GEOLOGICAL, PHYSICAL, AND MECHANICAL PROPERTIES OF "SHIRASU" AND ITS ENGINEERING CLASSIFICATION

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概要

• 論文の詳細を見る

• Shirasu in southern Kyushu is the deposits caused by volcanic activities, and structurally unstable. It is also called "special soil". This paper contains the descriptions on the formation and constituents of Shirasu, the engineering classification, and the physical and mechanical properties, for estimating the stability of slopes in undisturbed Shirasu and compacted earth fills.Shirasu possesses grains of peculiar shape and surface texture, and its chemical components are composed dominantly of silica and alumina. As for mineral composition volcanic glass greatly surpasses others in quantity. Shirasu deposits can be classified into five distinct groups from the standpoint of soil engineering with its geological aspects in consideration. Physical and mechanical properties are different with the kinds of Shirasu due to engineering classification. Research is needed in order to develop the specification of designs of structures in and of Shirasu and to prevent and decrease in disaster.

• 社団法人地盤工学会の論文
• 1973-09-15

著者

• Haruyama Motohisa

  Faculty Of Agriculture Kagoshima University

関連論文

• EFFECT OF WATER CONTENT ON THE SHEAR CHARACTERISTICS OF GRANULAR SOILS SUCH AS SHIRASU
• A Type of Slope-Failures in Volcanic Areas of Southern Kyushu, Japan
• GEOLOGICAL, PHYSICAL, AND MECHANICAL PROPERTIES OF "SHIRASU" AND ITS ENGINEERING CLASSIFICATION
• EFFECT OF SURFACE ROUGHNESS ON THE SHEAR CHARACTERISTICS OF GRANULAR MATERIALS

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