Laboratory experiments on frost shattering of rocks

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書誌事項

タイトル
Laboratory experiments on frost shattering of rocks
著者
松岡, 憲知
著者別名
  • Matsuoka, Norikazu
学位授与大学
筑波大学
取得学位
博士（理学）
学位授与番号
甲第297号
学位授与年月日
1985-03-25

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説明

Two kinds of laboratory experiments are performed to examine the mechanism of frost shattering of rocks. One is a freeze-thaw experiment to study the relation of the lithological conditions to the frost shattering rate. The other is an expriment to investigate the physical processes in frost shattering. Forty-seven types of rocks are subjected to repeating freeze-thaw cycles under same temperature and moisture conditions. The frost shattering rate of rock Rv is determined by the reduction of the longitudinal wave velocity of the rock during freeze-thaw cycles. The value of Rv cannot be explained by any rock property including the porosity, the tensile strength and the specific surface area solely. ･･･

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