JP5956598B2 - 自己圧密コンクリートを生成するための重油灰の利用 - Google Patents
自己圧密コンクリートを生成するための重油灰の利用 Download PDFInfo
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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
- C04B7/00—Hydraulic cements
- C04B7/24—Cements from oil shales, residues or waste other than slag
- C04B7/26—Cements from oil shales, residues or waste other than slag from raw materials containing flue dust, i.e. fly ash
-
- 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
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/04—Waste materials; Refuse
- C04B18/06—Combustion residues, e.g. purification products of smoke, fumes or exhaust gases
- C04B18/08—Flue dust, i.e. fly ash
- C04B18/087—Flue dust, i.e. fly ash from liquid fuels, e.g. oil
-
- 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
- C04B28/02—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 hydraulic cements other than calcium sulfates
-
- 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
- C04B2111/00103—Self-compacting 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
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/26—Corrosion of reinforcement resistance
-
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Organic Chemistry (AREA)
- Structural Engineering (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- Inorganic Chemistry (AREA)
- Civil Engineering (AREA)
- Combustion & Propulsion (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- General Chemical & Material Sciences (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Processing Of Solid Wastes (AREA)
Description
Claims (29)
- 重油灰自己充填コンクリートであって、
ポゾラン質骨材と、
重油灰微粒子であって、前記重油灰微粒子は、少なくとも90%の炭素を含み、前記重油灰微粒子の少なくとも80%は、45マイクロメートル(#325ふるい)よりも微細であり、前記重油灰微粒子はセメント質特性又はポゾラン質特性を有さず、且つ石灰と反応しない、重油灰微粒子と、
水と、
ポルトランドセメントと、を主成分とし、
前記重油灰自己充填コンクリートは、前記重油灰微粒子および骨材の存在下での前記水および前記ポルトランドセメントの混合物であり、
前記重油灰自己充填コンクリートは、それ自体の重みで流動することが可能であり、
前記重油灰微粒子の量は、重量で、前記ポルトランドセメントの重量の3〜10%に等しい、重油灰自己充填コンクリート。 - 前記重油灰自己充填コンクリートは、高流動化剤を含まない、請求項1に記載の重油灰自己充填コンクリート。
- 重油灰微粒子の量は、重量で、前記ポルトランドセメントの前記重量の5%に等しく、且つ水、ポルトランドセメント、重油灰微粒子の比率は、8部の水、19部のポルトランドセメント、及び1部の重油灰微粒子である、請求項1または2に記載の重油灰自己充填コンクリート。
- 前記ポルトランドセメントは、前記水と反応した後、水酸化カルシウムを放出し、前記水酸化カルシウムと前記重油灰微粒子との間に反応がないことをさらに含む、請求項1〜3のいずれかに記載の重油灰自己充填コンクリート。
- 前記重油灰自己充填コンクリートは、均質混合物を含み、流動中、均質なままであるように動作可能である、請求項1〜4のいずれかに記載の重油灰自己充填コンクリート。
- 前記重油灰自己充填コンクリートは、少なくとも650mmのスランプフロー直径を有するように動作可能である、請求項1〜5のいずれかに記載の重油灰自己充填コンクリート。
- 28日間の硬化時間後、前記吸水率は、4.50%〜4.60%の間である、請求項1〜6のいずれかに記載の重油灰自己充填コンクリート。
- 重油灰処理の方法であって、
セメント混合物を形成するために、ポルトランドセメントおよび水を混合するステップと、
前記セメント混合物に重油灰微粒子を添加するステップであって、前記重油灰微粒子は、少なくとも90%の炭素を含み、前記重油灰微粒子の少なくとも80%は、45マイクロメートル(#325ふるい)よりも微細であり、前記重油灰微粒子はセメント質特性又はポゾラン質特性を有さず、且つ石灰と反応しない、ステップと、
それ自体の重みで流動することが可能な重油灰自己充填コンクリートを作成するために、ポゾラン質骨材を添加するステップと、
を含み、
前記重油灰微粒子は、重量で、前記重油灰自己充填コンクリートの1%〜10%に等しい、方法。 - 前記ポルトランドセメントは、前記水と反応した後、水酸化カルシウムを放出し、前記水酸化カルシウムと前記重油灰との間に反応がないことをさらに含む、請求項8に記載の方法。
- 硬化した自己充填コンクリートを生成するために、前記重油灰自己充填コンクリートが混合された後、硬化するステップをさらに含み、前記重油灰微粒子は、水の前記硬化した自己充填コンクリートへの浸入を防止する、請求項8〜9のいずれかに記載の方法。
- 前記重油灰自己充填コンクリートをコーンに注入するステップと、次いで、前記コーンを除去するステップとをさらに含み、前記重油灰自己充填コンクリートは、650〜800mmの直径を有する円に流入する、請求項8〜10のいずれかに記載の方法。
- 前記重油灰微粒子は、重量で、前記重油灰自己充填コンクリートの5%に等しい、請求項8に記載の方法。
- 重量で、5%の重油灰を含む前記自己充填コンクリートは、前記重油灰自己充填コンクリート中の鋼の腐食電位密度を減少させる、請求項12に記載の方法。
- 前記重油灰自己充填コンクリート中の鋼の前記腐食電位密度の値は、−170mV〜−230mVの間である、請求項13に記載の方法。
- 重量で、5%の重油灰微粒子を含む前記セメント混合物は、前記重油灰自己充填コンクリート中の鋼の前記腐食電位密度を減少させる、請求項12に記載の方法。
- 前記重油灰自己充填コンクリート4.50%〜4.60%の間の吸水率によって特徴づけられる、請求項8に記載の方法。
- 前記重油灰自己充填コンクリートは、実質的にフライアッシュ又はシリカヒュームを使用しない、請求項8に記載の方法。
- 前記重油灰微粒子は、水酸化カルシウム又は石灰と反応しない、請求項8に記載の方法。
- 前記重油灰微粒子は、10重量%未満の硫黄、マグネシウム、及びバナジウムを含む、請求項8に記載の方法。
- 第一の骨材の添加に続いて、前記セメント混合物に第二の骨材を添加するステップをさらに含む、請求項8に記載の方法。
- 重油灰自己充填コンクリートであって、
