Please use this identifier to cite or link to this item: http://hdl.handle.net/11455/15394
標題: 扭轉耦合建築結構受震層間損壞指標
A Story Damage Index of Torsionally-Coupled Buildings Due to Earthquakes
作者: 楊淳皓
Yang, Chan-Hao
關鍵字: Damage Index;損壞指標;System Identification;Damage Assessment;系統識別;損壞評估
出版社: 土木工程學系所
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摘要: 
本文推導扭轉耦合建築結構受震動力平衡方程式,配合SRIM系統識別技巧,發展扭轉耦合建築結構受震前後層間勁度折減比例之層間損壞指標,期望能精確地判別結構震後是否損壞,損壞程度及損壞位置。除判別立面損壞分佈外,同時考慮損壞前後偏心變化,以判別樓層之平面損壞位置。本文除了以數值模型結構模擬,探討損壞指標之準確性外,並以國家地震工程研究中心標竿結構震動台試驗紀錄及台東消防分隊大樓受2006年4月1日台東卑南地震損壞前後之實測地震紀錄,應用SRIM系統識別技巧進行結構模態參數識別,計算損壞指標以評估損壞,並與實際現場勘查比較,結果驗證本損壞指標具實用性,可準確評估樓層損壞程度及平面位置。

In this study, a story damage index (SDITC/ASDITC) for torsoinally-coupled buildings based on modal parameters was developed for evaluating the occurrence, location, and severity of building damage after earthquakes. During the calculation of this index, the change of center of rigidity can also be obtained, which effectively reveals the damage location in a particular story. Besides the verification through a numerical model, this damage index was also applied to the damage assessment of the Taitung Fire Department Building, which experienced severe structural damage during the Taitung earthquake at April 1, 2006. Through the SRIM identification technique based on the building measurements, the damage index was calculated to assess the damage of the building. Comparing with the visual inspections, it was evident that SDITC and ASDITC are useful to indicate the damage specifically.
URI: http://hdl.handle.net/11455/15394
其他識別: U0005-2408200615143000
Appears in Collections:土木工程學系所

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