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研究生: 何沁恩
Chin-En Ho
論文名稱: 智能骨材應用於RC柱在動態載重下之力量量測研究
Application of Smart Aggregates to Force Detection under Dynamic Seismic Loading of RC Column Structures
指導教授: 邱建國
Chien-Kuo Chiu
口試委員: 林克強
鄭敏元
張惠雲
學位類別: 碩士
Master
系所名稱: 工程學院 - 營建工程系
Department of Civil and Construction Engineering
論文出版年: 2019
畢業學年度: 107
語文別: 中文
論文頁數: 143
中文關鍵詞: 智能骨材地震力損傷評估鋼筋混凝土壓電陶瓷裂縫寬度
外文關鍵詞: smart aggregate, seismic, damage detection, reinforced concrete, piezoceramic, crack width
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  • 本研究利用壓電陶瓷製作智能骨材,並利用其可接收應力波之特性,進行RC柱構件在地震力激發下對試體受力之反應監測。再利用智能骨材可激發應力波作為致動器與接收應力波作為擷取器之方式,進行受地震力激發下之大型RC構架中柱構件其損傷評估
    動態柱試驗是以一組動態千斤頂作為施力機制,對試體上部混凝土區塊施加均勻側向載重,試體之設計破壞形式分為撓曲破壞、撓剪破壞以及剪力破壞三類,所使用之擷取器皆使用埋放深度80mm之後埋式智能骨材,探討位移、力量與智能骨材訊號之關係;七層樓縮尺構架振動台試驗是以振動台給予五階段不同之激發地震力,並在各階段地震力試驗結束後,使用埋放深度80mm之智能骨材做為致動器及擷取器,取得損傷指標,並記錄裂縫寬度以建立裂縫損傷指標,探討智能骨材埋放位置及損傷指標與裂縫損傷指標之關係。


    In this study, using piezoceramic smart aggregates as sensors to detected the displacement and force of the seismic in RC columns, furthermore as actuators and sensors to perform structural health monitoring in RC frame.
    In dynamic column test, the piezoeramic smart aggregates (PSAs) are used to perform force and displacement which applied on the column members. The piezoceramic smart aggregates (PSAs) are used as sensors in all the specimens. Sensors are installed at the 80mm under the surface. We use three difference failure modes of RC columns: flexure failure, flexure and shear failure and shear failure. Each specimen input a seismic duration in difference scale to reach the damage level that we expect. Use PSAs collected signal and seismic force to build correlation coefficient, and also do the same thing to signal and displacement of column.
    In 7th floors frame test, the PSAs are used to perform structural health monitoring. The piezoceramic smart aggregates (PSAs) are used as actuators and sensors in the specimen. Actuators and sensors are installed at the 80mm under the surface. Calculate the damage index after RC frame input seismic duration in different scales. Using the result to explore the best place for post-embedded PSAs and the relationship in damage index and crack damage index.

    摘要 Abstract 致謝 目錄 表索引 圖索引 第一章 緒論 1.1 研究背景與動機 1.2 研究目的 1.3 研究架構 第二章 文獻回顧 2.1 壓電材料 2.2 壓電材料之混凝土結構健康監測 2.2.1 經歷循環荷載之鋼筋混凝土圓柱[9] 2.2.2 受地震力影響之鋼筋混凝土圓柱[11] 2.3 建立鋼筋混凝土柱構件之裂縫損傷指標 2.4 構件損傷度判斷基準 2.5 壓電材料應用於剪切應力 第三章 實驗設置 3.1 智能骨材 3.1.1 智能骨材製作 3.1.2 智能骨材設置 3.2儀器介紹 第四章 動態柱試驗 4.1 試體介紹 4.2 試驗過程 4.2.1 試驗配置與程序 4.2.2 壓電訊號量測 4.2.3 試體外部位移之量測 4.3 訊號處理 4.4 試體結果與分析比較 4.4.1 位移與壓電訊號之相關 4.4.2力量與壓電訊號之相關 4.4.3力量與壓電訊號關係式 4.5 小結 第五章 七層樓縮尺構架振動台試驗 5.1 試體介紹 5.2 試驗過程 5.2.1 試驗配置與程序 5.2.2 壓電訊號量測 5.2.3 裂縫量測 5.3 訊號處理 5.4 試驗結果與分析比較 5.4.1 損傷指標結果 5.4.2 裂縫損傷指標 5.5 小結 第六章 結論與建議 6.1 動態柱試驗 6.1.1結論 6.1.2建議 6.2 七層樓縮尺構架振動台試驗 6.2.1 結論 6.2.2 建議 參考文獻

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    全文公開日期 2024/08/23 (校外網路)
    全文公開日期 2024/08/23 (國家圖書館:臺灣博碩士論文系統)
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