Scissor-Jack-damper energy dissipation system
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- Tez No: 597914
- Danışmanlar: PROF. MICHAEL C. CONSTANTINOU
- Tez Türü: Doktora
- Konular: Deprem Mühendisliği, Earthquake Engineering
- Anahtar Kelimeler: Belirtilmemiş.
- Yıl: 2004
- Dil: İngilizce
- Üniversite: State Unıversıty Of New York At Buffalo
- Enstitü: Yurtdışı Enstitü
- Ana Bilim Dalı: Belirtilmemiş.
- Bilim Dalı: Belirtilmemiş.
- Sayfa Sayısı: Belirtilmemiş.
Özet
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Özet (Çeviri)
Installation of damping devices has been limited to diagonal or chevron brace configurations until the recent development of the toggle-brace configurations. These configurations magnify the effect of damping devices, thus facilitating their use in stiff framing systems. Such systems are not good candidates for supplemental damping when conventional diagonal or chevron brace configurations are used, due to the high cost of the damping system. This report introduces the scissor-jack-damper system that was developed as a variant of the toggle-brace-damper systems. An additional advantage of the scissor-jack-damper to the toggle-brace-damper system is in the compactness of the configuration. A theoretical treatment of the scissor-jack-damper system is presented and the effectiveness is demonstrated through testing of a large-scale steel framed model structure under imposed harmonic displacement on the strong floor, as well as dynamic excitations on the earthquake simulator. Experiments demonstrate that despite the small size of the damping device considered, the scissor-jack system provided a considerably significant amount of damping while also substantially reducing the seismic response of the tested structure. Comparisons of response-history and simplified analyses with the experimental findings produce results that are consistent. Application of the scissor -jackdamper system in a new building structure in Cyprus is described.
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