KR940011391A - Fire Separation Cement Composition for Underwater Construction and Manufacturing Method of Activated Slag Fine Powder - Google Patents

Fire Separation Cement Composition for Underwater Construction and Manufacturing Method of Activated Slag Fine Powder Download PDF

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Publication number
KR940011391A
KR940011391A KR1019920021274A KR920021274A KR940011391A KR 940011391 A KR940011391 A KR 940011391A KR 1019920021274 A KR1019920021274 A KR 1019920021274A KR 920021274 A KR920021274 A KR 920021274A KR 940011391 A KR940011391 A KR 940011391A
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South Korea
Prior art keywords
weight
parts
fine powder
cement
activated slag
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KR1019920021274A
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Korean (ko)
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KR950008587B1 (en
Inventor
신규연
엄태형
신도철
Original Assignee
우덕창
쌍용양회공업 주식회사
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Priority to KR1019920021274A priority Critical patent/KR950008587B1/en
Publication of KR940011391A publication Critical patent/KR940011391A/en
Priority to KR1019950015485A priority patent/KR950010000B1/en
Application granted granted Critical
Publication of KR950008587B1 publication Critical patent/KR950008587B1/en

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Classifications

    • 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
    • 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
    • C04B18/14—Waste materials; Refuse from metallurgical processes
    • C04B18/141—Slags
    • C04B18/142—Steelmaking slags, converter slags
    • 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
    • C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
    • C04B20/02—Treatment
    • C04B20/026—Comminuting, e.g. by grinding or breaking; Defibrillating fibres other than asbestos
    • 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
    • C04B22/00—Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators, shrinkage compensating agents
    • C04B22/06—Oxides, Hydroxides
    • C04B22/062—Oxides, Hydroxides of the alkali or alkaline-earth metals
    • 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
    • C04B28/14—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 calcium sulfate cements
    • C04B28/16—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 calcium sulfate cements containing anhydrite, e.g. Keene's cement
    • 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
    • C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
    • C04B2103/30—Water reducers, plasticisers, air-entrainers, flow improvers
    • 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
    • C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
    • C04B2103/44—Thickening, gelling or viscosity increasing agents
    • 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
    • C04B2111/74—Underwater applications
    • 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
    • C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/10—Mortars, concrete or artificial stone characterised by specific physical values for the viscosity
    • 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)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Environmental & Geological Engineering (AREA)
  • Civil Engineering (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)

Abstract

본 발명은 시멘트 100중량붕 대하여 분말도가 4,000내지 5,000㎠/g인 활성화 슬래그 미분말 25내지 67중량부와, 상기 시멘트와 활성화 슬래그 미분말의 혼합물 100중량부에 대해 비이온성 셀룰로스-에테르계 중점제 0.4내지 1.5중량부와, 멜라민술폰산게나 트리아신계 화합물중에서 적어도 1종을 주성분으로 하는 고유동화제 0.5내지 3.0중량부와, 셀룰로스-에테르계 중점제 100중량에 대해 소포제 8내지 20중량부가 혼합된 수중 공사용 불분리 시멘트 조성물이며, 상기 슬래그 미분말은 물 100중량부에 수산화나트륨 4내지 10중량부, Ⅲ형 무수석고 3내지 7중량부를 혼합, 용해한 수용액을 분쇄전의 입상의 고로슬래그 100중량부에 대하여 30내지 40중량부를 혼합하고 교반, 숙성, 건조 및 분쇄시켜서 제조한다.The present invention relates to 25 to 67 parts by weight of activated slag fine powder having a powder content of 4,000 to 5,000 cm 2 / g and 100 parts by weight of a mixture of cement and activated slag fine powder with respect to 100 parts by weight of cement. For underwater construction, a mixture of 1.5 to 1.5 parts by weight, 0.5 to 3.0 parts by weight of a high-melting agent mainly composed of at least one of melamine sulfonic acid geena triacin compounds, and 8 to 20 parts by weight of an antifoaming agent based on 100 parts by weight of a cellulose-ether-based thickener It is an unseparated cement composition, and the fine slag powder is mixed with 100 parts by weight of water to 4 to 10 parts by weight of sodium hydroxide and 3 to 7 parts by weight of Ⅲ anhydrous gypsum and 30 to 30 parts by weight of granular blast furnace slag before grinding. 40 parts by weight are mixed, stirred, aged, dried and ground to prepare.

