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The Seepage Control of the Tunnel Excavated in High-Pressure Water Condition Using Multiple Times Grouting Method
http://hdl.handle.net/10069/38629
http://hdl.handle.net/10069/38629f4466956-e8f1-484f-8844-7b30bbc35e4e
名前 / ファイル | ライセンス | アクション |
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Processes6_159.pdf (21.9 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2018-10-19 | |||||
タイトル | ||||||
タイトル | The Seepage Control of the Tunnel Excavated in High-Pressure Water Condition Using Multiple Times Grouting Method | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | FLAC3D | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | High groundwater table | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Leakage control | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Multiple grouting | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Tunnel | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Ultramicro cement | |||||
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 |
Gong, Bin
× Gong, Bin× Jiang, Yujing× Okatsu, Keisuke× Wu, Xuezhen× Teduka, Jin× Aoki, Koichi |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Groundwater can cause many hazardous problems when a tunnel is excavating. Seepage force acting on the support structure and the tunnel surface cannot be negligible. Under high groundwater table condition, the seepage situation becomes more complex and it is more difficult to control the leakage of groundwater to flow into a tunnel. In the paper, a multiple times grouting method is proposed, and the mechanical deformation behavior of surrounding rock is analyzed using the FLAC3D (Fast Lagrangian Analysis of Continua in 3 Dimensions) software according to the high groundwater table condition of the Hokusatsu tunnel. The results present that multiple times grouting can control leakage and the rock deformation well, compared with one-time grouting condition in rock breaking and high water pressure area. The seepage force decrease around the tunnel and the displacement is controlled effectively. The pore pressure reduces inside the grouting zone using a new kind of grouting material, which is high permeability ultramicro particle cement (average particle size 1.5 μm). In the test fieldwork, the grouting scheme reduces the maximum discharge from 300 t/h to 40 t/h, and there is not obvious deformation and abnormal stress in the tunnel. The multiple times grouting method proposed in this research is verified effectively and can supply a positive experience to on-site construction. | |||||
書誌情報 |
Processes 巻 6, 号 9, p. 159, 発行日 2018-09-01 |
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出版者 | ||||||
出版者 | MDPI AG | |||||
EISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 22279717 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.3390/pr6090159 | |||||
権利 | ||||||
権利情報 | c 2018 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution(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 | Processes, 6(9), art.no.159; 2018 |