淡江大學機構典藏:Item 987654321/96366
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    Please use this identifier to cite or link to this item: https://tkuir.lib.tku.edu.tw/dspace/handle/987654321/96366


    Title: 電廠管路結構劣化之健全性解析評價及改善(II)
    Other Titles: Analysis, Evaluation and Improvement for the Structural Integrity of Material Fracture in Electrical Piping System (II)
    Authors: 史建中
    Contributors: 淡江大學機械與機電工程學系
    Keywords: 洩漏;極限解析;塑性崩壞行為;靜不定;延性不穩定破壞;管路系統;Leakage;Limit Analysis;Plastic Collapse Behavior;Statical Indetermination;Ductile Instability Fracture;Pipe System
    Date: 1999-07
    Issue Date: 2014-03-07 11:24:47 (UTC+8)
    Abstract: 本期研究計畫為延續上期(87年度)國科會產業科技學術合作計畫,即是採用極限解析手法(Limit analysis theory)及彈塑性破壞力學(Elastic-plastic fracture mechanics)的新綜合解析手法,將解析出承受等分布荷重,強制變位以及兩端不等的回轉角,並且有龜裂存在之靜不定結構物模型的LBB(Leak-bef ore-break;破斷前洩漏)特性和塑性崩壞行為(Plastic collapse behavior),以評價及改善電廠管路系的結構可靠度。並藉由此解析手法,能對於管路安全性加以評估,能預警自LBB狀況到管路完全破斷為止所需之充裕時間,以及進一步提高耐荷重性能,並考察出耐荷重性能的形成原因。另外,也可定量地評價出此靜不定管路系受到的荷重樣式,管路的跨距長L,龜裂的形狀,材料的破壞韌性值J/sub IC/以及龜裂傳播抵抗dJ/dA等影響。據此資訊,本研究將進一步建立最佳管路結構之設計模式,及至於提高管結構可靠度等相關的技術。
    Relation: 八十八年度電力科技產業學術合作研究計畫期中報告論文集,頁206-212
    Appears in Collections:[Graduate Institute & Department of Mechanical and Electro-Mechanical Engineering] Proceeding

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