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    Please use this identifier to cite or link to this item: http://chur.chu.edu.tw/handle/987654321/26440


    Title: 合成聚焦影像法掃描含鋼筋混凝土結構缺陷之參數變化研究
    Authors: 廖述濤
    Liao, Shu-Tao
    Contributors: 土木工程學系
    Civil Engineering
    Keywords: 非破壞檢測;合成聚焦技術;鋼筋;混凝土結構;缺陷掃描
    Nondestructive test;Synthetic Aperture Focusing Technique;Rebars;Concrete structure;Scanning defects
    Date: 2009
    Issue Date: 2014-06-26 20:35:04 (UTC+8)
    Abstract: 本文應用一項新非破壞檢測技術，以暫態彈性波為基礎，結合合成聚焦訊號處理法，將含缺陷之鋼筋混凝土內部資訊以掃瞄影像方式呈現。在本研究中，將以有限元素數值方法來模擬彈性波於混凝土試體內之波傳行為，再由合成聚焦演算法進行訊號處理後，以灰階影像方式顯現內含缺陷之分佈情形。研究中模擬了在各種狀況下鋼筋對檢測訊號之影響，其中包括鋼筋排列之間距、鋼筋之大小、混凝土保護層之厚度、與鋼筋層數等。最後，即對此新檢測法應用在掃描含鋼筋之混凝土結構物上之潛力與限制提出初步結論。
    This paper presents the results of applying a new nondestructive testing technique to present the interior information of a defective reinforced concrete matrix with the scanning images. This new method is based on utilizing the transient elastic stress w
    Appears in Collections:[Department of Civil Engineering] Seminar Papers

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