Browse > Article
http://dx.doi.org/10.9712/KASS.2018.18.3.75

A Study on Natural Vibration Characteristics of Dome Structure According to Natural Frequency Ratio of Substructure  

Park, Kwang-Seob (Boru E&C)
Kim, Yun-Tae (Boru E&C)
Publication Information
Journal of Korean Association for Spatial Structures / v.18, no.3, 2018 , pp. 75-82 More about this Journal
Abstract
Large space structures exhibit different natural vibration characteristics depending on the aspect ratio of structures such as half-open angle. In addition, since the actual large space structure is mostly supported by the lower structure, it is expected that the natural vibration characteristics of the upper structure and the entire structure will vary depending on the lower structure. Therefore, in this study, the natural vibration characteristics of the dome structure are analyzed according to the natural frequency ratio by controlling the stiffness of the substructure. As the natural frequency of the substructure increases, the natural frequency of the whole structure increases similarly to the natural frequency of the upper structure. Vertical vibration modes dominate at $30^{\circ}$ and $45^{\circ}$, and horizontal vibration modes dominate at $60^{\circ}$ and $90^{\circ}$.
Keywords
Dome structure; Half-open angle; Roof structure; Substructure; Natural frequency; Natural mode;
Citations & Related Records
연도 인용수 순위
  • Reference
1 Jung, C. W., Park, S. M., & Kang, J. W., "A Study on the Seismic Response of Arch Structures Using Artificial Earthquake Ground Motions", Journal of Korean Association for Spatial Structures, Vol.8, No.6, pp.59-66, 2008
2 Jung, C. W., Seok, K. Y., & Kang, J. W., "Natural Frequency Analysis of Arch by Galerkin's Method", Journal of Korean Association for Spatial Structures, Vol.7, No.4, pp.55-61, 2007
3 Jung, C. W., "A Proposal of Quasi Static Seismic Force for Arches subjected to both the Horizontal and Vertical Seismic Wave", Journal of Korean Association for Spatial Structures, Vol.7, No.6, pp.103-110, 2007
4 Seok, K. Y., & Kang, J. W., "Dynamic Response of Arch Structure according to Natural Frequency Ratio between Arch and Columns", Journal of Korean Association for Spatial Structures, Vol.13, No.3, pp.65-72, 2013   DOI
5 Yoon, S. W., & Park, Y., "Comparison of Natural Frequency of Domestic and Foreign Long-spaned Structure", Journal of Korean Association for Spatial Structures, Vol.9, No.1, pp.79-85, 2009