フライアッシュセメントの特性と鉱山への適用について

DOI Web Site 被引用文献3件 参考文献14件
  • 島田 英樹
    九州大学大学院　工学研究院　地球資源システム工学部門
  • SADISUN Imam A.
    Department of Earth Resources Engineering, Faculty of Engineering, Kyushu University
  • 一ノ瀬 政友
    九州大学大学院　工学研究院　地球資源システム工学部門
  • 植田 武
    三井松島産業(株) 燃料 · エネルギー事業部　資源開発部
  • 吉田 安廣
    三協マテリアル(株)
  • 松井 紀久男
    九州大学大学院　工学研究院　地球資源システム工学部門

書誌事項

タイトル別名
  • Characteristics of Flyash Cement and Its Application in Mining
  • フライアッシュセメント ノ トクセイ ト コウザン エ ノ テキヨウ ニ ツイテ

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抄録

A large amount of flyash from the coal combustion is produced. About 55% of flyash in Japan is now utilized and the remains are dumped at disposal sites; however, the life of these sites is limited. Therefore, in this study, an effort was made to analyze the lining materials by applying flyash cement as a part of its recycle and utilization. When flyash is added to Portland cement, the same kinds of oxides as those of the cement are added. As an injection component, flyash acts, in part, as a fine aggregate which has similar function to fine debris materials of slake-prone rock and, in part, as a binding component.<BR>From these points of view, in order to clarify to what degree the flyash content affects the properties of the lining materials, some different combinations of flyash, Portland cement and water were considered by means of several laboratory experiments, such as a fluidability test, unconfined compressive test, slaking index test and so on. Also, the utilization of flyash as backfilling materials in the mining engineering fields by means of laboratory testing and a numerical method was applied to analyzing the slake-prone rock slope stability when the mixtures are implemented as lining materials of the embankment.

収録刊行物

  • 資源と素材

    資源と素材 120 (8), 469-475, 2004

    一般社団法人 資源・素材学会

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