書誌事項
- タイトル別名
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- Mechanical Properties of CO<sub>2</sub> Injectedmudstone of OtadaiFormation under Triaxial Compression Test
- 三軸圧縮応力下でのCO₂圧入による大田代層泥岩の力学特性の評価
- サンジク アッシュク オウリョク カ デ ノ CO ₂ アツニュウ ニ ヨル オオタダイソウ デイガン ノ リキガク トクセイ ノ ヒョウカ
- Mechanical Properties of CO2 Injectedmudstone of OtadaiFormation under Triaxial Compression Test
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抄録
In this study, a difference between mechanical properties of water saturated and CO2 injected mudstone were investigated. Triaxial experiments, which simulated pressure and temperature at 1000 m deep underground, were conducted under drained and undrained conditions. Specimen were taken from Otadai mudstone Formation which is thought to be suitable for a caprock of carbon dioxide capture and storage reservoir. Experimental results were analyzed using poroelastic theory. Results are summarized as follows. (1) Under the both drained and undrained condition, Young<tt>'</tt>s modulus and Poisson ratio of CO2-injected specimens were smaller than that of water saturated specimens. Triaxial strength of CO2-injected specimens were slightly higher than that of water saturated specimen. (2) Mineral particles do not seem to be dissolved since no significant differences in mechanical properties were observed between CO2-injected and N2-injected specimens. (3) Peak stress of water saturated specimens became larger by higher pore pressure than that of CO2-injected specimens.
収録刊行物
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- 資源と素材
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資源と素材 129 (7), 440-446, 2013
一般社団法人 資源・素材学会
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詳細情報 詳細情報について
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- CRID
- 1390001205279917952
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- NII論文ID
- 10031182242
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- NII書誌ID
- AA12188381
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- COI
- 1:CAS:528:DC%2BC3sXhslWktb%2FL
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- ISSN
- 18840450
- 18816118
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- NDL書誌ID
- 024755555
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可