原文传递
Structural Behavior of an Air-Inflated Fabric Arch Frame
| 题名： | Structural Behavior of an Air-Inflated Fabric Arch Frame |
| 正文语种： | 英文 |
| 作者： | Xiao Guo; Qingsong Li; Daxu Zhang;Jinghai Gong |
| 作者单位： | Shanghai Jiao Tong Univ |
| 关键词： | Membrane; Inflatable structure; Experiment; Finite element; Mechanical behavior; Metal and composite structures |
| 摘要： | This paper presents experimental and numerical studies on the structural behavior of an air-inflated frame consisting of arches and coupling beams. In the experimental study, a full-scale specimen, which was 25.0 m long, 20.0 m wide, and 10.5 m tall, was tested under vertical and horizontal loading. The structural behavior of the inflated arch frame is evaluated by analyzing the load-displacement response and failure mode. Two vertical loading cases, in which vertical loads were respectively applied to the middle arch and to all the arches, are considered. A comparison of their load-displacement curves is made to evaluate the spatial action of the structure under vertical loading. For the horizontal loading, concentrated forces at one end of the structure can be fairly uniformly transferred to the entire structure by the coupling beams. However, the arch frame exhibited slightly different lateral stiffness in the two horizontal loading cases, in which the coupling beams were in tension and in compression, respectively. A finite element model has been developed to predict the stresses, deformation, and wrinkling modes of the arch frame. The fidelity of the model is verified by comparing the prediction with the experimental data. The airinflated arch frame demonstrated excellent structural integrity, and the coupling beams played an essential role in creating the spatial action. DOI: 10.106l/(ASCE)ST.1943-541X.0001374. © 2015 American Society of Civil Engineers. |
| 出版日期： | 2016.02 |
| 出版年： | 2016 |
| 期刊名称： | Journal of Structural Engineering |
| 卷： | Vol.142 |
| 期： | NO.02 |
| 页码： | 04015108 |
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