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タイトル: | 酸性雨が化学安定処理土の耐久性に及ぼす影響 |
その他のタイトル: | EFFECT OF ACID RAIN ON DURABILITY OF LIME AND CEMENT STABILIZED SOILS |
著者: | 嘉門, 雅史 ![]() 勝見, 武 ![]() 応, 長雲 ![]() 宮武, 一都 ![]() |
著者名の別形: | KAMON, Masashi KATSUMI, Takeshi YING, Changyun MIYATAKE, Kazuto |
発行日: | 1-Apr-1996 |
出版者: | 京都大学防災研究所 |
誌名: | 京都大学防災研究所年報. B |
巻: | 39 |
号: | B-2 |
開始ページ: | 27 |
終了ページ: | 36 |
抄録: | The infiltration and soak tests were conducted at different pH levels of artificial acid rain to experimentally simulate the erosion process on stabilized soils, which were used at parts of the subgrade and base course. The authors used three types of lime and cement stabilized soils, and focused on the physico-chemical and engineering behaviors of the eroded soils. Results obtained show that the pH values of the lime and cement stabilized soils generally decreased with continuous infiltration or soak and that these decreases were greater under a higher acid condition. A large reduction of the unconfined compressive strength obtained from the specimens eroded by the higher acid rain was observed in comparison to ones eroded by the weaker acid rain. In particular, the unconfined compressive strength of the lime stabilized decomposed granite soil (LDGS) eroded by the acid rain with pH 2.0 decreased to 1/6 of its initial value after a small flux of infiltration. |
URI: | http://hdl.handle.net/2433/72705 |
関連リンク: | http://www.dpri.kyoto-u.ac.jp/nenpo/nenpo.html |
出現コレクション: | No.39 B-2 |
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