JP5873715B2 - 海水によって練り混ぜた地盤注入材、及び、地盤改良方法 - Google Patents
海水によって練り混ぜた地盤注入材、及び、地盤改良方法 Download PDFInfo
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- JP5873715B2 JP5873715B2 JP2011288919A JP2011288919A JP5873715B2 JP 5873715 B2 JP5873715 B2 JP 5873715B2 JP 2011288919 A JP2011288919 A JP 2011288919A JP 2011288919 A JP2011288919 A JP 2011288919A JP 5873715 B2 JP5873715 B2 JP 5873715B2
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- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
Description
Claims (5)
- セメント系材料と分散剤とを練り混ぜ水によって練り混ぜた地盤注入材であって、
前記練り混ぜ水として海水を用いるとともに、流動性を向上させるための特殊混和剤として亜硝酸塩を用いることを特徴とする地盤注入材。 - 前記亜硝酸塩が亜硝酸カルシウムであることを特徴とする請求項1に記載の地盤注入材。
- 前記亜硝酸カルシウムの添加量を、前記セメント系材料の量の1%以上であって2.5%以下の範囲内に定めることを特徴とする請求項2に記載の地盤注入材。
- 前記分散剤としてナフタレンスルホン酸系の界面活性剤を用いることを特徴とする請求項1から3の何れか1項に記載の地盤注入材。
- 地盤注入材を改良対象となる地盤に注入することで、前記地盤を改良する地盤改良方法であって、
請求項1から4の何れか1項に記載の地盤注入材を、注入圧力の強弱を変えながら前記地盤へ注入することを特徴とする地盤改良方法。
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JP2011288919A JP5873715B2 (ja) | 2011-12-28 | 2011-12-28 | 海水によって練り混ぜた地盤注入材、及び、地盤改良方法 |
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JP2011288919A JP5873715B2 (ja) | 2011-12-28 | 2011-12-28 | 海水によって練り混ぜた地盤注入材、及び、地盤改良方法 |
Publications (2)
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JP2013136700A JP2013136700A (ja) | 2013-07-11 |
JP5873715B2 true JP5873715B2 (ja) | 2016-03-01 |
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JP2011288919A Expired - Fee Related JP5873715B2 (ja) | 2011-12-28 | 2011-12-28 | 海水によって練り混ぜた地盤注入材、及び、地盤改良方法 |
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Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JP6275029B2 (ja) * | 2014-12-12 | 2018-02-07 | パンパシフィック・カッパー株式会社 | 堆積物の安定化法 |
JP6275028B2 (ja) * | 2014-12-12 | 2018-02-07 | パンパシフィック・カッパー株式会社 | 堆積物の安定化法 |
JP2018123176A (ja) * | 2017-01-30 | 2018-08-09 | デンカ株式会社 | 地盤改良材料スラリーおよび地盤改良工法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JP4180938B2 (ja) * | 2003-02-12 | 2008-11-12 | 住友大阪セメント株式会社 | 自硬性空隙充填材及び空隙充填工法 |
JP4878857B2 (ja) * | 2005-08-31 | 2012-02-15 | 株式会社トクヤマ | ジェットグラウト工法用地盤改良添加剤及びそれを用いた地盤改良セメント組成物 |
JP4489707B2 (ja) * | 2006-01-30 | 2010-06-23 | 電気化学工業株式会社 | グラウト組成物、それを用いたモルタル又はコンクリート、及びグラウト材料 |
CN101225659B (zh) * | 2008-01-24 | 2010-12-08 | 北京中永基固化剂科技发展有限公司 | 固化剂处理软弱土地基的施工方法 |
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