KR20080111645A - 동절기 플라이애쉬의 혼화율을 증대시키기 위한 촉진형혼화제 조성물 - Google Patents
동절기 플라이애쉬의 혼화율을 증대시키기 위한 촉진형혼화제 조성물 Download PDFInfo
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- KR20080111645A KR20080111645A KR20070059850A KR20070059850A KR20080111645A KR 20080111645 A KR20080111645 A KR 20080111645A KR 20070059850 A KR20070059850 A KR 20070059850A KR 20070059850 A KR20070059850 A KR 20070059850A KR 20080111645 A KR20080111645 A KR 20080111645A
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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
-
- 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
- C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
- C04B24/04—Carboxylic acids; Salts, anhydrides or esters thereof
-
- 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
- C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
- C04B24/12—Nitrogen containing compounds organic derivatives of hydrazine
-
- 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
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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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
Description
공기량 (%) | 슬럼프 (㎝) | S/A (%) | W/B (%) | 단위 중량 (㎏/㎥) | Ad. (C×%) | AE제 (Ad×%) | ||||
W | C | FA | S | G | ||||||
4.5±1.5 | 17.5±0.5 | 49 | 45 | 157.5 | 262.5 | 87.5 (25%) | 868 | 917 | 0.7 | 1.5 |
실시예 번호 | PCA | 트리에탄올아민 | 티오시안산나트륨 | 글리신 | 물 |
1-1 | 25 | - | - | - | 75 |
1-2 | 25 | 1 | 5 | 5 | 64 |
1-3 | 25 | 3 | 5 | 5 | 62 |
1-4 | 25 | 5 | 5 | 5 | 60 |
1-5 | 25 | 3 | 2 | 5 | 65 |
1-6 | 25 | 3 | 7 | 5 | 60 |
1-7 | 25 | 3 | 5 | 2 | 65 |
1-8 | 25 | 3 | 5 | 7 | 60 |
1-9 | 15 | 3 | 5 | 5 | 72 |
1-10 | 40 | 3 | 5 | 5 | 47 |
실시예 번호 | 압 축 강 도 (㎫) | |||
2일 | 3일 | 7일 | 28일 | |
1-1 | 1.5 | 3.8 | 14.9 | 26.0 |
1-2 | 4.2 | 6.2 | 15.2 | 25.9 |
1-3 | 5.8 | 7.4 | 15.8 | 26.7 |
1-4 | 5.7 | 7.5 | 15.7 | 26.3 |
1-5 | 5.2 | 7.3 | 15.9 | 26.2 |
1-6 | 5.5 | 7.2 | 15.3 | 26.0 |
1-7 | 4.5 | 6.8 | 15.3 | 26.5 |
1-8 | 5.2 | 7.1 | 15,5 | 26.1 |
1-9 | 5.9 | 7.4 | 15.6 | 25.9 |
1-10 | 5.6 | 7.0 | 15.2 | 25.5 |
실시예 번호 | PCA | 질 산 염 | 트리에탄올 아민 | 티오시안산 나트륨 | 글리신 | 물 | |
Ca(NO3)2 | Ca(NO2)2 | ||||||
1-3 | 25 | - | - | 3 | 5 | 5 | 62 |
2-1 | 25 | 10 | - | 3 | 5 | 5 | 52 |
2-2 | 25 | 20 | - | 3 | 5 | 5 | 42 |
2-3 | 25 | - | 20 | 3 | 5 | 5 | 42 |
2-4 | 25 | 30 | - | 3 | 5 | 5 | 32 |
2-5 | 25 | 15 | 15 | 3 | 5 | 5 | 32 |
실시예 번호 | 압 축 강 도 (㎫) | |||
2일 | 3일 | 7일 | 28일 | |
1-3 | 5.8 | 7.4 | 15.8 | 26.7 |
2-1 | 6.0 | 7.3 | 15.5 | 25.9 |
2-2 | 6.1 | 7.0 | 15.7 | 26.0 |
2-3 | 6.1 | 7.0 | 15.8 | 26.3 |
2-4 | 6.1 | 7.1 | 15.5 | 26.1 |
2-5 | 6.2 | 7.5 | 15.7 | 26.5 |
실시예 번호 | Ad. 사용량 (시멘트×%) | 슬럼프(㎝) | 압축강도(0℃, 2일) (㎫) |
1-3 | 0.7 | 17.5 | 5.8 |
3-1 | 0.5 | 16 | 5.4 |
3-2 | 1.0 | 19 | 6.0 |
3-3 | 1.2 | 19.5 | 6.1 |
공기량 (%) | 슬럼프 (㎝) | S/a (%) | W/B (%) | 단위 중량(㎏/㎥) | Ad. (C×%) | AE제 (Ad×%) | |||||
W | C | FA | S | G | |||||||
실시예1-3 | 4.5±1.5 | 17.5±0.5 | 49 | 45 | 157.5 | 262.5 | 87.5 | 868 | 917 | 0.7 | 1.5 |
비교예1 | 4.5±1.5 | 17.5±0.5 | 49 | 45 | 157.5 | 262.5 | 87.5 | 868 | 917 | 0.9 | 1.5 |
비교예 2 | 4.5±1.5 | 17.5±0.5 | 49 | 45 | 157.5 | 262.5 | 87.5 | 868 | 917 | 0.9 | 1.5 |
압 축 강 도 (㎫) | ||||
2일 | 3일 | 7일 | 28일 | |
실시예 1-3 | 5.8 | 7.4 | 15.8 | 26.7 |
비교예 1 | 1.5 | 2.8 | 10.8 | 22.4 |
비교예 2 | 2.4 | 3.8 | 11.4 | 23.5 |
Claims (5)
- 폴리카르복실산염 15 내지 40 중량%, 트리에탄올아민 1 내지 5 중량%, 티오시안산나트륨 2 내지 7 중량%, 글리신 2 내지 7 중량% 및 나머지량의 물로 이루어지는 동절기용 콘크리트에 사용하여 플라이애쉬의 혼화율을 증대시키기 위한 촉진형 혼화제 조성물.
