還元有機泥覆砂材に活用される石炭灰造粒物の土壌反応特性と底質安定化機構 STUDY OF SEDIMENTS STABILIZATION MECHANISM AND SOIL REACTIVITY BY GRANULATED COAL ASH UTILIZED TO COVERING MATERIAL IN SEDIMENTS WHERE SLUDGE DEPOSITED

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抄録

 Recently, sludge purification of organic matter enriched sediments using granulated coal ash(GCA) have been used in Hiroshima delta areas. It has been proved that GCA can absorb the compounds of phosphorus, nitrogen and sulfur. However, the material properties of GCA for soil reactivity and sediment stabilization have not been clarified. The purpose of this study is to evaluate the sediment stabilization mechanism and the performance of sediments improvement by GCA utilized as covering material. Laboratory experiments were carried out to evaluate the soil reactivity (e.g. chemical properties, CEC, phosphate absorption coefficient) and sediments stabilization mechanism by GCA covering method. And, field investigations were also carried out to estimate the stabilization ability by GCA. From our findings, it is concluded that GCA can be used as a covering material to improve sediments stabilization in organic matter enriched sediments.

収録刊行物

  • 土木学会論文集B1(水工学)

    土木学会論文集B1(水工学) 72(4), I_1027-I_1032, 2016

    公益社団法人 土木学会

各種コード

  • NII論文ID(NAID)
    130005311938
  • NII書誌ID(NCID)
    AN10426673
  • 本文言語コード
    JPN
  • ISSN
    1880-8751
  • NDL 記事登録ID
    027186126
  • NDL 請求記号
    YH247-620
  • データ提供元
    NDL  J-STAGE 
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