본 발명에 따른 조성물은 초기 및 후기에서의 강도발현 특성과 작업성 및 내해수성이 우수하고, 수화열의 저감을 기대할 수 있어 수중 시멘트 콘크리트 구조물을 제작하는데 적합하다.The composition according to the present invention is excellent in strength expression characteristics and workability and seawater resistance in the early and late, and can be expected to reduce the heat of hydration is suitable for manufacturing underwater cement concrete structures.

Description

수중 공사용 불분리 시멘트조성물과 이에 사용되는 활성화 슬래그 미분말의 제조방법Fire Separation Cement Composition for Underwater Construction and Manufacturing Method of Activated Slag Fine Powder

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제1(a)도는 시멘트를 단독으로 하여 수화시킨 페이스트 경화체를 주사 현미경으로 촬영한 사진(배율 3,000배)이고,1 (a) is a photograph (magnification 3,000 times) of the paste cured product hydrated by using cement alone under a scanning microscope,

제1(b)도는 본 발명에 따른 활성화 슬래그 미분말을 시멘트에 첨가하여 수화시킨 페이스트 경화체를 주사현미경으로 촬영한 사진(배율 3,000배)이며,Figure 1 (b) is a photograph taken by scanning microscope of the paste cured body hydrated by adding the activated slag fine powder according to the present invention in cement,

제2도는 제1도의 경화체에 대한 수은 압입법에 의한 기공율 측정 그래프이다.2 is a porosity measurement graph by the mercury intrusion method for the cured product of FIG.

Claims (4)

시멘트 100중량부에 대하여 활성화 슬래그 미분말 25내지 67중량부와, 상기 시멘트와 활성화 슬래그 미분말의 혼합물 100중량부에 대해 비이온성 셀룰로스-에테르계 중점제 0.4내지 1.5중량부와, 멜라민술폰산계나 트리아신계 화합물중에서 적어도 1종을 주성분으로 하는 고유동화제 0.5내지 3.0중량부와, 셀룰로스-에테르계 중점 제 100중량부에 대해 소포제 8내지 20중량부가 혼합된 것을 특징으로 하는 수중 공사용 불분리 시멘트 조성물.25 to 67 parts by weight of the activated slag fine powder with respect to 100 parts by weight of cement, 0.4 to 1.5 parts by weight of the nonionic cellulose-ether-based thickener based on 100 parts by weight of the mixture of the cement and the activated slag fine powder, and a melamine sulfonic acid-based compound An oil-free cement composition for underwater construction comprising 0.5 to 3.0 parts by weight of a high fluidizing agent mainly composed of at least one, and 8 to 20 parts by weight of an antifoaming agent with respect to 100 parts by weight of the cellulose-ether-based middle weight. 제1항에 있어서, 상기 활성화 슬래그 미분말은 분말도가 4,000내지 5, 000㎝/g이며, 상기 비이온성 셀룰로스-에테르계 중점제의 점도는 20℃수용액 2%용액에서 8,000내지 50,000cps인 것을 사용함을 특징으로 하는 조성물.The method of claim 1, wherein the activated slag fine powder has a powder level of 4,000 to 5,000 cm / g, the viscosity of the nonionic cellulose-ether-based medium is 8,000 to 50,000 cps in a 20% aqueous solution 2% solution Composition characterized in that. 물 100중량부에 수산하나트륨 4내지 10중량부, Ⅲ형 무수석고 3내지 7중량부를 혼합, 용해한 수용액을 분쇄전의 입상의 고로슬래그 100중량부에 대하여 30내지 40중량부를 혼합하고 교반, 숙성, 건조 및 분쇄시켜서 되는 것을 특징으로 하는 제1항의 활성화 슬래그 미분말의 제조방법.4 to 10 parts by weight of sodium hydroxide, 3 to 7 parts by weight of Ⅲ anhydrite, and 30 to 40 parts by weight of 100 parts by weight of granular blast furnace slag before crushing were mixed with 100 parts by weight of water, and stirred, aged, A method for producing the activated slag fine powder according to claim 1, which is dried and pulverized. 제3항에 있어서, 상기 활성화 슬래그 미분말의 분말도는 4,000내지 5,000㎠/g이 되게 분쇄하여서 되는 방법.The method of claim 3, wherein the fine powder of the activated slag is pulverized to 4,000 to 5,000 cm 2 / g. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019920021274A 1992-11-13 1992-11-13 Composition of cement KR950008587B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1019920021274A KR950008587B1 (en) 1992-11-13 1992-11-13 Composition of cement
KR1019950015485A KR950010000B1 (en) 1992-11-13 1995-06-13 Method for preparing actirated slag powder for nonseparable cement composition used for making underwater concrete

