作者：AKIHIRO SHIMPO;HATSUO TAIRA;NAOKI HIRAI;
作者單位：Oita Works, Nippon Steel Corporation, 1, Oaza Nishinosu, Oita-shi, Oita-ken 870-0992
刊名：Journal of the Technical Association of Refractories
ISSN：0285-0028
出版年：2004-01-05
卷：24
期：2
起頁：101
止頁：107
分類號：TQ175
語種：英文
關鍵詞：Coarse aggregate;Monolithic refractories;Four-point bending test;Three-point bending test;Weibull plot;Effective volume;Effective surface area;Acoustic emission;
內容簡介The reliability of the three-point bending test for monolithic refractories with coarse aggregates is discussed based on the results of an investigation of the relation between the three-point bending test for refractories using a standard brick shape test specimen and the four-point bending test for construction concrete using a standardized test piece. The Weibull plot of the strength in three-point bending was converted into the value corresponding to a four-point bending test on the basis of the effective volume. The converted three-point data was overlaid on the Weibull plot of the data obtained by the four-point bending test. The conversion of the three-point bending strength data into equivalent four-point bending strength revealed that the three-point bending test was a simple and highly reliable test suitable for monolithic refractories with coarse aggregates.
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