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    Please use this identifier to cite or link to this item: http://ir.lib.ncu.edu.tw/handle/987654321/63366


    Title: 應用希爾伯特黃轉換偵測結構物地震損傷位置之研究;A Study of Damage Location Detection for Steel Structures Using the HHT Method
    Authors: 蔣偉寧
    Contributors: 國立中央大學環境研究中心
    Keywords: 防災工程;環境科學
    Date: 2012-12-01
    Issue Date: 2014-03-17 14:28:18 (UTC+8)
    Publisher: 行政院國家科學委員會
    Abstract: 研究期間:10108~10207;The purpose of this proposal is to investigate the feasibility of detecting structural damage location using the HHT method. The damage of initial stiffness reduction and nonlinear response to columns are disscussed respectively. The major working items are as follow: 1. The stiffness reduction of column section is used to simulate the initial damage of a structure. 2. The damage detection index, RB, evaluted from HHT spectrum, is used to detect the location of initial damage to a structure. 3. The wen’s model is adopted to simulat the nonlinear behavior of a column. Then the damage locaion of a structure is detected by using the damage detection index, RB. 4. The effectiveness of detecting the damage location in a real structure using the damage detection index, RB is demonstrated from the steel benchmark building data (NCREE-06-020).
    Relation: 財團法人國家實驗研究院科技政策研究與資訊中心
    Appears in Collections:[環境研究中心] 研究計畫

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