電気浸透と電解の原理による土と壁体間摩擦の軽減に関する実験

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  • 浅川 美利
    社團法人土木學會 日本大学, 理工学部土木教室

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タイトル別名
  • REDUCTION OF SKIN-FRICTION BETWEEN SOIL AND METAL WALL BY THE ELECTRO-OSMOSIS METHOD
  • デンキ シントウ ト デンカイ ノ ゲンリ ニ ヨル ツチ ト ヘキタイ カン マサツ ノ ケイゲン ニ カンスル ジッケン

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抄録

If the principle of electro-osmosis is applied as a method of reducing skin friction between a metal wall and a mass of clay, the operation is simpler as compared with the conventional methods.<br>Moreover, this method is convenient, because the same equipment can be simultaneously used for not only reducing but also increasing the skin friction.<br>H. K. S. Ph. Begemann suggested already that this method could be succesefully applied to the pile-driving and the sinking of pite foundation.<br>But he did not present the mechanism of reducing skin friction, nor a possibility of effectively utilizing this method for various types of soil.<br>On the mechanism of decreasing skin friction, the author indicated that the electro physical effects consists of two reducing effects; the bubble effect due to electrolysis of water and the letting and accumlating effects due to development of osmotic water around the negative electrode. Futhermore, the author treated experimentally the practical application of this method to the various conditions of samples.<br>As a general result, it has been discovered that there is a possibility of effectively utilizing this method to the foundation work in clay soil having high adhesion.

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