KR20020035180A - 시멘트계 급결 첨가제 - Google Patents
시멘트계 급결 첨가제 Download PDFInfo
- Publication number
- KR20020035180A KR20020035180A KR1020000065336A KR20000065336A KR20020035180A KR 20020035180 A KR20020035180 A KR 20020035180A KR 1020000065336 A KR1020000065336 A KR 1020000065336A KR 20000065336 A KR20000065336 A KR 20000065336A KR 20020035180 A KR20020035180 A KR 20020035180A
- Authority
- KR
- South Korea
- Prior art keywords
- cement
- rapid hardening
- weight
- shotcrete
- strength
- Prior art date
Links
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
- 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
- C04B22/064—Oxides, Hydroxides of the alkali or alkaline-earth metals of the 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
- C04B22/00—Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators, shrinkage compensating agents
- C04B22/08—Acids or salts thereof
- C04B22/10—Acids or salts thereof containing carbon in the anion
-
- 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
- C04B28/06—Aluminous cements
-
- 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
- C04B18/146—Silica fume
-
- 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
- C04B2103/10—Accelerators; Activators
-
- 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
- C04B2111/00155—Sprayable, i.e. concrete-like, materials able to be shaped by spraying instead of by casting, e.g. gunite
-
- 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
- C04B7/00—Hydraulic cements
- C04B7/32—Aluminous cements
-
- 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
Landscapes
- 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)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
Description
초속경시멘트 | 시멘트계 급결제 | 실리카퓸 | 초 결(분:초) | 종 결(분:초) | 10분압축강도(kgf/cm2) | 7일압축강도(kgf/cm2) | 리바운드율(중량%) | |
실시예 1 | 65 | 30 | 5 | 01:00 | 02:10 | 25 | 250 | 13 |
실시예 2 | 60 | 35 | 5 | 00:45 | 01:30 | 24 | 280 | 12 |
실시예 3 | 55 | 37 | 8 | 01:20 | 01:25 | 30 | 310 | 10 |
실시예 4 | 55 | 40 | 5 | 00:45 | 01:05 | 28 | 300 | 8 |
비교예 1 | 일본 Denka 사 | 02:00 | 04:10 | 5 | 150 | 20 | ||
비교예 2 | 0 | 90 | 10 | 3 | 25 |
Claims (1)
- 본 발명은 50.0 - 85.0 중량%의 CA계 초속경 시멘트, 주성분으로 비정질 CA계 광물 5.0 - 20.0 중량%를 함유하고, 알카리 금속 탄산염, 소석회, 알루민산 소다, 무수석고를 함유하는 시멘트계 급결제 30 - 50 중량% 및 실리카퓸이 1.0 - 8.0 중량%로 구성되는 급결 첨가제
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR20000065336A KR100656744B1 (ko) | 2000-11-04 | 2000-11-04 | 시멘트계 급결 첨가제 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR20000065336A KR100656744B1 (ko) | 2000-11-04 | 2000-11-04 | 시멘트계 급결 첨가제 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20020035180A true KR20020035180A (ko) | 2002-05-10 |
KR100656744B1 KR100656744B1 (ko) | 2006-12-12 |
Family
ID=19697229
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR20000065336A KR100656744B1 (ko) | 2000-11-04 | 2000-11-04 | 시멘트계 급결 첨가제 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100656744B1 (ko) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100504987B1 (ko) * | 2002-08-09 | 2005-08-01 | 강태호 | 토양 강화 개선재 |
KR100807400B1 (ko) * | 2006-12-22 | 2008-02-28 | 태성건설 주식회사 | 지반 그라우트용 무기계 급결재 및 그 제조방법 |
KR101280589B1 (ko) * | 2011-04-28 | 2013-07-02 | 유진기업 주식회사 | 산업부산물을 이용한 친환경 비염화물계 액상 제설제 조성물 및 그 제조방법 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101074258B1 (ko) | 2011-07-05 | 2011-10-17 | 주식회사 유니온 | 수냉법으로 제조한 비정질 칼슘알루미네이트 광물을 이용한 시멘트 광물계 급결제 및 그 제조방법 |
EP3862335A1 (en) * | 2020-02-07 | 2021-08-11 | Holcim Technology Ltd | Activator for a slag cement based shotcrete |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR960006223B1 (ko) * | 1993-10-13 | 1996-05-11 | 쌍용양회공업주식회사 | 숏크리트용 급결제의 제조방법 |
JP3205672B2 (ja) * | 1994-09-19 | 2001-09-04 | 太平洋セメント株式会社 | 高水和活性物質、セメント用急結材及びコンクリートまたはモルタルの凝結、硬化を促進する方法 |
JPH10218646A (ja) * | 1997-02-04 | 1998-08-18 | Chichibu Onoda Cement Corp | 急結材 |
JP3979696B2 (ja) * | 1997-03-27 | 2007-09-19 | 電気化学工業株式会社 | 急結性吹付セメントコンクリート |
JP4651134B2 (ja) * | 1998-07-29 | 2011-03-16 | 太平洋セメント株式会社 | 高流動吹付けコンクリ−ト用急結剤 |
JP4244080B2 (ja) * | 1998-10-07 | 2009-03-25 | 電気化学工業株式会社 | 急結性吹付セメントコンクリート及びそれを用いた吹付工法 |
KR100464184B1 (ko) * | 2000-09-08 | 2004-12-31 | 삼성물산 주식회사 | 숏크리트용 시멘트 광물계 급결제 및 그 제조방법 |
-
2000
- 2000-11-04 KR KR20000065336A patent/KR100656744B1/ko active IP Right Grant
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100504987B1 (ko) * | 2002-08-09 | 2005-08-01 | 강태호 | 토양 강화 개선재 |
KR100807400B1 (ko) * | 2006-12-22 | 2008-02-28 | 태성건설 주식회사 | 지반 그라우트용 무기계 급결재 및 그 제조방법 |
KR101280589B1 (ko) * | 2011-04-28 | 2013-07-02 | 유진기업 주식회사 | 산업부산물을 이용한 친환경 비염화물계 액상 제설제 조성물 및 그 제조방법 |
Also Published As
Publication number | Publication date |
---|---|
KR100656744B1 (ko) | 2006-12-12 |
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