STATISTICAL CORRELATION BETWEEN ALLOPHANE CONTENT AND INDEX PROPERTIES FOR VOLCANIC COHESIVE SOIL

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概要

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• Relationship between allophane content and index properties for volcanic cohesive soil were obtained by statistical treatment of about 120 sample's data. The main results are as follows. 1) Specific surface area, cumulative pore volume and non-free water content increases linearly with increasing allophane content. 2) Natural water content, liquid limit, plastic limit and ignition loss increases linearly with increasing allophane content. 3) Liquidity index decreases with increasing allophane content. 4) Volcanic cohesive soil lies below A-line in plasticity chart and fall more far from the line with increasing allophane content. The soil has its characteristics linear line in the chart. 5) Liquidity index increases linearly with increasing coefficient of flow β which is defined as W_n/W_l. Reasonable classification can be obtained by using the two factors.

• 社団法人地盤工学会の論文
• 1998-12-15

著者

• 宋 永焜

  Civil Engineering Dept. Kanto-gakuin University

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