| Author(s): |
M. Nagyová
M. Psotný J. Ravinger |
|---|---|
| Medium: | journal article |
| Language(s): | English |
| Published in: | Procedia Engineering, 2012, v. 40 |
| Conference: | Steel Structures and Bridges 2012 |
| Page(s): | 280-285 |
| DOI: | 10.1016/j.proeng.2012.07.094 |
| Abstract: | The authors of the paper designed the project of the structure of billboard with size 8x18 m. The design includes reinforced concrete foundations, steel vertical column, two advertising boards. The grand view of boards arranged in “V” with 30 ¡ angle. For the possibility of emplacement advertising films ladders and walkways as well as supporting structure for mounting lights must be built. Nowadays in place of sticking promotional material a special film is used attached around the perimeter of grid system covered by the thin steel plate. The geometric non-linear theory of large deflections must be used for a description of behaviour of such a plate. Thin steel sheet changes its own circular frequency depending on the load level. In case of the wind load, it is necessary to analyze the possibility of resonant phenomena, as well. |
| Keywords: |
natural frequency thin-walled structure Post-buckling behavior Bifurcation point
|
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