JP4441613B2 - 構造物の背面における地盤改良構造 - Google Patents
構造物の背面における地盤改良構造 Download PDFInfo
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- JP4441613B2 JP4441613B2 JP2004261783A JP2004261783A JP4441613B2 JP 4441613 B2 JP4441613 B2 JP 4441613B2 JP 2004261783 A JP2004261783 A JP 2004261783A JP 2004261783 A JP2004261783 A JP 2004261783A JP 4441613 B2 JP4441613 B2 JP 4441613B2
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- wall
- improved
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- ground
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- 239000002689 soil Substances 0.000 claims description 43
- 239000004575 stone Substances 0.000 claims description 10
- 238000005192 partition Methods 0.000 claims description 8
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000000243 solution Substances 0.000 description 3
- 230000002265 prevention Effects 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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Description
なお、背面改良壁11、上面改良壁13、側面改良壁14および各隔壁7aの厚さも上記と同じ厚さとする。またHおよびθは図1中に示す。
2 基礎捨石
3 ケーソン護岸
4 裏込石層
5、18 裏込土
6 砕石
7、17 固化体
7a 隔壁
8 未改良土
8a 区画室
9 改良土
10 前面改良壁
11 底面改良壁
12 背面改良壁
13 上面改良壁
14 側面改良壁
15 原地盤
Claims (2)
- 構造物の裏側に裏込土を改良した固化体が形成され、この固化体は内側の未改良土が外側の改良土でなる前面改良壁,底面改良壁,背面改良壁,上面改良壁,側面改良壁で覆われ、且つ、固化体は原地盤と接触した底部を備えており、
前記固化体の背面改良壁は、背後からの水平合力が低減され且つ改良体の摩擦抵抗が増加されるように、前記構造物から裏側に向かって下り傾斜に形成された裏込石層の傾斜面に沿った形状であること、
を特徴とする構造物の背面における地盤改良構造。 - 外側の改良土で囲まれた固化体の内側は、隔壁で複数の区画室に形成されていること、
を特徴とする請求項1に記載の構造物の背面における地盤改良構造。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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JP2004261783A JP4441613B2 (ja) | 2004-09-09 | 2004-09-09 | 構造物の背面における地盤改良構造 |
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JP2004261783A JP4441613B2 (ja) | 2004-09-09 | 2004-09-09 | 構造物の背面における地盤改良構造 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006077443A JP2006077443A (ja) | 2006-03-23 |
JP4441613B2 true JP4441613B2 (ja) | 2010-03-31 |
Family
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JP2004261783A Active JP4441613B2 (ja) | 2004-09-09 | 2004-09-09 | 構造物の背面における地盤改良構造 |
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JP (1) | JP4441613B2 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4511400B2 (ja) * | 2005-03-29 | 2010-07-28 | 東亜建設工業株式会社 | セメント系固化材注入混合による裏込砂の改良層の強度および層厚の決定方法 |
JP5117683B2 (ja) * | 2006-04-12 | 2013-01-16 | 株式会社間組 | 堤体の補強構造 |
JP5274941B2 (ja) * | 2008-08-29 | 2013-08-28 | 公益財団法人鉄道総合技術研究所 | 橋台とその背面に設けられた盛土の補強方法 |
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JP2006077443A (ja) | 2006-03-23 |
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