WEKO3
アイテム
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マージ粘土の膨潤,収縮について : 風乾試料の静的締固めの場合(農業工学科)
http://hdl.handle.net/20.500.12000/4340
http://hdl.handle.net/20.500.12000/434036f26485-e1e6-4701-bf2b-f39b8d570038
| 名前 / ファイル | ライセンス | アクション | |
|---|---|---|---|
KJ00000162525.pdf
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| Item type | デフォルトアイテムタイプ（フル）(1) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 公開日 | 2008-02-14 | |||||||||
| タイトル | ||||||||||
| タイトル | マージ粘土の膨潤,収縮について : 風乾試料の静的締固めの場合(農業工学科) | |||||||||
| 言語 | ja | |||||||||
| 作成者 |
宮城, 調勝
× 宮城, 調勝
× Miyagi, Norikatsu
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| アクセス権 | ||||||||||
| アクセス権 | open access | |||||||||
| アクセス権URI | http://purl.org/coar/access_right/c_abf2 | |||||||||
| 内容記述 | ||||||||||
| 内容記述タイプ | Other | |||||||||
| 内容記述 | イライト,ハロイサイト,A1-バーミキュライト,ゲータイト,ギプサイト等を含む国頭マージ(粘板岩粘土)の膨潤,収縮について巨視的に測定した結果では,1),土が毛管作用によって吸水し,試料表面がわずかに湿潤した時点では,膨潤圧は密な試料ほど大きく,その値は最終圧の90%以上にも達している。2),膨潤圧pと間げき比eの関係はp=4.65×(10)^<-6>e^<-5.16> p : kg/(cm)^2であった。3),土が収縮した場合の間げき半径は,収縮前の土の膨潤率によって変化する。また,土の比表面積をBET法により測定した結果では,4),粉体試料の方が締固め試料に比べて大きな値を示している。この実験は,静的に締固めた風乾試料についてのみ行なったが,ねり返した粘性土については今後の課題としたい。 | |||||||||
| 内容記述タイプ | Other | |||||||||
| 内容記述 | MAJI clay, used in this study, contains illite, halloysite, Al-vermiculite, goethite, gibbsite as clay mineral. The results of swelling and shrinking test for this samples, which were used under 5 grain size by diameter, are as follows. 1). Swelling pressure has increased to over 90 percent of its final in dense samples, when surface of compacted sample is just saturated by capillarity. 2). Relationship between swelling pressure (p : kg/(cm)^2) and void-ratio (e) is as follows. p=4.65×(10)^<-6>e^<-5.16> 3). Void-radius of dry compacted samples varied in various values of void ratio before drying. 4). Surface area by gas adsorption give larger values to fine samples than compacted dry samples. | |||||||||
| 内容記述タイプ | Other | |||||||||
| 内容記述 | 紀要論文 | |||||||||
| 出版者 | ||||||||||
| 言語 | ja | |||||||||
| 出版者 | 琉球大学農学部 | |||||||||
| 言語 | ||||||||||
| 言語 | jpn | |||||||||
| 資源タイプ | ||||||||||
| 資源タイプ | departmental bulletin paper | |||||||||
| 資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||||||
| 出版タイプ | ||||||||||
| 出版タイプ | VoR | |||||||||
| 出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||||||
| 識別子 | ||||||||||
| 識別子 | http://hdl.handle.net/20.500.12000/4340 | |||||||||
| 識別子タイプ | HDL | |||||||||
| 収録物識別子 | ||||||||||
| 収録物識別子タイプ | ISSN | |||||||||
| 収録物識別子 | 0370-4246 | |||||||||
| 収録物識別子タイプ | NCID | |||||||||
| 収録物識別子 | AN00250548 | |||||||||
| 収録物名 | ||||||||||
| 言語 | ja | |||||||||
| 収録物名 | 琉球大学農学部学術報告 | |||||||||
| 書誌情報 |
号 22, p. 289-298 |
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