- 폴리카르복실산염 15 내지 40 중량%, 트리에탄올아민 1 내지 5 중량%, 티오시안산나트륨 2 내지 7 중량%, 글리신 2 내지 7 중량%, 질산염 10 내지 30 중량% 및 나머지량의 물로 이루어지는 동절기용 콘크리트에 사용하여 플라이애쉬의 혼화율을 증대시키기 위한 촉진형 혼화제 조성물.
- 제 1 항 또는 제 2 항에 있어서,상기 폴리카르복실산염은 폴리에틸렌글리콜메틸에스테르메타크릴산염인 것을 특징으로 하는 동절기용 콘크리트에 사용하여 플라이애쉬의 혼화율을 증대시키기 위한 촉진형 혼화제 조성물.
- 제 2 항에 있어서,상기 질산염은 질산칼슘, 아질산칼슘, 질산나트륨, 아질산나트륨으로 이루어지는 군으로부터 선택된 어느 하나인 동절기용 콘크리트에 사용하여 플라이애쉬의 혼화율을 증대시키기 위한 촉진형 혼화제 조성물.
- 시멘트 중량을 기준으로 0.5 내지 1.2중량%의 제 1 항 또는 제 2 항에 따른 동절기용 콘크리트에 사용하여 플라이애쉬의 혼화율을 증대시키기 위한 촉진형 혼화제 조성물을 포함하는 동절기용 플라이애쉬 혼입 콘크리트.
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KR20070059850A KR100888243B1 (ko) | 2007-06-19 | 2007-06-19 | 동절기 플라이애쉬의 혼화율을 증대시키기 위한 촉진형혼화제 조성물 |
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KR20070059850A KR100888243B1 (ko) | 2007-06-19 | 2007-06-19 | 동절기 플라이애쉬의 혼화율을 증대시키기 위한 촉진형혼화제 조성물 |
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KR20080111645A true KR20080111645A (ko) | 2008-12-24 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2013066192A1 (en) | 2011-11-04 | 2013-05-10 | Mapei As | Hardening-accelerator and a method for accelerating the hardening of hydraulic binders and mixtures thereof |
US20160176758A1 (en) * | 2013-07-12 | 2016-06-23 | Sika Technology Ag | Adjuvant combination of a milling assistant and a concrete admixture for accelerated hydration of cementitious binders |
CN108018779A (zh) * | 2017-11-30 | 2018-05-11 | 苏交科集团股份有限公司 | 一种低温大温差环境下混凝土施工方法 |
Families Citing this family (3)
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KR101612907B1 (ko) * | 2014-06-09 | 2016-04-19 | 재단법인 포항산업과학연구원 | 고로슬래그를 포함하는 phc 파일용 혼화제 및 상기 혼화제를 포함하는 phc 파일용 콘크리트 조성물 |
KR102169776B1 (ko) * | 2019-08-12 | 2020-10-26 | 정재윤 | 내동해성이 향상된 콘크리트 배합 조성물 |
KR102116817B1 (ko) | 2019-12-19 | 2020-05-29 | (유)코리아 | 유해성분을 난용성 화합물로 착염화시키는 혼화제 및 이를 이용한 콘크리트 레미콘 |
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JP2937412B2 (ja) * | 1990-05-11 | 1999-08-23 | 尚光 露木 | セメント用中性化抑制剤 |
WO1997019032A1 (en) * | 1995-11-17 | 1997-05-29 | W. R. Grace & Co.-Conn. | Multipurpose admixture for hydraulic cement composition |
JP3813029B2 (ja) | 1999-01-28 | 2006-08-23 | 電気化学工業株式会社 | セメント組成物、それを用いたセメント硬化体 |
JP2006182614A (ja) | 2004-12-28 | 2006-07-13 | Taiheiyo Material Kk | セメント用減水剤及び水硬性組成物 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013066192A1 (en) | 2011-11-04 | 2013-05-10 | Mapei As | Hardening-accelerator and a method for accelerating the hardening of hydraulic binders and mixtures thereof |
US20160176758A1 (en) * | 2013-07-12 | 2016-06-23 | Sika Technology Ag | Adjuvant combination of a milling assistant and a concrete admixture for accelerated hydration of cementitious binders |
US10752546B2 (en) * | 2013-07-12 | 2020-08-25 | Sika Technology Ag | Adjuvant combination of a milling assistant and a concrete admixture for accelerated hydration of cementitious binders |
CN108018779A (zh) * | 2017-11-30 | 2018-05-11 | 苏交科集团股份有限公司 | 一种低温大温差环境下混凝土施工方法 |
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