各種フライアッシュの共通試験報告

DOI Web Site 被引用文献1件
  • 国分 正胤
    土木学会フライアッシュ小委員会 社團法人土木學會 東京大学, 工学部土木工学教室
  • 河原 友純
    土木学会フライアッシュ小委員会 社團法人土木學會 電力中央研究所技術研究所, 第二部コンクリート研究室
  • 太斉 宗一
    土木学会フライアッシュ小委員会 社團法人土木學會 電源開発KK, 土木部設計課

書誌事項

タイトル別名
  • COLLECTIVE TESTS OF VARIOUS FLY ASH
  • カクシュ フライアッシュ ノ キョウツウ シケン ホウコク

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抄録

A broad investigation undertaken by the Subcommittee on Fly Ash of quality and uniformity of fly ash from the major producers in Japan is discussed in this paper. Fly ash from thirteen plants of nine firms were sent in three shipments each to thirteen different laboratories where identical tests were conducted. Uniformity of samples taken daily at eleven plants for approximately one month running on two occasions were also tested. It is concluded that (1) thirty-two of a total of thirty-three varieties of fly ash were acceptable in quality under Japanese Industrial Standard (JIS) designations, results of tests on concrete made with these fly ashes being good, although there was considerable dissimilarity in quality between each other, while at few plants there was a great difference according to the time of day that samples were obtained and (2) that the deviation in quality of fly ash between periods of high and low water fell within the range specified in JIS.

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