種別 論文
主題 CONCRETE DETERIORATION INVESTIGATION BY MECHANICAL IMPEDANCE METHOD
副題
筆頭著者 Olatunde OGUNSEYE(Tokushima Unversity)
連名者1 Oluseun OLANIYI(Tokushima Unversity)
連名者2 渡辺健(徳島大学)
連名者3 橋本親典(徳島大学)
連名者4
連名者5
キーワード concrete deterioration、Deterioration Index.、Energy Loss、fire damage、 routine inspection、mechanical Impedance、Non-destructive testing
41
1
先頭ページ 1925
末尾ページ 1930
年度 2019
要旨 The applicability of mechanical impedance method in evaluating the deterioration condition of concrete will improve its reliability. Three different grades of concrete were investigated. Concrete deterioration by fire damage was simulated on all grades of concrete in an electric furnace to an elevated temperatures of 200°C, 400°C, 600°C, 800°C. A deterioration index by impact energy loss on hammering was formulated and proves to be very effective. Irrespective of the grade of concrete, the energy loss deterioration index value is the same for un-deteriorated concrete, and as induced deterioration increases, and later varies slightly with the respective grades of concrete.
PDFファイル名 041-01-1316.pdf


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