リグニン系材料による新しい土質安定処理について

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  • 山内 豊聰
    社團法人土木學會 九州大学, 工学部土木工学教室

書誌事項

タイトル別名
  • A NEW STABILIZATION OF SOILS BY MEANS OF LIGNIN MATERIALS
  • リグニンケイ ザイリョウ ニ ヨル アタラシイ ドシツ アンテイ ショリ ニ ツイテ

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抄録

It is found by the author that a new soil stabilization by means of lignin materials—spent sulphite liquor or its extracts—adding potassium dichromate, aluminium sulfate or ferric chloride as the auxiliary agent is most suitable to the organo-volcanic ash soils in Japan, which cannot be well stabilized by means of Portland cement, and the effects by the new lignin method are explained from the soil engineering point of view. Next, this method is applied to the grouting into the ground as a new method, and the test results in laboratory are written, showing the promise of practical use.

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