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019920021274A KR950008587B1 (en) 1992-11-13 1992-11-13 Composition of cement

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KR1019950015485A Division KR950010000B1 (en) 1992-11-13 1995-06-13 Method for preparing actirated slag powder for nonseparable cement composition used for making underwater concrete

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KR940011391A true KR940011391A (en) 1994-06-21
KR950008587B1 KR950008587B1 (en) 1995-08-03

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KR1019950015485A KR950010000B1 (en) 1992-11-13 1995-06-13 Method for preparing actirated slag powder for nonseparable cement composition used for making underwater concrete

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100406218B1 (en) * 2001-02-21 2003-11-17 아세아시멘트주식회사 cement blend compound furtherance to do the chief ingredient for slag powder
KR20040014718A (en) * 2002-08-10 2004-02-18 한국토지공사 Composition of inorganic surface treament material for concrete surface protection
KR100694267B1 (en) * 2003-12-24 2007-03-14 재단법인 포항산업과학연구원 A marine concrete with steel-making slag aggregate
CN112028537A (en) * 2020-08-19 2020-12-04 浙江五龙新材股份有限公司 Modified additive suitable for machine-made sand tubular pile concrete

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100711757B1 (en) * 2000-12-22 2007-04-25 재단법인 포항산업과학연구원 Activated slag for treating wastewater and wastewater treating method using same
KR20020050990A (en) * 2000-12-22 2002-06-28 신현준 Method for preparing slag board
KR101392270B1 (en) * 2012-03-22 2014-05-12 영진글로벌(주) Furnace slag powder, Method for manufacturing furnace slag powder and Furnace slag cement composition using the same
KR102087719B1 (en) 2016-11-29 2020-03-12 주식회사 블루마운트테크놀러지 Defoamer powder composition comprising filler and hydrophobic organic material

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100406218B1 (en) * 2001-02-21 2003-11-17 아세아시멘트주식회사 cement blend compound furtherance to do the chief ingredient for slag powder
KR20040014718A (en) * 2002-08-10 2004-02-18 한국토지공사 Composition of inorganic surface treament material for concrete surface protection
KR100694267B1 (en) * 2003-12-24 2007-03-14 재단법인 포항산업과학연구원 A marine concrete with steel-making slag aggregate
CN112028537A (en) * 2020-08-19 2020-12-04 浙江五龙新材股份有限公司 Modified additive suitable for machine-made sand tubular pile concrete

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Publication number Publication date
KR950010000B1 (en) 2020-03-30
KR950008587B1 (en) 1995-08-03

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