ポルトランドセメントと、
重油灰微粒子であって、前記重油灰微粒子は、前記ポルトランドセメントの重量の3〜10重量%に等しい量で存在し、少なくとも90%の炭素を含み、前記重油灰微粒子の少なくとも80%は、45マイクロメートル(#325ふるい)よりも微細であり、前記重油灰微粒子はセメント質特性又はポゾラン質特性を有さず、且つ石灰と反応しない、重油灰微粒子と、
高流動化剤がないことと、
水と、を主成分とし、
前記重油灰自己充填コンクリートは、前記重油灰微粒子の存在下での前記水および前記ポルトランドセメントの混合物であり、
前記重油灰自己充填コンクリートは、それ自体の重みで流動することが可能である、重油灰自己充填コンクリート。 - 重油灰微粒子の重量による量は、前記ポルトランドセメントの重量の5%に等しい、請求項21に記載の重油灰自己充填コンクリート。
- 前記ポルトランドセメントは、前記水と反応した後、水酸化カルシウムを放出し、前記水酸化カルシウムと前記重油灰微粒子との間に反応がないことをさらに含む、請求項21〜22のいずれかに記載の重油灰自己充填コンクリート。
- 前記重油灰自己充填コンクリートは、均質混合物を含み、流動中、均質なままであるように動作可能である、請求項21〜23のいずれかに記載の重油灰自己充填コンクリート。
- 前記骨材は、細骨材、粗骨材、またはこれらの組み合わせから選択される、請求項1に記載の重油灰自己充填コンクリート。
- 前記骨材は、砂、砂利、砕石、及びスラグから成る群から選択される、請求項1に記載の重油灰自己充填コンクリート。
- フライアッシュをさらに含む、請求項1に記載の重油灰自己充填コンクリート。
- 前記重油灰微粒子は、前記重油灰微粒子の1.5重量%未満のマグネシウム、ケイ素、およびバナジウムの化合された元素組成を有する、請求項1に記載の重油灰自己充填コンクリート。
- 前記重油灰自己充填コンクリートは、650mmより大きいスランプフロー直径を有するように動作可能である、請求項1に記載の重油灰自己充填コンクリート。
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US201161558279P | 2011-11-10 | 2011-11-10 | |
US61/558,279 | 2011-11-10 | ||
PCT/US2012/063518 WO2013070538A1 (en) | 2011-11-10 | 2012-11-05 | Utilization of heavy oil ash to produce self-consolidated concrete |
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WO2013066942A1 (en) * | 2011-10-31 | 2013-05-10 | Saudi Arabian Oil Company | Utilization of heavy oil ash to produce high quality concrete |
US10308553B2 (en) | 2016-03-30 | 2019-06-04 | King Fahd University Of Petroleum And Minerals | Structural lightweight concrete with superior thermal insulation |
US9796624B1 (en) | 2017-01-31 | 2017-10-24 | Saudi Arabian Oil Company | Foam concrete with oil ash |
CN106810166A (zh) * | 2017-02-20 | 2017-06-09 | 内蒙古科技大学 | 一种抗二氧化硫腐蚀的粉煤灰混凝土 |
US11414350B2 (en) | 2019-01-25 | 2022-08-16 | King Fahd University Of Petroleum And Minerals | Cement composition containing an oil ash set retarder |
WO2020185818A1 (en) * | 2019-03-11 | 2020-09-17 | Saudi Arabian Oil Company | Utilization of heavy oil fly ash to produce controlled low strength material for backfilling applications |
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US3239472A (en) | 1959-01-15 | 1966-03-08 | Phoenix Gems Inc | Synthetic stone bodies with controlled properties |
US3127455A (en) | 1960-05-31 | 1964-03-31 | Oil Shale Corp | Method for making cement |
JPS54101829A (en) * | 1978-01-27 | 1979-08-10 | Mitsubishi Mining & Cement Co | Utilization of heavy oil ash |
US4240952A (en) | 1979-01-15 | 1980-12-23 | Clarence E. Hulbert, Jr. | Method of making concrete from fly ash |
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DE4208977C1 (ja) | 1992-03-20 | 1993-07-15 | Metallgesellschaft Ag, 6000 Frankfurt, De | |
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MY141254A (en) | 2003-01-24 | 2010-03-31 | Handy Chemicals Ltd | Sacrificial agents for fly ash concrete |
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GB2401104B (en) | 2003-04-29 | 2007-08-29 | Gary Hunt | Cementitious material |
US7462310B2 (en) | 2003-12-11 | 2008-12-09 | Ohonokaihatsu Co., Ltd. | Porous landscape pebble and method of manufacturing the same |
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WO2007100120A1 (ja) * | 2006-03-02 | 2007-09-07 | Taiheiyo Cement Corporation | 可燃性ガスが揮発する物質の取扱方法、固体燃料の製造方法、固体燃料の貯留方法、固体燃料の使用方法、および固体燃料の使用装置 |
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US8062413B1 (en) * | 2010-11-01 | 2011-11-22 | Saudi Arabian Oil Company | Utilization of heavy oil fly ash to improve asphalt binder and asphalt concrete performance |
WO2013066942A1 (en) * | 2011-10-31 | 2013-05-10 | Saudi Arabian Oil Company | Utilization of heavy oil ash to produce high quality concrete |
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