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Early-stage anaerobic zone formation by organic eluate from wood in soil
http://hdl.handle.net/10069/00041302
http://hdl.handle.net/10069/00041302b24b336e-4b5e-4d54-be2d-79d9be019172
名前 / ファイル | ライセンス | アクション |
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SAF62_101109.pdf (1.3 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2022-03-03 | |||||
タイトル | ||||||
タイトル | Early-stage anaerobic zone formation by organic eluate from wood in soil | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Keywords | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Woodchip | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Separated soil | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Organic carbon | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Oxygen consumption rate | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Anaerobic zone | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Methane gas | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者 |
Asakura, Hiroshi
× Asakura, Hiroshi× Nakagawa, Kei× Endo, Kazuto |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | When separated soil (SS) generated from the Great East Japan Earthquake, which contains woodchips and others (WC), is utilized as ground material, microorganisms decompose the organic carbon in WC, and oxygen is consumed in the process. This reaction results in forming an anaerobic zone and generating methane gas. To effectively utilize SS as ground material, it is necessary to prevent anaerobic zone formation to ensure safety. This study clarified the relationship between WC content and the concentration of leached organic carbon (TOC) and the relationship between TOC concentration in the eluate and the oxygen consumption rate were clarified. We obtained the relationship between WC content and the extent of anaerobic zone formation from the results,. The anaerobic zone is formed below the oxygen penetration depth (LO2). LO2 rapidly decreases as the WC weight ratio increases from 0 to 1 w%, and LO2 is almost constant, i.e., around 1 to 2 m above 1 w% WC weight ratio. An increase in WC weight ratio does not significantly decrease LO2 determined by the aerobic decomposition of the solution. From the above, contamination with WC should be limited to 1 w% or less to prevent the formation of an anaerobic zone. If SS has WC above 1 w%, it is required to put a ventilating layer such as crushed stone every few meters or the other countermeasures when SS is utilized as ground material. | |||||
書誌情報 |
Soils and Foundations 巻 62, 号 2, p. 101109, 発行日 2022-02-05 |
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出版者 | ||||||
出版者 | Elsevier B.V. | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 00380806 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1016/j.sandf.2022.101109 | |||||
権利 | ||||||
権利情報 | © 2022 Published by Elsevier B.V. on behalf of Japanese Geotechnical Society. This is an open access article under the CC BY license (http:// creativecommons.org/licenses/by/4.0/). | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
引用 | ||||||
内容記述タイプ | Other | |||||
内容記述 | Soils and Foundations, 62 (2), art. no. 101109; 2022 |