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| 新型阶梯式肋环型球面网格结构力学性能分析 | |
| 引用本文： | 李志强,张志宏,田珺,董石麟. 新型阶梯式肋环型球面网格结构力学性能分析[J]. 空间结构, 2011, 17(2) |
| 作者姓名： | 李志强 张志宏 田珺 董石麟 |
| 作者单位： | 1. 同济大学土木工程学院,上海,200092 2. 浙江大学空间结构研究中心,浙江杭州,310027 3. 中建国际(深圳)设计顾问有限公司,上海,200235 |
| 基金项目： | 国家自然科学基金资助项目(50638050) |
| 摘 要： | 阶梯式肋环型球面网格结构是一种新的结构形式,具有较强的建筑表现力,其结构性能介于单、双层网壳之间,具有较好的稳定承载力.通过对不同矢高的阶梯式肋环型球面网格结构的静力参数分析,得到了这种结构的基本性能特点与传力规律.通过动力特性分析,反映了结构基本的刚度分布规律.稳定性分析是壳体结构必须进行的计算,通过线性特征值与非线性极限稳定性分析计算了此类结构的失稳模式与极限承载力,从而较为全面地分析了这种结构的结构性能,得到了一些有意义的结论. |
| 关 键 词： | 阶梯式肋环型球面网格结构 静力特性 动力特性 特征值稳定 非线性稳定性 |
Structural analysis of novel ladder form rib-ring type of spherical latticed shells |
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| LI Zhi-qiang,ZHANG Zhi-hong,TIAN Jun,DONG Shi-lin. Structural analysis of novel ladder form rib-ring type of spherical latticed shells[J]. Spatial Structures, 2011, 17(2) | |
| Authors: | LI Zhi-qiang ZHANG Zhi-hong TIAN Jun DONG Shi-lin |
| Affiliation: | LI Zhi-qiang 1,ZHANG Zhi-hong 2,TIAN Jun 2,DONG Shi-lin 3(1.College of Civil Engineering,Tongji University,Shanghai 200092,China,2.Space Structures Research Center,Zhejiang University,Hangzhou 310027,3.China Construction(Shenzhen) Design International,Shanghai 200235,) |
| Abstract: | Ladder form rib-ring type of spherical latticed shell is a new structural system with a strong architectural expression.Its structural performance may be between that of single-layer and double-layer latticed shell and it has a good stability bear capacity.In this paper,the basic static performance characteristic of this structure is presented according to the parameter analysis by using different model with different rise-to-span ratio.Through the dynamic analysis,basic stiffness distribution of the struct... |
| Keywords: | ladder form rib-ring type of spherical latticed shell static performance dynamic properties buckling nonlinear stability |
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