JP2011058173A - 軟弱地盤の改良方法 - Google Patents
軟弱地盤の改良方法 Download PDFInfo
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- JP2011058173A JP2011058173A JP2009205762A JP2009205762A JP2011058173A JP 2011058173 A JP2011058173 A JP 2011058173A JP 2009205762 A JP2009205762 A JP 2009205762A JP 2009205762 A JP2009205762 A JP 2009205762A JP 2011058173 A JP2011058173 A JP 2011058173A
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- soft ground
- drain
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- 238000000034 method Methods 0.000 title claims abstract description 30
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- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
【解決手段】含水比の高い軟弱地盤Gを改良する軟弱地盤の改良方法である。そして、一端が真空ポンプ2に接続される水平ドレーン1を、軟弱地盤の表面に横たえて深度方向に押し込むことで複数の水平ドレーン1,1を軟弱地盤の中に横向きに配置する工程と、軟弱地盤の表面を気密シート3で覆う工程と、真空ポンプを稼働させて水平ドレーンを介して軟弱地盤の脱水をおこなう工程とを備えている。
【選択図】図1
Description
1 水平ドレーン(ドレーン材)
11 有孔管
11a 孔
2 真空ポンプ
21,23 接続管
22 接続ホース
3 気密シート
4 帯状ドレーン(連絡用ドレーン材)
4a 端部
5,6 連絡ドレーン(連絡用ドレーン材)
5a,6a 端部
51,61 枝部
Claims (7)
- 含水比の高い軟弱地盤を改良する軟弱地盤の改良方法であって、
一端が真空ポンプに接続されるドレーン材を、前記軟弱地盤の表面に横たえて深度方向に沈降させることで複数のドレーン材を前記軟弱地盤の中に横向きに配置する工程と、
前記軟弱地盤の表面を気密シートで覆う工程と、
前記真空ポンプを稼働させて前記ドレーン材を介して前記軟弱地盤の脱水をおこなう工程とを備えたことを特徴とする軟弱地盤の改良方法。 - 前記ドレーン材は、周面に複数の孔が設けられた有孔管を備えていることを特徴とする請求項1に記載の軟弱地盤の改良方法。
- 複数の前記ドレーン材間は、両端が各ドレーン材にそれぞれ連通される連絡用ドレーン材によって連結されることを特徴とする請求項1又は2に記載の軟弱地盤の改良方法。
- 前記連絡用ドレーン材は、前記ドレーン材の間隔より長いことを特徴とする請求項1乃至3のいずれか一項に記載の軟弱地盤の改良方法。
- 前記連絡用ドレーン材は、可撓性材料によって形成されていることを特徴とする請求項1乃至4のいずれか一項に記載の軟弱地盤の改良方法。
- 前記連絡用ドレーン材は、途中で分岐する枝部を備えていることを特徴とする請求項1乃至5のいずれか一項に記載の軟弱地盤の改良方法。
- 前記ドレーン材を前記軟弱地盤の底部まで沈降させることを特徴とする請求項1乃至6のいずれか一項に記載の軟弱地盤の改良方法。
Priority Applications (1)
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JP2009205762A JP5390308B2 (ja) | 2009-09-07 | 2009-09-07 | 軟弱地盤の改良方法 |
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JP2009205762A JP5390308B2 (ja) | 2009-09-07 | 2009-09-07 | 軟弱地盤の改良方法 |
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JP2011058173A true JP2011058173A (ja) | 2011-03-24 |
JP5390308B2 JP5390308B2 (ja) | 2014-01-15 |
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JP2009205762A Active JP5390308B2 (ja) | 2009-09-07 | 2009-09-07 | 軟弱地盤の改良方法 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013185379A (ja) * | 2012-03-09 | 2013-09-19 | Penta Ocean Construction Co Ltd | 真空圧密工法 |
JP2015036498A (ja) * | 2013-08-13 | 2015-02-23 | 機動建設工業株式会社 | 地下水の排出構造及び地下水の排出構造の施工方法 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
MY166938A (en) | 2011-03-11 | 2018-07-25 | Saint Gobain Ceramics | Refractory object, glass overflow forming block, and process for glass object manufacture |
CN108689591A (zh) | 2011-03-30 | 2018-10-23 | 圣戈本陶瓷及塑料股份有限公司 | 耐火物体、玻璃溢流形成块、以及形成和使用该耐火物体的方法 |
TWI492915B (zh) | 2012-01-11 | 2015-07-21 | Saint Gobain Ceramics | 耐火物件及使用耐火物件形成玻璃板之方法 |
WO2016138111A1 (en) | 2015-02-24 | 2016-09-01 | Saint-Gobain Ceramics & Plastics, Inc. | Refractory article and method of making |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50118522A (ja) * | 1974-03-04 | 1975-09-17 | ||
JPS54158007A (en) * | 1978-06-03 | 1979-12-13 | Nakano Chika Kouji Yuugen | Method of construction of suction drain in sludge layer*etc*and suction filter used for said construction method |
JPH11172666A (ja) * | 1997-12-08 | 1999-06-29 | Amano:Kk | 水平ドレーンおよびその連結体並びにその施工方法 |
JP2002242170A (ja) * | 2001-02-16 | 2002-08-28 | Hazama Gumi Ltd | 真空圧密による地盤改良工法 |
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2009
- 2009-09-07 JP JP2009205762A patent/JP5390308B2/ja active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50118522A (ja) * | 1974-03-04 | 1975-09-17 | ||
JPS54158007A (en) * | 1978-06-03 | 1979-12-13 | Nakano Chika Kouji Yuugen | Method of construction of suction drain in sludge layer*etc*and suction filter used for said construction method |
JPH11172666A (ja) * | 1997-12-08 | 1999-06-29 | Amano:Kk | 水平ドレーンおよびその連結体並びにその施工方法 |
JP2002242170A (ja) * | 2001-02-16 | 2002-08-28 | Hazama Gumi Ltd | 真空圧密による地盤改良工法 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013185379A (ja) * | 2012-03-09 | 2013-09-19 | Penta Ocean Construction Co Ltd | 真空圧密工法 |
JP2015036498A (ja) * | 2013-08-13 | 2015-02-23 | 機動建設工業株式会社 | 地下水の排出構造及び地下水の排出構造の施工方法 |
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