in the design of reticulated shells, the initial deformation of the first buckling mode(the dimension is L/300) of the structure is introduced as initial imperfection.
目前在网壳结构设计中，初始缺陷是按照第一阶屈曲模态的L/300（L为结构跨度），对结构施加初始变形。
This paper presents a geometrically nonlinear FEM with less degrees of freedom, of single layer reticulated shells when the effects of welded hollow spherical hodes are considered.
本文基于焊接空心球节点单层网壳结构的构造特点，给出了一种不增加总自由度数的考虑焊接空心球节点影响的单层网壳结构几何非线性有限元分析方法。
The dynamic strength failure is the main seismic failure mode of single-layer reticulated shells, and the prediction of failure load requires the consideration of material damage cumulation.
动力强度破坏是网壳结构在遭受地震时的主要失效形式，准确的失效判别需要以基于材料损伤理论的分析为基础。
With considering various geometric sizes of single-layer cylindrical reticulated shells, the effects of rise-to-span and length-to-span to the structural dynamic stability are also analyzed.
选取了几种几何尺寸不同的单层柱面网壳，分析了矢跨比和长跨比对单层柱面网壳动力稳定性能的影响。
By using the method of the separating variable function, the transverse displacement of the shallow cylindrical reticulated shells were given under the conditions of two edges simple support.
在两对边简支条件下用分离变量函数法给出扁柱面网壳的横向位移。
Continuum analogy method is an important approach for the stability analysis of reticulated shells, but there still exist imperfections in applying this method to reticulated spherical shallow shells.
连续化方法是研究网壳结构稳定问题的一种重要途径，目前用连续化理论分析球面扁网壳的稳定问题还存在欠缺和不足。
The results show that, with the anticipation of arch structures, the static behaviors of the arch-supported single-layer reticulated cylindrical shells are improved obviously.
理论分析结果及工程应用表明，在拱结构的帮助下，柱面单层拱支网壳结构的静力性能得到了明显的改善。
The results show that, with the anticipation of arch structures, the static behaviors of the arch-supported single-layer reticulated cylindrical shells are improved obviously.
理论分析结果及工程应用表明，在拱结构的帮助下，柱面单层拱支网壳结构的静力性能得到了明显的改善。
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