WEKO3
アイテム
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The degree of the curvature increases regularly with increasing preconsolidation stress (P_0) and overconsolidation ratio (n_p). In this paper the mathematical relationships that exist between the shear strength envelopes and P_0 and n_p are developed. The results are summarized as follows : 1. The peak strength (\u03c4f) may be expressed in terms of \u03c3 and n_p : ^\u03c4f=b^^^- + T. \u03c3^n. n_p where b^^^-, T and n are constants dependent on the degree of overconsolidation and a given soil. 2. Using P_0 as a replacement for n_p, the following expression is obtained : \u03c4f=b^^^- + T. \u03c3^\u003cn-1\u003e. P_0 It shows not only the fact that the value of \u03c4f is proportional to the value of P_0,but also the relationship between \u03c4f and \u03c3 for P_0=constant. 3. The constants b^^^-, T and n are therefore determined from \u03c4f\u0026acd;n_p relationship in the limited stress range for a given soil, and then the shear strength curves for various preconsolidation stress can be illustrated.", "subitem_description_type": "Other"}, {"subitem_description": "\u7d00\u8981\u8ad6\u6587", "subitem_description_type": "Other"}]}, "item_1617186643794": {"attribute_name": "Publisher", "attribute_value_mlt": [{"subitem_1522300295150": "ja", "subitem_1522300316516": "\u7409\u7403\u5927\u5b66\u8fb2\u5b66\u90e8"}]}, "item_1617186702042": {"attribute_name": "Language", "attribute_value_mlt": [{"subitem_1551255818386": "jpn"}]}, "item_1617186783814": {"attribute_name": "Identifier", "attribute_value_mlt": [{"subitem_identifier_type": "HDL", "subitem_identifier_uri": "http://hdl.handle.net/20.500.12000/4371"}]}, "item_1617186920753": {"attribute_name": "Source Identifier", "attribute_value_mlt": [{"subitem_1522646500366": "ISSN", "subitem_1522646572813": "0370-4246"}, {"subitem_1522646500366": "NCID", "subitem_1522646572813": "AN00250548"}]}, "item_1617186941041": {"attribute_name": "Source Title", "attribute_value_mlt": [{"subitem_1522650068558": "ja", "subitem_1522650091861": "\u7409\u7403\u5927\u5b66\u8fb2\u5b66\u90e8\u5b66\u8853\u5831\u544a"}, {"subitem_1522650068558": "en", "subitem_1522650091861": "The Science Bulletin of the Faculty of Agriculture. University of the Ryukyus"}]}, "item_1617187056579": {"attribute_name": "Bibliographic Information", "attribute_value_mlt": [{"bibliographicIssueNumber": "21", "bibliographicPageEnd": "160", "bibliographicPageStart": "151"}]}, "item_1617258105262": {"attribute_name": "Resource Type", "attribute_value_mlt": [{"resourcetype": "departmental bulletin paper", "resourceuri": "http://purl.org/coar/resource_type/c_6501"}]}, "item_1617265215918": {"attribute_name": "Version Type", "attribute_value_mlt": [{"subitem_1522305645492": "VoR", "subitem_1600292170262": "http://purl.org/coar/version/c_970fb48d4fbd8a85"}]}, "item_1617605131499": {"attribute_name": "File", "attribute_type": "file", "attribute_value_mlt": [{"accessrole": "open_access", "download_preview_message": "", "file_order": 0, "filename": "KJ00000162475.pdf", "future_date_message": "", "is_thumbnail": false, "mimetype": "", "size": 0, "url": {"objectType": "fulltext", "url": "https://u-ryukyu.repo.nii.ac.jp/record/2003363/files/KJ00000162475.pdf"}, "version_id": "9cdfa188-ee84-45e9-b782-0808f330fb27"}]}, "item_title": "\u904e\u5727\u5bc6\u7c98\u571f\u306e\u30bb\u30f3\u65ad\u5f37\u5ea6\u7279\u6027\u306b\u304a\u3088\u307c\u3059\u904e\u5727\u5bc6\u6bd4\u306e\u5f71\u97ff(\u8fb2\u696d\u5de5\u5b66\u79d1)", "item_type_id": "15", "owner": "1", "path": ["1642837909137", "1642838407312"], "permalink_uri": "http://hdl.handle.net/20.500.12000/4371", "pubdate": {"attribute_name": "PubDate", "attribute_value": "2008-02-14"}, "publish_date": "2008-02-14", "publish_status": "0", "recid": "2003363", "relation": {}, "relation_version_is_last": true, "title": ["\u904e\u5727\u5bc6\u7c98\u571f\u306e\u30bb\u30f3\u65ad\u5f37\u5ea6\u7279\u6027\u306b\u304a\u3088\u307c\u3059\u904e\u5727\u5bc6\u6bd4\u306e\u5f71\u97ff(\u8fb2\u696d\u5de5\u5b66\u79d1)"], "weko_shared_id": -1}
過圧密粘土のセン断強度特性におよぼす過圧密比の影響(農業工学科)
http://hdl.handle.net/20.500.12000/4371
http://hdl.handle.net/20.500.12000/437143aeeba0-6520-4d2b-a296-a770d4aa3792
| 名前 / ファイル | ライセンス | アクション | |
|---|---|---|---|
KJ00000162475.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 | 過圧密粘土のセン断強度特性におよぼす過圧密比の影響(農業工学科) | |||||||||
| 言語 | ja | |||||||||
| 作成者 |
宜保, 清一
× 宜保, 清一
× Gibo, Seiichi
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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 | ピーク強度(τ_f)は垂直応力(σ)の関数であるばかりでなく過圧密比(n_P)の関数でもある。すなわち次式が成り立つ。τ_f=b+T・σ^n・n_P上式においてnpを先行圧密荷重(P_0)で置き換えると, τ_f=b+T・σ^<n-1>・P_0ここにb, T, nは土性によって決まる定数である。これはP_0の一次関数であると同時に, P_0を一定にした場合のτ_f∿σ関係すなわち過圧密領域のセン断強度特性を示す。したがって, 強度定数を求めるためには, 問題にしている過圧密領域のτ_f∿σ関係の湾曲部を直線で置き換えて限定包絡線とする。このように, 任意の粘土に対しある限られた範囲のτ_f∿n_P関係を実験的に求めることによってその定数が決まるので, P_0が変化した場合のτ_f∿σの特性と強度定数を推定できる。 | |||||||||
| 内容記述タイプ | Other | |||||||||
| 内容記述 | The shear strength line of an overconsolidated clay has a curvature when the shear strengths are determined by undrained tests and plotted against total normal stresses (σ). The degree of the curvature increases regularly with increasing preconsolidation stress (P_0) and overconsolidation ratio (n_p). In this paper the mathematical relationships that exist between the shear strength envelopes and P_0 and n_p are developed. The results are summarized as follows : 1. The peak strength (τf) may be expressed in terms of σ and n_p : ^τf=b^^^- + T. σ^n. n_p where b^^^-, T and n are constants dependent on the degree of overconsolidation and a given soil. 2. Using P_0 as a replacement for n_p, the following expression is obtained : τf=b^^^- + T. σ^<n-1>. P_0 It shows not only the fact that the value of τf is proportional to the value of P_0,but also the relationship between τf and σ for P_0=constant. 3. The constants b^^^-, T and n are therefore determined from τf∿n_p relationship in the limited stress range for a given soil, and then the shear strength curves for various preconsolidation stress can be illustrated. | |||||||||
| 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/20.500.12000/4371 | |||||||||
| 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 21, p. 151-160 |
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