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샌드위치 플레이트 시스템을 이용한 합성보의 동적 특성Dynamic Characteristic of Composite Beam using the Sandwich Plate System
- Other Titles
- Dynamic Characteristic of Composite Beam using the Sandwich Plate System
- Issue Date
- 2014
- Publisher
- 한국공간구조학회
- Keywords
- Sandwich Plate System; Dynamic characteristic; Post tension; Natural Frequencies; Composite Beam
- Citation
- 한국공간구조학회지, v.14, no.4, pp.65 - 72
- Indexed
- KCI
- Journal Title
- 한국공간구조학회지
- Volume
- 14
- Number
- 4
- Start Page
- 65
- End Page
- 72
- ISSN
- 1598-4095
- Abstract
- To improve the noise and vibration problems of the existing public parking systems, new floor system was proposed. This system consists of the Sandwich Plate System(SPS), steel beam and post-tensioned steel tendons. To verify the dynamic characteristics such as the natural frequency and damping ratio of the system, the free vibration test was performed. Test results showed that the natural frequency of the SPS composite beam was 23.8Hz and it was increased by 3.8% by installing the post-tensioned tendons. The damping ratio of the specimen with tendons was about 1.64%.
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