JP5083806B2 - グラウト注入方法 - Google Patents
グラウト注入方法 Download PDFInfo
- Publication number
- JP5083806B2 JP5083806B2 JP2007135249A JP2007135249A JP5083806B2 JP 5083806 B2 JP5083806 B2 JP 5083806B2 JP 2007135249 A JP2007135249 A JP 2007135249A JP 2007135249 A JP2007135249 A JP 2007135249A JP 5083806 B2 JP5083806 B2 JP 5083806B2
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- JP
- Japan
- Prior art keywords
- liquid
- grout
- injection
- water glass
- slag
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0028—Aspects relating to the mixing step of the mortar preparation
- C04B40/0039—Premixtures of ingredients
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/18—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing mixtures of the silica-lime type
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/06—Inhibiting the setting, e.g. mortars of the deferred action type containing water in breakable containers ; Inhibiting the action of active ingredients
- C04B40/0641—Mechanical separation of ingredients, e.g. accelerator in breakable microcapsules
- C04B40/065—Two or more component mortars
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00034—Physico-chemical characteristics of the mixtures
- C04B2111/00146—Sprayable or pumpable mixtures
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00034—Physico-chemical characteristics of the mixtures
- C04B2111/00215—Mortar or concrete mixtures defined by their oxide composition
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/70—Grouts, e.g. injection mixtures for cables for prestressed concrete
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Description
この実験1では、A液中の水ガラスにおける「モル比、水ガラス量や遊離アルカリに起因した絶対アルカリ量」がスラグのアルカリ刺激剤として作用(硬化)するかどうかを明らかにするため、表1の水ガラスを用いて各種の配合について実験を行い、表2の結果を得た。実験時の液温は20℃である。
この実験2では、本発明で使用するグラウトが従来の地盤注入グラウトと比べその性状において問題がないか否かを検証した。具体的には、表2の実験No.15,16で使用した非自硬性の混合液をA液とし、石灰からなる非自硬性の懸濁液をB液とし、A液とB液をそれぞれ組み合わせた場合のゲルタイム並びに強度を測定し、表3の結果を得た。なお、実験時の液温は20℃である。また、一軸圧縮強度で使用する供試体は、直径50mm、高さ100mmの円筒形とした。また、材令は28日としている。
この実験3では、A液とB液(実験No.36は除く)にそれぞれ増粘剤としてベントナイトを加えた場合のゲルタイム並びに強度を測定し、表4の結果を得た。
Claims (2)
- モル比がJIS3号品以上である水ガラスをNa2 O換算で5.3〜0.50重量%含有したスラグと水ガラスからなる非自硬性の混合液をA液、石灰からなる非自硬性の懸濁液をB液とし、これらのA液とB液を別々に調合槽で調合した後、注入管を通して圧送して注入地点の合流部で混合させることで得られた硬化性グラウトを注入する第1段階と、注入終了後、合流部より先の注入管内に存在する硬化性グラウトを水洗いして取り除き、調合槽内及び合流部より手前の注入管内に残留したA液とB液をそのまま残置する第2段階と、次の注入時に、第2段階で残置したA液とB液をそのままグラウトとして注入する第3段階とからなることを特徴とするグラウト注入工法。
- A液とB液にそれぞれ増粘剤を併用することを特徴とする請求項1に記載のグラウト注入工法。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007135249A JP5083806B2 (ja) | 2007-05-22 | 2007-05-22 | グラウト注入方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007135249A JP5083806B2 (ja) | 2007-05-22 | 2007-05-22 | グラウト注入方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008291057A JP2008291057A (ja) | 2008-12-04 |
JP5083806B2 true JP5083806B2 (ja) | 2012-11-28 |
Family
ID=40166140
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007135249A Active JP5083806B2 (ja) | 2007-05-22 | 2007-05-22 | グラウト注入方法 |
Country Status (1)
Country | Link |
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JP (1) | JP5083806B2 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013217100A (ja) * | 2012-04-09 | 2013-10-24 | Shimoda Gijutsu Kenkyusho:Kk | 二液性グラウトの圧送注入方法 |
JP2018021308A (ja) * | 2016-08-01 | 2018-02-08 | 富士化学株式会社 | 裏込材 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5178515A (ja) * | 1974-12-30 | 1976-07-08 | Kyokado Eng Co | Nanjakujibannokoketsuho |
JPS5949284A (ja) * | 1982-09-16 | 1984-03-21 | Shimoda Gijutsu Kenkyusho:Kk | スラグ−石灰系薬液注入工法 |
JP2946061B2 (ja) * | 1991-04-01 | 1999-09-06 | 三菱レイヨン株式会社 | 複式グラウト注入工法およびそれに用いる装置 |
JP2001311391A (ja) * | 2000-04-26 | 2001-11-09 | Ohbayashi Corp | 充填材の圧送方法 |
JP3413398B2 (ja) * | 2000-09-19 | 2003-06-03 | 強化土エンジニヤリング株式会社 | 地盤固結工法 |
JP3698714B1 (ja) * | 2004-11-25 | 2005-09-21 | 利夫 福田 | 改良体中の重金属類の溶出を低減する方法及びその装置 |
JP4257920B2 (ja) * | 2005-12-22 | 2009-04-30 | 有限会社シモダ技術研究所 | グラウト材 |
-
2007
- 2007-05-22 JP JP2007135249A patent/JP5083806B2/ja active Active
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JP2008291057A (ja) | 2008-12-04 |
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